Publications
Theses
Santos, R. L. T. (2013). Explicit web search result diversification [PhD thesis]. School of Computing Science, University of Glasgow.
@phdthesis{santos2013thesis,
author = {Rodrygo L. T. Santos},
title = {Explicit web search result diversification},
school = {School of Computing Science, University of Glasgow},
year = {2013},
address = {Glasgow, UK},
}
Santos, R. L. T. (2007). WhizKEY: Um ambiente para instalação de bibliotecas digitais [Master’s thesis]. Departamento de Ciência da Computação, Universidade Federal de Minas Gerais.
@mastersthesis{santos2007thesis,
author = {Rodrygo L. T. Santos},
title = {{WhizKEY}: {U}m ambiente para instalação de bibliotecas digitais},
school = {Departamento de Ciência da Computação, Universidade Federal de Minas Gerais},
year = {2007},
address = {Belo Horizonte, Brazil},
}Books
Santos, R. L. T., Macdonald, C., & Ounis, I. (2015). Search result diversification. Now Publishers.
[doi]
@book{santos2015book,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Search result diversification},
year = {2015},
isbn = {978-1-68083-000-2},
eisbn = {978-1-68083-001-9},
publisher = {Now Publishers},
doi = {10.1561/9781680830019},
}
Santos, R. L. T., Macdonald, C., McCreadie, R., Ounis, I., & Soboroff, I. (2012). Information retrieval on the blogosphere. Now Publishers.
[doi]
@book{santos2012book,
author = {Rodrygo L. T. Santos and Craig Macdonald and Richard McCreadie and Iadh Ounis and Ian Soboroff},
title = {Information retrieval on the blogosphere},
publisher = {Now Publishers},
year = {2012},
isbn = {978-1-60198-568-2},
eisbn = {978-1-60198-569-9},
doi = {10.1561/9781601985699},
}Journal articles
Trippas, J. R., Culpepper, J. S., Aliannejadi, M., Allan, J., Amigó, E., Arguello, J., Azzopardi, L., Bailey, P., Callan, J., Capra, R., Craswell, N., Croft, B., Dalton, J., Demartini, G., Dietz, L., Dou, Z., Eickhoff, C., Ekstrand, M., Ferro, N., … Zuccon, G. (2025). Report from the fourth strategic workshop on information retrieval in lorne (SWIRL 2025). SIGIR Forum, 59(1), 1–68.
@article{trippas2025sigirf,
author = {Johanne R. Trippas and J. Shane Culpepper and Mohammad Aliannejadi and James Allan and Enrique Amigó and Jaime Arguello and Leif Azzopardi and Peter Bailey and Jamie Callan and Rob Capra and Nick Craswell and Bruce Croft and Jeff Dalton and Gianluca Demartini and Laura Dietz and Zhicheng Dou and Carsten Eickhoff and Michael Ekstrand and Nicola Ferro and Norbert Fuhr and Dorota Glowacka and Faegheh Hasibi and Danula Hettiachchi and Rosie Jones and Jaap Kamps and Noriko Kando and Sarvnaz Karimi and Makoto P Kato and Bevan Koopman and Yiqun Liu and Chenglong Ma and Joel Mackenzie and Maria Maistro and Jiaxin Mao and Dana McKay and Bhaskar Mitra and Stefano Mizzaro and Alistair Moffat and Josiane Mothe and Iadh Ounis and Lida Rashidi and Yongli Ren and Mark Sanderson and Rodrygo L. T. Santos and Falk Scholer and Chirag Shah and Laurianne Sitbon and Ian Soboroff and Damiano Spina and Paul Thomas and Julián Urbano and Arjen de Vries and Ryen White and Abby Yuan and Hamed Zamani and Oleg Zendel and Min Zhang and Justin Zobel and Shengyao Zhuang and Guido Zuccon},
title = {Report from the Fourth Strategic Workshop on Information Retrieval in Lorne (SWIRL 2025)},
journal = {{SIGIR} Forum},
volume = {59},
number = {1},
pages = {1--68},
year = {2025},
}
França, C., Lima, R. C., Andrade, C., Cunha, W., de Melo, P. O. S. V., Ribeiro-Neto, B., Rocha, L., Santos, R. L. T., Pagano, A. S., & Gonçalves, M. A. (2024). On representation learning-based methods for effective, efficient, and scalable code retrieval. Neurocomputing, 600, 128172.
[doi]
@article{franca2024neurocomputing,
title = {On representation learning-based methods for effective, efficient, and scalable code retrieval},
journal = {Neurocomputing},
volume = {600},
pages = {128172},
year = {2024},
issn = {0925-2312},
doi = {10.1016/j.neucom.2024.128172},
author = {Celso França and Rennan C. Lima and Claudio Andrade and Washington Cunha and Pedro O.S. Vaz {de Melo} and Berthier Ribeiro-Neto and Leonardo Rocha and Rodrygo L.T. Santos and Adriana Silvina Pagano and Marcos André Gonçalves},
}
Hurley, N., Bellogín, A., Jeunen, O., Parra, D., Santos, R. L. T., & Tuzhilin, A. (2024). Theory of evaluation. Dagstuhl Reports, 14(5), 69–91.
[doi]
@article{hurley2024dagrep,
author = {Neil Hurley and Alejandro Bellogín and Olivier Jeunen and Denis Parra and Rodrygo L. T. Santos and Alexander Tuzhilin},
title = {Theory of Evaluation},
journal = {Dagstuhl Reports},
year = {2024},
volume = {14},
number = {5},
pages = {69--91},
editor = {Christine Bauer and Alan Said and Eva Zangerle},
publisher = {Schloss Dagstuhl},
address = {Dagstuhl, Germany},
doi = {10.4230/DagRep.14.5.58},
chapter = {Chapter 4},
}
Lopes, R., Alves, R., Ledent, A., Santos, R. L. T., & Kloft, M. (2024). Recommendations with minimum exposure guarantees: A post-processing framework. Expert Systems with Applications, 236, 121164.
[doi]
@article{lopes2024eswa,
title = {Recommendations with minimum exposure guarantees: A post-processing framework},
journal = {Expert Systems with Applications},
volume = {236},
pages = {121164},
year = {2024},
issn = {0957-4174},
doi = {10.1016/j.eswa.2023.121164},
author = {Ramon Lopes and Rodrigo Alves and Antoine Ledent and Rodrygo L.T. Santos and Marius Kloft},
}
Matos, B., Lima, R. C., Almeida, J. M., Gonçalves, M. A., & Santos, R. L. T. (2024). Intellectual Dark Web, alt-lite and alt-right: Are they really that different? A multi-perspective analysis of the textual content produced by contrarians. Social Network Analysis and Mining, 14(32).
[doi]
@article{matos2024snam,
title = {Intellectual {Dark Web}, Alt-lite and Alt-right: Are they really that different? A multi-perspective analysis of the textual content produced by contrarians},
journal = {Social Network Analysis and Mining},
volume = {14},
number = {32},
pages = {},
year = {2024},
issn = {},
doi = {10.1007/s13278-023-01187-5},
author = {Breno Matos and Rennan C. Lima and Jussara M. Almeida and Marcos André Gonçalves and Rodrygo L. T. Santos},
}
Pereira, B. L., Chaves, P. D. V., & Santos, R. L. T. (2023). Efficient exploration and exploitation for sequential music recommendation. ACM Transactions on Recommender Systems, 2(4).
[doi]
@article{pereira2023tors,
author = {Pereira, Bruno L. and Chaves, Pedro Dalla Vecchia and Santos, Rodrygo L. T.},
title = {Efficient exploration and exploitation for sequential music recommendation},
year = {2023},
publisher = {ACM},
address = {New York, NY, USA},
doi = {10.1145/3625827},
journal = {ACM Transactions on Recommender Systems},
volume = {2},
number = {4},
}
Lopes, R., Assunção, R., & Santos, R. L. T. (2020). Graph-based recommendation meets Bayes and similarity measures. ACM Transactions on Intelligent Systems and Technology, 11(1), 3:1–3:26.
[doi]
@article{lopes2020tist,
author = {Ramon Lopes and Renato Assunção and Rodrygo L. T. Santos},
title = {Graph-based recommendation meets {B}ayes and similarity measures},
journal = {ACM Transactions on Intelligent Systems and Technology},
volume = {11},
number = {1},
year = {2020},
issn = {2157-6904},
pages = {3:1--3:26},
publisher = {ACM},
doi = {10.1145/3356882},
}
McCreadie, R., Santos, R. L. T., Macdonald, C., & Ounis, I. (2018). Explicit diversification of event aspects for temporal summarization. ACM Transactions on Information Systems, 36(3), 25:1–25:31.
[doi]
@article{mccreadie2018tois,
author = {Richard McCreadie and Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Explicit diversification of event aspects for temporal summarization},
journal = {ACM Transactions on Information Systems},
volume = {36},
number = {3},
year = {2018},
issn = {1046-8188},
pages = {25:1--25:31},
publisher = {ACM},
doi = {10.1145/3158671},
}
Bessa, A., Santos, R. L. T., Veloso, A., & Ziviani, N. (2017). Exploiting item co-utility to improve collaborative filtering recommendations. Journal of the American Society for Information Science and Technology.
[doi]
@article{bessa2017jasist,
author = {Aline Bessa and Rodrygo L. T. Santos and Adriano Veloso and Nivio Ziviani},
title = {Exploiting item co-utility to improve collaborative filtering recommendations},
journal = {Journal of the American Society for Information Science and Technology},
number = {},
year = {2017},
pages = {},
issn = {2330-1643},
publisher = {Wiley-Blackwell},
doi = {10.1002/asi.23853},
}
Belém, F., Batista, C. S., Santos, R. L. T., Almeida, J. M., & Gonçalves, M. A. (2016). Beyond relevance: Explicitly promoting novelty and diversity in tag recommendation. ACM Transactions on Intelligent Systems and Technology, 7(3), 26:1–26:34.
[doi]
@article{belem2016tist,
author = {Fabiano Belém and Carolina S. Batista and Rodrygo L. T. Santos and Jussara M. Almeida and Marcos André Gonçalves},
title = {Beyond relevance: explicitly promoting novelty and diversity in tag recommendation},
journal = {ACM Transactions on Intelligent Systems and Technology},
volume = {7},
number = {3},
pages = {26:1--26:34},
year = {2016},
publisher = {ACM},
doi = {10.1145/2801130},
}
Lacerda, A., Santos, R. L. T., Veloso, A., & Ziviani, N. (2015). Improving daily deals recommendation using explore-then-exploit strategies. Information Retrieval, 18(2), 95–122.
[doi]
@article{lacerda2015irj,
author = {Anisio Lacerda and Rodrygo L. T. Santos and Adriano Veloso and Nivio Ziviani},
title = {Improving daily deals recommendation using explore-then-exploit strategies},
journal = {Information Retrieval},
volume = {18},
number = {2},
pages = {95--122},
year = {2015},
publisher = {Springer},
doi = {10.1007/s10791-014-9249-4},
}
Lima, H., Silva, T. H. P., Moro, M. M., Santos, R. L. T., Meira Jr., W., & Laender, A. H. F. (2015). Assessing the profile of top Brazilian computer science researchers. Scientometrics, 103(3), 879–896.
[doi]
@article{lima2015scientometrics,
year = {2015},
issn = {0138-9130},
journal = {Scientometrics},
doi = {10.1007/s11192-015-1569-7},
title = {Assessing the profile of top {Brazilian} computer science researchers},
publisher = {Springer},
author = {Lima, Harlley and Silva, Thiago H. P. and Moro, Mirella M. and Santos, Rodrygo L. T. and Meira Jr., Wagner and Laender, Alberto H. F.},
pages = {879--896},
volume = {103},
number = {3},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2015). Search result diversification. Foundations and Trends in Information Retrieval, 9(1), 1–90.
[doi]
@article{santos2015ftir,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Search result diversification},
journal = {Foundations and Trends in Information Retrieval},
volume = {9},
number = {1},
pages = {1--90},
year = {2015},
publisher = {Now Publishers},
doi = {10.1561/1500000040},
}
Brandão, W. C., Santos, R. L. T., Ziviani, N., Moura, E. S. de, & Silva, A. S. da. (2014). Learning to expand queries using entities. Journal of the American Society for Information Science and Technology, 65(9), 1870–1883.
[doi]
@article{brandao2014jasist,
author = {Wladmir C. Brandão and Rodrygo L. T. Santos and Nivio Ziviani and Edleno Silva de Moura and Altigran Soares da Silva},
title = {Learning to expand queries using entities},
journal = {Journal of the American Society for Information Science and Technology},
volume = {65},
number = {9},
year = {2014},
pages = {1870--1883},
issn = {2330-1643},
publisher = {Wiley-Blackwell},
doi = {10.1002/asi.23084},
}
Gil-Costa, V., Santos, R. L. T., Macdonald, C., & Ounis, I. (2013). Modelling efficient novelty-based search result diversification in metric spaces. Journal of Discrete Algorithms, 18, 75–88.
[doi]
@article{gil-costa2013jda,
author = {Veronica Gil-Costa and Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Modelling efficient novelty-based search result diversification in metric spaces},
journal = {Journal of Discrete Algorithms},
volume = {18},
number = {},
year = {2013},
pages = {75--88},
issn = {1570-8667},
publisher = {Elsevier},
doi = {10.1016/j.jda.2012.07.004},
}
Macdonald, C., Santos, R. L. T., & Ounis, I. (2013). The whens and hows of learning to rank for web search. Information Retrieval, 16(5), 584–628.
[doi]
@article{macdonald2013irj,
author = {Craig Macdonald and Rodrygo L. T. Santos and Iadh Ounis},
title = {The whens and hows of learning to rank for web search},
journal = {Information Retrieval},
volume = {16},
number = {5},
pages = {584--628},
year = {2013},
publisher = {Springer},
doi = {10.1007/s10791-012-9209-9},
}
Macdonald, C., Santos, R. L. T., Ounis, I., & He, B. (2013). About learning models with multiple query-dependent features. ACM Transactions on Information Systems, 31(3), 11:1–11:39.
[doi]
@article{macdonald2013tois,
author = {Craig Macdonald and Rodrygo L. T. Santos and Iadh Ounis and Ben He},
title = {About learning models with multiple query-dependent features},
journal = {ACM Transactions on Information Systems},
volume = {31},
number = {3},
year = {2013},
issn = {1046-8188},
pages = {11:1--11:39},
publisher = {ACM},
doi = {10.1145/2493175.2493176},
}
Santos, R. L. T. (2013). Explicit web search result diversification. SIGIR Forum, 47(1), 67–68.
[doi]
@article{santos2013sigirf,
author = {Rodrygo L. T. Santos},
title = {Explicit web search result diversification},
journal = {SIGIR Forum},
volume = {47},
number = {1},
year = {2013},
issn = {0163-5840},
pages = {67--68},
doi = {10.1145/2492189.2492205},
publisher = {ACM},
address = {New York, NY, USA},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2013). Learning to rank query suggestions for adhoc and diversity search. Information Retrieval, 16(4), 429–451.
[doi]
@article{santos2013irj,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Learning to rank query suggestions for adhoc and diversity search},
journal = {Information Retrieval},
volume = {16},
number = {4},
pages = {429--451},
year = {2013},
issn = {1386-4564},
publisher = {Springer},
doi = {10.1007/s10791-012-9211-2},
}
Santos, R. L. T., Macdonald, C., McCreadie, R., Ounis, I., & Soboroff, I. (2012). Information retrieval on the blogosphere. Foundations and Trends in Information Retrieval, 6(1), 1–125.
[doi]
@article{santos2012ftir,
author = {Rodrygo L. T. Santos and Craig Macdonald and Richard McCreadie and Iadh Ounis and Ian Soboroff},
title = {Information retrieval on the blogosphere},
journal = {Foundations and Trends in Information Retrieval},
volume = {6},
number = {1},
pages = {1--125},
year = {2012},
publisher = {Now Publishers},
doi = {10.1561/1500000026},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2012). On the role of novelty for search result diversification. Information Retrieval, 15(5), 478–502.
[doi]
@article{santos2012irj,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {On the role of novelty for search result diversification},
journal = {Information Retrieval},
volume = {15},
number = {5},
pages = {478--502},
year = {2012},
publisher = {Springer},
doi = {10.1007/s10791-011-9180-x},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). Mimicking Web search engines for expert search. Information Processing & Management, 47(4), 467–481.
[doi]
@article{santos2011ipm,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Mimicking {W}eb search engines for expert search},
journal = {Information Processing \& Management},
volume = {47},
number = {4},
pages = {467--481},
year = {2011},
issn = {0306-4573},
publisher = {Elsevier},
doi = {10.1016/j.ipm.2010.11.009},
}
Macdonald, C., Santos, R. L. T., Ounis, I., & Soboroff, I. (2010). Blog track research at TREC. SIGIR Forum, 44(1), 57–74.
[doi]
@article{macdonald2010sigirf,
author = {Craig Macdonald and Rodrygo L. T. Santos and Iadh Ounis and Ian Soboroff},
title = {Blog track research at {TREC}},
journal = {SIGIR Forum},
volume = {44},
number = {1},
pages = {57--74},
year = {2010},
doi = {10.1145/1842890.1842899},
}
Santos, R. L. T., Laender, A. H. F., Gonçalves, M. A., Silva, A. J. C., & Santos, H. S. (2010). PaMS: A component-based service for finding the missing full text of articles cataloged in a digital library. Information Systems, 35(5), 544–556.
[doi]
@article{santos2010is,
author = {Rodrygo L. T. Santos and Alberto H. F. Laender and Marcos André Gonçalves and Allan J. C. Silva and Hugo S. Santos},
title = {{PaMS}: {A} component-based service for finding the missing full text of articles cataloged in a digital library},
journal = {Information Systems},
volume = {35},
number = {5},
pages = {544--556},
year = {2010},
issn = {0306-4379},
publisher = {Elsevier},
doi = {10.1016/j.is.2009.04.004},
}
Santos, R. L. T., Roberto, P. A., Gonçalves, M. A., & Laender, A. H. F. (2008). A web services-based framework for building componentized digital libraries. Journal of Systems and Software, 81(5), 809–822.
[doi]
@article{santos2008jss,
author = {Rodrygo L. T. Santos and Pablo A. Roberto and Marcos André Gonçalves and Alberto H. F. Laender},
title = {A web services-based framework for building componentized digital libraries},
journal = {Journal of Systems and Software},
volume = {81},
number = {5},
pages = {809--822},
year = {2008},
issn = {0164-1212},
doi = {10.1016/j.jss.2007.07.029},
publisher = {Elsevier},
}Conference proceedings
Frommholz, I., Hopfgartner, F., Lee, M., Oakes, M., Lalmas, M., Zhang, M., & Santos, R. L. T. (Eds.). (2023). CIKM 2023: Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, Birmingham, United Kingdom, October 21-25, 2023. ACM.
[doi]
@proceedings{frommholz2023cikm,
editor = {Ingo Frommholz and Frank Hopfgartner and Mark Lee and Michael Oakes and Mounia Lalmas and Min Zhang and Rodrygo L. T. Santos},
title = {{CIKM 2023: Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, Birmingham, United Kingdom, October 21-25, 2023}},
publisher = {{ACM}},
year = {2023},
doi = {10.1145/3583780},
}
Santos, R. L. T., Marinho, L. B., Daly, E. M., Chen, L., Falk, K., Koenigstein, N., & Moura, E. S. de (Eds.). (2020). RecSys 2020: Proceedings of the 14h ACM Conference on Recommender Systems, Virtual Event, Brazil, September 22-26, 2020. ACM.
[doi]
@proceedings{santos2020recsys,
editor = {Rodrygo L. T. Santos and Leandro Balby Marinho and Elizabeth M. Daly and Li Chen and Kim Falk and Noam Koenigstein and Edleno Silva de Moura},
title = {{RecSys 2020: Proceedings of the 14h ACM Conference on Recommender Systems, Virtual Event, Brazil, September 22-26, 2020}},
publisher = {ACM},
year = {2020},
doi = {10.1145/3383313},
isbn = {978-1-4503-7583-2},
}Conference papers
Costa, L. G., Souza, Á. M., Andrade, M. M., Santos, R. L. T., Meira Jr., W., & Pappa, G. L. (2026). Contradiction detection in Brazilian legislative bills: A limited labeled data study. Proceedings of the 20th Brazilian e-Science Workshop, 89–96.
[doi]
@inproceedings{costa2026bresci,
author = {Lucas G. Costa and Átila M. Souza and Marcelo M. Andrade and Rodrygo L. T. Santos and Wagner {Meira Jr.} and Gisele L. Pappa},
title = {Contradiction Detection in {Brazilian} Legislative Bills: A Limited Labeled Data Study},
booktitle = {Proceedings of the 20th {Brazilian} e-Science Workshop},
address = {São Carlos, SP, Brazil},
pages = {89--96},
publisher = {SBC},
year = {2026},
doi = {10.5753/bresci.2026.249442},
}
Costa, L., Souza, Á., Rodrigues, E., Glater, R., Maia, M., Santos, W., Migueletto, M., Santos, R. L. T., Meira Jr., W., & Pappa, G. (2026). ReSB: Retrieving similar Brazilian state bills. Proceedings of the 37th ACM Conference on Hypertext and Social Media.
@inproceedings{costa2026ht,
author = {Lucas Costa and Átila Souza and Elves Rodrigues and Rafael Glater and Mauricio Maia and Walter Santos and Marcelo Migueletto and Rodrygo L. T. Santos and Wagner {Meira Jr.} and Gisele Pappa},
title = {{ReSB}$^2$: Retrieving Similar {Brazilian} State Bills},
booktitle = {Proceedings of the 37th {ACM} Conference on Hypertext and Social Media},
address = {London, England},
publisher = {ACM},
year = {2026},
}
Matos, B., Lima, R. C., Zannettou, S., Benevenuto, F., & Santos, R. L. T. (2026). Misinformation span detection in videos via audio transcripts. Proceedings of the 20th International AAAI Conference on Web and Social Media, 2839–2850.
[doi]
@inproceedings{matos2026icwsm,
author = {Breno Matos and Rennan C. Lima and Savvas Zannettou and Fabrício Benevenuto and Rodrygo L. T. Santos},
title = {Misinformation Span Detection in Videos via Audio Transcripts},
booktitle = {Proceedings of the 20th International {AAAI} Conference on {Web} and Social Media},
year = {2026},
pages = {2839--2850},
publisher = {AAAI Press},
doi = {10.1609/icwsm.v20i1.42786},
}
Pereira, B. L., Said, A., & Santos, R. L. T. (2025). Online learning to rank for sequential music recommendation. Proceedings of the 19th ACM Conference on Recommender Systems.
[doi]
@inproceedings{pereira2025recsys,
author = {Bruno L. Pereira and Alan Said and Rodrygo L. T. Santos},
title = {Online learning to rank for sequential music recommendation},
booktitle = {Proceedings of the 19th {ACM} Conference on Recommender Systems},
year = {2025},
isbn = {9798400713644},
address = {Prague, Czech Republic},
pages = {},
doi = {10.1145/3705328.3748086},
publisher = {ACM},
}
Costa, J. B. G., Marinho, L. B., Santos, R. L. T., & Parra, D. (2023). Evaluating pre-training strategies for collaborative filtering. Proceedings of the 31st ACM Conference on User Modeling, Adaptation and Personalization, 175–182.
[doi]
@inproceedings{costa2023umap,
author = {Júlio B. G. Costa and Leandro Balby Marinho and Rodrygo L. T. Santos and Denis Parra},
title = {Evaluating pre-training strategies for collaborative filtering},
booktitle = {Proceedings of the 31st {ACM} Conference on User Modeling, Adaptation and Personalization},
address = {Limassol, Cyprus},
pages = {175--182},
publisher = {{ACM}},
year = {2023},
doi = {10.1145/3565472.3592949},
}
Glater, R., & Santos, R. L. T. (2023). On answer position bias in transformers for question answering. Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2215–2219.
[doi]
@inproceedings{glater2023sigir,
author = {Rafael Glater and Rodrygo L. T. Santos},
title = {On answer position bias in transformers for question answering},
booktitle = {Proceedings of the 46th International {ACM} {SIGIR} Conference on Research and Development in Information Retrieval},
address = {Taipei, Taiwan},
pages = {2215--2219},
publisher = {{ACM}},
year = {2023},
doi = {10.1145/3539618.3592029},
}
Chaves, P. D. V., Pereira, B. L., & Santos, R. L. T. (2022). Efficient online learning to rank for sequential music recommendation. Proceedings of the Web Conference 2022, 2442–2450.
[doi]
@inproceedings{chaves2022www,
author = {Pedro Dalla Vecchia Chaves and Bruno L. Pereira and Rodrygo L. T. Santos},
title = {Efficient online learning to rank for sequential music recommendation},
booktitle = {Proceedings of the Web Conference 2022},
year = {2022},
isbn = {9781450390965},
address = {Virtual Event, France},
pages = {2442-2450},
doi = {10.1145/3485447.3512116},
publisher = {ACM},
}
Lima, R. C., & Santos, R. L. T. (2022). On extractive summarization for profile-centric neural expert search in academia. Proceedings of the 45th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2331--2335.
[doi]
@inproceedings{lima2022sigir,
author = {Rennan C. Lima and Rodrygo L. T. Santos},
title = {On extractive summarization for profile-centric neural expert search in academia},
booktitle = {Proceedings of the 45th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2022},
isbn = {9781450387323},
address = {Madrid, Spain},
pages = {2331–-2335},
doi = {10.1145/3477495.3531713},
publisher = {ACM},
}
Marinho, L. B., Guedes, J., Parra, D., & Santos, R. L. T. (2022). Similarity-based explanations meet matrix factorization via structure-preserving embeddings. Proceedings of the 27th Annual Conference on Intelligent User Interfaces, 782–793.
[doi]
@inproceedings{marinho2022iui,
author = {Leandro Balby Marinho and Júlio Guedes and Denis Parra and Rodrygo L. T. Santos},
title = {Similarity-based explanations meet matrix factorization via structure-preserving embeddings},
booktitle = {Proceedings of the 27th Annual Conference on Intelligent User Interfaces},
year = {2022},
isbn = {9781450391443},
address = {Helsinki, Finland},
pages = {782-793},
doi = {10.1145/3490099.3511104},
publisher = {ACM},
}
Matos, B., Lima, R. C., Almeida, J. M., Gonçalves, M., & Santos, R. L. T. (2022). On the presence of abusive language in mis/disinformation. Proceedings of the 13th International Conference on Social Informatics, 292–304.
[doi]
@inproceedings{matos2022socinfo,
author = {Breno Matos and Rennan C. Lima and Jussara M. Almeida and Marcos Gonçalves and Rodrygo L. T. Santos},
title = {On the presence of abusive language in mis/disinformation},
booktitle = {Proceedings of the 13th International Conference on Social Informatics},
publisher = {Springer},
year = {2022},
doi = {10.1007/978-3-031-19097-1_18},
isbn = {9783031190971},
pages = {292--304},
address = {Glasgow, UK},
}
Martins, K., Vaz-de-Melo, P. O. S., & Santos, R. L. T. (2021). Why do document-level polarity classifiers fail? Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics, 1782--1794.
[doi]
@inproceedings{martins2021naacl,
author = {Karen Martins and Pedro O.S Vaz-de-Melo and Rodrygo L. T. Santos},
title = {Why do document-level polarity classifiers fail?},
year = {2021},
isbn = {},
publisher = {ACL},
address = {Mexico City, Mexico},
doi = {10.18653/v1/2021.naacl-main.143},
booktitle = {Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics},
pages = {1782–-1794},
}
Ueda, A., Santos, R. L. T., Macdonald, C., & Ounis, I. (2021). Structured fine-tuning of contextual embeddings for effective biomedical retrieval. Proceedings of the 44th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2031–2035.
[doi]
@inproceedings{ueda2021sigir,
author = {Alberto Ueda and Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Structured fine-tuning of contextual embeddings for effective biomedical retrieval},
booktitle = {Proceedings of the 44th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2021},
isbn = {9781450380379},
address = {Virtual Event, Canada},
pages = {2031-2035},
doi = {10.1145/3404835.3463075},
publisher = {ACM},
}
Penha, G., & Santos, R. L. T. (2020). Exploiting performance estimates for augmenting recommendation ensembles. Proceedings of the 14th ACM Conference on Recommender Systems, 111–119.
[doi]
@inproceedings{penha2020recsys,
author = {Gustavo Penha and Rodrygo L. T. Santos},
title = {Exploiting performance estimates for augmenting recommendation ensembles},
year = {2020},
isbn = {9781450375832},
publisher = {ACM},
address = {Virtual Event, Brazil},
doi = {10.1145/3383313.3412264},
booktitle = {Proceedings of the 14th ACM Conference on Recommender Systems},
pages = {111--119},
note = {Best paper runner up award.}
}
Câmara, A., & Santos, R. L. T. (2019). Traversing semantically annotated queries for task-oriented query recommendation. Proceedings of the 13th ACM Conference on Recommender Systems, 511--515.
[doi]
@inproceedings{camara2019recsys,
author = {Arthur Câmara and Rodrygo L. T. Santos},
title = {Traversing semantically annotated queries for task-oriented query recommendation},
booktitle = {Proceedings of the 13th ACM Conference on Recommender Systems},
year = {2019},
isbn = {9781450362436},
address = {Copenhagen, Denmark},
pages = {511–-515},
doi = {10.1145/3298689.3346994},
publisher = {ACM},
}
Penha, G., Campos, R. R., Canuto, S. D., Gonçalves, M. A., & Santos, R. L. T. (2019). Document performance prediction for automatic text classification. Proceedings of the 41st European Conference on Information Retrieval, 132–139.
[doi]
@inproceedings{penha2019ecir,
author = {Gustavo Penha and Raphael R. Campos and Sérgio D. Canuto and Marcos André Gonçalves and Rodrygo L. T. Santos},
title = {Document performance prediction for automatic text classification},
booktitle = {Proceedings of the 41st European Conference on Information Retrieval},
address = {Cologne, Germany},
year = {2019},
pages = {132--139},
publisher = {Springer},
isbn = {9783030157197},
doi = {10.1007/978-3-030-15719-7_17},
}
Pereira, B. L., Ueda, A., Penha, G., Santos, R. L. T., & Ziviani, N. (2019). Online learning to rank for sequential music recommendation. Proceedings of the 13th ACM Conference on Recommender Systems, 237--245.
[doi]
@inproceedings{pereira2019recsys,
author = {Bruno L. Pereira and Alberto Ueda and Gustavo Penha and Rodrygo L. T. Santos and Nivio Ziviani},
title = {Online learning to rank for sequential music recommendation},
booktitle = {Proceedings of the 13th ACM Conference on Recommender Systems},
year = {2019},
isbn = {9781450362436},
address = {Copenhagen, Denmark},
pages = {237–-245},
doi = {10.1145/3298689.3347019},
publisher = {ACM},
}
Zaharieva, M., Ionescu, B., Gînscă, A. L., Santos, R. L. T., & Müller, H. (2018). SubDiv17: A dataset for investigating subjectivity in the visual diversification of image search results. Proceedings of the 9th ACM Multimedia Systems Conference, 444--449.
[doi]
@inproceedings{zaharieva2018mmsys,
author = {Maia Zaharieva and Bogdan Ionescu and Alexandru Lucian Gînscă and Rodrygo L. T. Santos and Henning Müller},
title = {{SubDiv17}: a dataset for investigating subjectivity in the visual diversification of image search results},
booktitle = {Proceedings of the 9th ACM Multimedia Systems Conference},
address = {Amsterdam, The Netherlands},
year = {2018},
isbn = {9781450351928},
pages = {444–-449},
doi = {10.1145/3204949.3208122},
publisher = {ACM},
}
Franciscani, G. R., Santos, R. L. T., Boaventura, M., Bernardina, P. D., Meira Jr., W., & Melo Minardi, R. C. de. (2017). Experimental evaluation of crowdsourcing on the characterization of data visualization techniques. Proceedings of the 2017 Brazilian Conference on Intelligent Systems, 432–437.
[doi]
@inproceedings{franciscani-jr2017bracis,
author = {Geraldo Ribeiro Franciscani and Rodrygo L. T. Santos and Michel Boaventura and Pedro Dalla Bernardina and Wagner {Meira Jr.} and Raquel Cardoso de Melo Minardi},
title = {Experimental evaluation of crowdsourcing on the characterization of data visualization techniques},
booktitle = {Proceedings of the 2017 {Brazilian} Conference on Intelligent Systems},
year = {2017},
pages = {432-437},
address = {Uberlândia, MG, Brazil},
publisher = {},
doi = {10.1109/BRACIS.2017.75},
}
Glater, R., Santos, R. L. T., & Ziviani, N. (2017). Intent-aware semantic query annotation. Proceedings of the 40th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval.
[doi]
@inproceedings{glater2017sigir,
author = {Rafael Glater and Rodrygo L. T. Santos and Nivio Ziviani},
title = {Intent-aware semantic query annotation},
booktitle = {Proceedings of the 40th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2017},
isbn = {978-1-4503-5022-8},
address = {Tokyo, Japan},
pages = {},
doi = {10.1145/3077136.3080825},
publisher = {ACM},
}
Moraes, F., Alvim, M. S., & Santos, R. L. T. (2017). Modeling information flow in dynamic information retrieval. Proceedings of the 3rd ACM International Conference on the Theory of Information Retrieval.
[doi]
@inproceedings{moraes2017ictir-b,
author = {Felipe Moraes and Mário S. Alvim and Rodrygo L. T. Santos},
title = {Modeling information flow in dynamic information retrieval},
booktitle = {Proceedings of the 3rd ACM International Conference on the Theory of Information Retrieval},
year = {2017},
isbn = {},
address = {Amsterdam, The Netherlands},
pages = {},
doi = {10.1145/3121050.3121102},
publisher = {ACM},
}
Moraes, F., Santos, R. L. T., & Ziviani, N. (2017). On effective dynamic search in specialized domains. Proceedings of the 3rd ACM International Conference on the Theory of Information Retrieval.
[doi]
@inproceedings{moraes2017ictir-a,
author = {Felipe Moraes and Rodrygo L. T. Santos and Nivio Ziviani},
title = {On effective dynamic search in specialized domains},
booktitle = {Proceedings of the 3rd ACM International Conference on the Theory of Information Retrieval},
year = {2017},
isbn = {},
address = {Amsterdam, The Netherlands},
pages = {},
doi = {10.1145/3121050.3121065},
publisher = {ACM},
}
Sanchez-Vazquez, R., Silva, J., & Santos, R. L. T. (2017). Exploiting socio-economic models for lodging recommendation in the sharing economy. Proceedings of the 11th ACM Conference on Recommender Systems.
[doi]
@inproceedings{sanchez-vazquez2017recsys,
author = {Raul Sanchez-Vazquez and Jordan Silva and Rodrygo L. T. Santos},
title = {Exploiting socio-economic models for lodging recommendation in the sharing economy},
booktitle = {Proceedings of the 11th ACM Conference on Recommender Systems},
year = {2017},
isbn = {978-1-4503-4652-8},
address = {Como, Italy},
pages = {},
doi = {10.1145/3107411.3107471},
publisher = {ACM},
}
Lopes, R., Assunção, R., & Santos, R. L. T. (2016). Efficient Bayesian methods for graph-based recommendation. Proceedings of the 10th ACM Conference on Recommender Systems.
[doi]
@inproceedings{lopes2016recsys,
author = {Ramon Lopes and Renato Assunção and Rodrygo L. T. Santos},
title = {Efficient {B}ayesian methods for graph-based recommendation},
booktitle = {Proceedings of the 10th ACM Conference on Recommender Systems},
year = {2016},
isbn = {},
address = {Boston, MA, USA},
pages = {},
doi = {10.1145/2959100.2959132},
publisher = {ACM},
}
Mangaravite, V., & Santos, R. L. T. (2016). On information-theoretic document-person associations for expert search in academia. Proceedings of the 39th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 925–928.
[doi]
@inproceedings{mangaravite2016sigir-a,
author = {Vitor Mangaravite and Rodrygo L. T. Santos},
title = {On information-theoretic document-person associations for expert search in academia},
booktitle = {Proceedings of the 39th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2016},
isbn = {978-1-4503-4069-4},
address = {Pisa, Italy},
pages = {925-928},
doi = {10.1145/2911451.2914751},
publisher = {ACM},
}
Mangaravite, V., Santos, R. L. T., Ribeiro, I. S., Gonçalves, M. A., & Laender, A. H. F. (2016). The LExR collection for expertise retrieval in academia. Proceedings of the 39th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 721–724.
[doi]
@inproceedings{mangaravite2016sigir-b,
author = {Vitor Mangaravite and Rodrygo L. T. Santos and Isac S. Ribeiro and Marcos André Gonçalves and Alberto H. F. Laender},
title = {The {LExR} collection for expertise retrieval in academia},
booktitle = {Proceedings of the 39th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2016},
isbn = {978-1-4503-4069-4},
address = {Pisa, Italy},
pages = {721-724},
doi = {10.1145/2911451.2914678},
publisher = {ACM},
}
Macedo, A. Q. de, Marinho, L. B., & Santos, R. L. T. (2015). Context-aware event recommendation in event-based social networks. Proceedings of the 9th ACM Conference on Recommender Systems, 123–130.
[doi]
@inproceedings{macedo2015recsys,
author = {Augusto Q. de Macedo and Leandro Balby Marinho and Rodrygo L. T. Santos},
title = {Context-aware event recommendation in event-based social networks},
booktitle = {Proceedings of the 9th ACM Conference on Recommender Systems},
year = {2015},
isbn = {978-1-4503-3692-5},
address = {Vienna, Austria},
pages = {123-130},
doi = {10.1145/2792838.2800187},
publisher = {ACM},
note = {Best paper award.},
}
Ribas, S., Ribeiro-Neto, B., Santos, R. L. T., Silva, E. S. e, Ueda, A., & Ziviani, N. (2015). Random walks on the reputation graph. Proceedings of the 1st ACM International Conference on the Theory of Information Retrieval, 181–190.
[doi]
@inproceedings{ribas2015ictir,
author = {Sabir Ribas and Berthier Ribeiro-Neto and Rodrygo L. T. Santos and Edmundo Souza e Silva and Alberto Ueda and Nivio Ziviani},
title = {Random walks on the reputation graph},
booktitle = {Proceedings of the 1st ACM International Conference on the Theory of Information Retrieval},
year = {2015},
isbn = {978-1-4503-3833-2},
address = {Northampton, MA, USA},
pages = {181-190},
doi = {10.1145/2808194.2809462},
publisher = {ACM},
}
Ribeiro, I. S., Santos, R. L. T., Gonçalves, M. A., & Laender, A. H. F. (2015). On tag recommendation for expertise profiling: A case study in the scientific domain. Proceedings of the 8th ACM International Conference on Web Search and Data Mining, 189–198.
[doi]
@inproceedings{ribeiro2015wsdm,
author = {Isac S. Ribeiro and Rodrygo L. T. Santos and Marcos André Gonçalves and Alberto H. F. Laender},
title = {On tag recommendation for expertise profiling: a case study in the scientific domain},
booktitle = {Proceedings of the 8th ACM International Conference on Web Search and Data Mining},
year = {2015},
pages = {189-198},
address = {Shanghai, China},
publisher = {ACM},
doi = {10.1145/2684822.2685320},
}
Costa, T. F., Lacerda, A., Santos, R. L. T., & Ziviani, N. (2014). Information-theoretic term selection for new item recommendation. Proceedings of the 21st International Symposium on String Processing and Information Retrieval, 236–243.
[doi]
@inproceedings{costa2014spire,
author = {Thales Filizola Costa and Anisio Lacerda and Rodrygo L. T. Santos and Nivio Ziviani},
title = {Information-theoretic term selection for new item recommendation},
booktitle = {Proceedings of the 21st International Symposium on String Processing and Information Retrieval},
year = {2014},
pages = {236-243},
address = {Ouro Preto, MG, Brazil},
publisher = {Springer},
doi = {10.1007/978-3-319-11918-2_23},
}
Franciscani Jr., G., Santos, R. L. T., Ottoni, R., Pesce, J. P., Meira Jr., W., & Melo-Minardi, R. (2014). An annotation process for data visualization techniques. Proceedings of the 3rd International Conference on Data Analytics.
@inproceedings{franciscani-jr2014icda,
author = {Franciscani Jr., Geraldo and Santos, Rodrygo L. T. and Ottoni, Raphael and Pesce, João Paulo and Meira Jr., Wagner and Melo-Minardi, Raquel},
title = {An annotation process for data visualization techniques},
booktitle = {Proceedings of the 3rd International Conference on Data Analytics},
year = {2014},
pages = {},
address = {Rome, Italy},
publisher = {IARIA},
}
Lacerda, A., Veloso, A., Santos, R. L. T., & Ziviani, N. (2014). Context-aware deal size prediction. Proceedings of the 21st International Symposium on String Processing and Information Retrieval, 256–267.
[doi]
@inproceedings{lacerda2014spire,
author = {Anisio Lacerda and Adriano Veloso and Rodrygo L. T. Santos and Nivio Ziviani},
title = {Context-aware deal size prediction},
booktitle = {Proceedings of the 21st International Symposium on String Processing and Information Retrieval},
year = {2014},
pages = {256-267},
address = {Ouro Preto, MG, Brazil},
publisher = {Springer},
doi = {10.1007/978-3-319-11918-2_25},
}
Belém, F., Santos, R. L. T., Gonçalves, M. A., & Almeida, J. M. (2013). Topic diversity in tag recommendation. Proceedings of the 7th ACM Conference on Recommender Systems, 141–148.
[doi]
@inproceedings{belem2013recsys,
author = {Fabiano Belém and Rodrygo L. T. Santos and Marcos André Gonçalves and Jussara M. Almeida},
title = {Topic diversity in tag recommendation},
booktitle = {Proceedings of the 7th ACM Conference on Recommender Systems},
year = {2013},
isbn = {978-1-4503-2409-0},
address = {Hong Kong, China},
pages = {141-148},
doi = {10.1145/2507157.2507184},
publisher = {ACM},
}
Lima, H., Silva, T. H. P., Moro, M. M., Santos, R. L. T., Jr., W. M., & Laender, A. H. F. (2013). Aggregating productivity indices for ranking researchers across multiple areas. Proceedings of the 13th ACM/IEEE-CS Joint Conference on Digital Libraries, 97–106.
[doi]
@inproceedings{lima2013jcdl,
author = {Harlley Lima and Thiago H. P. Silva and Mirella M. Moro and Rodrygo L. T. Santos and Wagner Meira Jr. and Alberto H. F. Laender},
title = {Aggregating productivity indices for ranking researchers across multiple areas},
booktitle = {Proceedings of the 13th ACM/IEEE-CS Joint Conference on Digital Libraries},
year = {2013},
isbn = {978-1-4503-2077-1},
address = {Indianapolis, IN, USA},
pages = {97-106},
doi = {10.1145/2467696.2467715},
publisher = {ACM},
}
Vargas, S., Santos, R. L. T., Macdonald, C., & Ounis, I. (2013). Selecting effective expansion terms for diversity. Proceedings of the 10th Conference on Open Research Areas in Information Retrieval, 69–76.
@inproceedings{vargas2013oair,
author = {Saúl Vargas and Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Selecting effective expansion terms for diversity},
booktitle = {Proceedings of the 10th Conference on Open Research Areas in Information Retrieval},
year = {2013},
pages = {69-76},
address = {Lisbon, Portugal},
publisher = {CID},
isbn = {978-2-905450-09-8},
}
Macdonald, C., Santos, R. L. T., & Ounis, I. (2012). On the usefulness of query features for learning to rank. Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2559–2562.
[doi]
@inproceedings{macdonald2012cikm,
author = {Craig Macdonald and Rodrygo L. T. Santos and Iadh Ounis},
title = {On the usefulness of query features for learning to rank},
booktitle = {Proceedings of the 21st ACM International Conference on Information and Knowledge Management},
year = {2012},
pages = {2559-2562},
address = {Maui, HI, USA},
publisher = {ACM},
doi = {10.1145/2396761.2398691},
}
Gil-Costa, V., Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). Sparse spatial selection for novelty-based search result diversification. Proceedings of the 18th International Symposium on String Processing and Information Retrieval, 344–355.
[doi]
@inproceedings{gil-costa2011spire,
author = {Veronica Gil-Costa and Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Sparse spatial selection for novelty-based search result diversification},
booktitle = {Proceedings of the 18th International Symposium on String Processing and Information Retrieval},
year = {2011},
pages = {344-355},
address = {Pisa, Italy},
publisher = {Springer},
doi = {10.1007/978-3-642-24583-1_34},
}
Limsopatham, N., Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). Disambiguating biomedical acronyms using EMIM. Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 1213–1214.
[doi]
@inproceedings{limsopatham2011sigir,
author = {Nut Limsopatham and Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Disambiguating biomedical acronyms using EMIM},
booktitle = {Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2011},
pages = {1213-1214},
address = {Beijing, China},
publisher = {ACM},
doi = {10.1145/2009916.2010125},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). Aggregated search result diversification. Proceedings of the 3rd International Conference on the Theory of Information Retrieval, 250–261.
[doi]
@inproceedings{santos2011ictir,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Aggregated search result diversification},
booktitle = {Proceedings of the 3rd International Conference on the Theory of Information Retrieval},
year = {2011},
pages = {250-261},
address = {Bertinoro, Italy},
publisher = {Springer},
doi = {10.1007/978-3-642-23318-0_23},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). Effectiveness beyond the first crawl tier. Proceedings of the 20th ACM International Conference on Information and Knowledge Management, 1937–1940.
[doi]
@inproceedings{santos2011cikm-b,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Effectiveness beyond the first crawl tier},
booktitle = {Proceedings of the 20th ACM International Conference on Information and Knowledge Management},
year = {2011},
pages = {1937-1940},
address = {Glasgow, UK},
publisher = {ACM},
doi = {10.1145/2063576.2063859},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). How diverse are Web search results? Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 1187–1188.
[doi]
@inproceedings{santos2011sigir-b,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {How diverse are {W}eb search results?},
booktitle = {Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2011},
pages = {1187-1188},
address = {Beijing, China},
publisher = {ACM},
doi = {10.1145/2009916.2010112},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). Intent-aware search result diversification. Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 595–604.
[doi]
@inproceedings{santos2011sigir-a,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Intent-aware search result diversification},
booktitle = {Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2011},
pages = {595-604},
address = {Beijing, China},
publisher = {ACM},
doi = {10.1145/2009916.2009997},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). On the suitability of diversity metrics for learning-to-rank for diversity. Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 1185–1186.
[doi]
@inproceedings{santos2011sigir-c,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {On the suitability of diversity metrics for learning-to-rank for diversity},
booktitle = {Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2011},
pages = {1185-1186},
address = {Beijing, China},
publisher = {ACM},
doi = {10.1145/2009916.2010111},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2010). Exploiting query reformulations for Web search result diversification. Proceedings of the 19th International Conference on World Wide Web, 881–890.
[doi]
@inproceedings{santos2010www,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Exploiting query reformulations for {W}eb search result diversification},
booktitle = {Proceedings of the 19th International Conference on World Wide Web},
year = {2010},
pages = {881-890},
address = {Raleigh, NC, USA},
publisher = {ACM},
doi = {10.1145/1772690.1772780},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2010). Selectively diversifying Web search results. Proceedings of the 19th ACM International Conference on Information and Knowledge Management, 1179–1188.
[doi]
@inproceedings{santos2010cikm,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Selectively diversifying {W}eb search results},
booktitle = {Proceedings of the 19th ACM International Conference on Information and Knowledge Management},
year = {2010},
pages = {1179-1188},
address = {Toronto, Canada},
publisher = {ACM},
doi = {10.1145/1871437.1871586},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2010). Voting for related entities. Proceedings of the 9th International Conference on Adaptivity, Personalization and Fusion of Heterogeneous Information (Recherche d’information Et Ses Applications), 1–8.
@inproceedings{santos2010riao,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {Voting for related entities},
booktitle = {Proceedings of the 9th International Conference on Adaptivity, Personalization and Fusion of Heterogeneous Information (Recherche d'Information et ses Applications)},
year = {2010},
pages = {1-8},
address = {Paris, France},
publisher = {CID},
}
Santos, R. L. T., Peng, J., Macdonald, C., & Ounis, I. (2010). Explicit search result diversification through sub-queries. Proceedings of the 31st European Conference on Information Retrieval, 87–99.
[doi]
@inproceedings{santos2010ecir,
author = {Rodrygo L. T. Santos and Jie Peng and Craig Macdonald and Iadh Ounis},
title = {Explicit search result diversification through sub-queries},
booktitle = {Proceedings of the 31st European Conference on Information Retrieval},
address = {Milton Keynes, UK},
year = {2010},
pages = {87-99},
publisher = {Springer},
doi = {10.1007/978-3-642-12275-0_11},
}
Santos, R. L. T., He, B., Macdonald, C., & Ounis, I. (2009). Integrating proximity to subjective sentences for blog opinion retrieval. Proceedings of the 31st European Conference on Information Retrieval, 325–336.
[doi]
@inproceedings{santos2009ecir,
author = {Rodrygo L. T. Santos and Ben He and Craig Macdonald and Iadh Ounis},
title = {Integrating proximity to subjective sentences for blog opinion retrieval},
booktitle = {Proceedings of the 31st European Conference on Information Retrieval},
address = {Toulouse, France},
year = {2009},
pages = {325-336},
doi = {10.1145/1410140.1410195},
publisher = {ACM},
}
Laender, A. H. F., Gonçalves, M. A., Cota, R. G., Ferreira, A. A., Santos, R. L. T., & Silva, A. J. C. (2008). Keeping a digital library clean: New solutions to old problems. Proceedings of the 8th ACM Symposium on Document Engineering, 257–262.
[doi]
@inproceedings{laender2008doceng,
author = {Alberto H. F. Laender and Marcos André Gonçalves and Ricardo G. Cota and Anderson A. Ferreira and Rodrygo L. T. Santos and Allan J. C. Silva},
title = {Keeping a digital library clean: new solutions to old problems},
booktitle = {Proceedings of the 8th ACM Symposium on Document Engineering},
year = {2008},
isbn = {978-1-60558-081-4},
address = {São Paulo, SP, Brazil},
pages = {257-262},
doi = {10.1145/1410140.1410195},
publisher = {ACM},
}
Santos, R. L. T., Silva, A. J. C., Santos, H. S., Laender, A. H. F., & Gonçalves, M. A. (2007). A component-based digital library service for finding missing documents. Proceedings of the 22nd Brazilian Symposium on Databases, 5–19.
@inproceedings{santos2007sbbd,
author = {Rodrygo L. T. Santos and Allan J. C. Silva and Hugo S. Santos and Alberto H. F. Laender and Marcos André Gonçalves},
title = {A component-based digital library service for finding missing documents},
booktitle = {Proceedings of the 22nd {Brazilian} Symposium on Databases},
year = {2007},
pages = {5-19},
address = {João Pessoa, Brazil},
publisher = {SBC},
note = {Best paper nominee.},
}
Roberto, P. A., Santos, R. L. T., Gonçalves, M. A., & Laender, A. H. F. (2006). On RDBMS and workflow support for componentized digital libraries. Proceedings of the 21st Brazilian Symposium on Databases, 87–101.
@inproceedings{roberto2006sbbd,
author = {Pablo A. Roberto and Rodrygo L. T. Santos and Marcos André Gonçalves and Alberto H. F. Laender},
title = {On {RDBMS} and workflow support for componentized digital libraries},
booktitle = {Proceedings of the 21st {Brazilian} Symposium on Databases},
year = {2006},
pages = {87-101},
address = {Florianópolis, Brazil},
publisher = {SBC},
note = {Best paper nominee.},
}
Santos, R. L. T., Roberto, P. A., Gonçalves, M. A., & Laender, A. H. F. (2006). Design, implementation, and evaluation of a wizard tool for setting up component-based digital libraries. Proceedings of the 10th European Conference on Research and Advanced Technology for Digital Libraries, 135–146.
[doi]
@inproceedings{santos2006ecdl,
author = {Rodrygo L. T. Santos and Pablo A. Roberto and Marcos André Gonçalves and Alberto H. F. Laender},
title = {Design, implementation, and evaluation of a wizard tool for setting up component-based digital libraries},
booktitle = {Proceedings of the 10th European Conference on Research and Advanced Technology for Digital Libraries},
year = {2006},
pages = {135-146},
doi = {10.1007/11863878_12},
address = {Alicante, Spain},
publisher = {Springer},
}Conference tutorials
Santos, R. L. T., Castells, P., Altingovde, I. S., & Can, F. (2015). Diversity and novelty on the Web: Search, recommendation, and data streaming aspects. Proceedings of the 24th International World Wide Web Conference.
[doi]
@inproceedings{santos2015www,
author = {Rodrygo L. T. Santos and Pablo Castells and Ismail Sengor Altingovde and Fazli Can},
title = {Diversity and novelty on the {Web}: search, recommendation, and data streaming aspects},
booktitle = {Proceedings of the 24th International {World Wide Web} Conference},
year = {2015},
isbn = {},
pages = {},
address = {Florence, Italy},
publisher = {ACM},
doi = {10.1145/2740908.2741988},
}
Santos, R. L. T., Castells, P., Altingovde, I. S., & Can, F. (2014). Diversity and novelty in Web search, recommender systems and data streams. Proceedings of the 7th ACM International Conference on Web Search and Data Mining, 679–680.
[doi]
@inproceedings{santos2014wsdm,
author = {Rodrygo L. T. Santos and Pablo Castells and Ismail Sengor Altingovde and Fazli Can},
title = {Diversity and novelty in {Web} search, recommender systems and data streams},
booktitle = {Proceedings of the 7th {ACM} International Conference on {Web} Search and Data Mining},
year = {2014},
isbn = {978-1-4503-2351-2},
pages = {679--680},
address = {New York, NY, USA},
publisher = {ACM},
doi = {10.1145/2556195.2556199},
}
Santos, R. L. T., Castells, P., Altingovde, I. S., & Can, F. (2013). Diversity and novelty in information retrieval. Proceedings of the 36th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 1130.
[doi]
@inproceedings{santos2013sigir,
author = {Rodrygo L. T. Santos and Pablo Castells and Ismail Sengor Altingovde and Fazli Can},
title = {Diversity and novelty in information retrieval},
booktitle = {Proceedings of the 36th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
year = {2013},
isbn = {978-1-4503-2034-4},
pages = {1130},
address = {Dublin, Ireland},
publisher = {ACM},
doi = {10.1145/2484028.2484187},
}
Santos, R. L. T., McCreadie, R., & Plachouras, V. (2011). Large-scale information retrieval experimentation with Terrier. Proceedings of the 20th ACM International Conference on Information and Knowledge Management, 2601–2602.
[doi]
@inproceedings{santos2011cikm-a,
author = {Rodrygo L. T. Santos and Richard McCreadie and Vassilis Plachouras},
title = {Large-scale information retrieval experimentation with {T}errier},
booktitle = {Proceedings of the 20th ACM International Conference on Information and Knowledge Management},
year = {2011},
pages = {2601--2602},
address = {Glasgow, UK},
publisher = {ACM},
doi = {10.1145/2063576.2064032},
}Conference demos
Santos, R. L. T., Gonçalves, M. A., & Laender, A. H. F. (2007). WhizKEY: A wizard-based tool for installing digital libraries. Proceedings of the 4th SBBD Demos Session, 51–56.
@inproceedings{santos2007sbbd-demo,
author = {Rodrygo L. T. Santos and Marcos André Gonçalves and Alberto H. F. Laender},
title = {{WhizKEY}: {A} wizard-based tool for installing digital libraries},
booktitle = {Proceedings of the 4th SBBD Demos Session},
year = {2007},
pages = {51--56},
address = {João Pessoa, Brazil},
publisher = {SBC},
}Workshop papers
Panoutsos, T., Santos, R. L. T., & Figueiredo, F. V. D. de. (2025). Towards symmetric low-rank adapters. Proceedings of the AAAI’25 Workshop on Connecting Low-Rank Representations in AI.
@inproceedings{panoutsos2025colorai,
title = {Towards symmetric low-rank adapters},
author = {Tales Panoutsos and Rodrygo L. T. Santos and Flavio V. D. de Figueiredo},
booktitle = {Proceedings of the AAAI'25 Workshop on Connecting Low-Rank Representations in AI},
year = {2025},
pages = {},
address = {Philadelphia, PA, USA},
}
Moraes, F., Santos, R. L. T., & Ziviani, N. (2017). Dynamic search in specialized domains. Proceedings of the 16th Dutch-Belgian Information Retrieval Workshop.
@inproceedings{moraes2017dir,
author = {Felipe Moraes and Rodrygo L. T. Santos and Nivio Ziviani},
title = {Dynamic search in specialized domains},
booktitle = {Proceedings of the 16th Dutch-Belgian Information Retrieval Workshop},
year = {2017},
pages = {},
address = {Hilversum, The Netherlands},
}
Silva, J., Santos, R. L. T., & Ziviani, N. (2017). Nearby places: On location-based pruning for point-of-interest recommendation. Proceedings of the 5th Large Scale Recommendation Systems Workshop.
@inproceedings{silva2017lsrs,
author = {Jordan Silva and Rodrygo L. T. Santos and Nivio Ziviani},
title = {Nearby places: on location-based pruning for point-of-interest recommendation},
booktitle = {Proceedings of the 5th Large Scale Recommendation Systems Workshop},
year = {2017},
pages = {},
address = {Como, Italy},
}
Ribas, S., Ueda, A., Santos, R. L. T., Ribeiro-Neto, B., & Ziviani, N. (2016). Simplified relative citation ratio for static paper ranking. Proceedings of the WSDM Cup 2016: Entity Ranking Challenge.
@inproceedings{ribas2016wsdmcup,
author = {Sabir Ribas and Alberto Ueda and Rodrygo L. T. Santos and Berthier Ribeiro-Neto and Nivio Ziviani},
title = {Simplified relative citation ratio for static paper ranking},
booktitle = {Proceedings of the WSDM Cup 2016: Entity Ranking Challenge},
year = {2016},
pages = {},
address = {San Francisco, CA, USA},
}
Miranda, L. C. O., Santos, R. L. T., & Laender, A. H. F. (2013). Characterizing video access patterns in mainstream media portals. Proceedings of the 3rd Temporal Web Analytics Workshop.
@inproceedings{miranda2013twaw,
author = {Lucas C. O. Miranda and Rodrygo L. T. Santos and Alberto H. F. Laender},
title = {Characterizing video access patterns in mainstream media portals},
booktitle = {Proceedings of the 3rd Temporal Web Analytics Workshop},
year = {2013},
pages = {},
address = {Rio de Janeiro, Brazil},
}
Macdonald, C., McCreadie, R., Santos, R. L. T., & Ounis, I. (2012). From puppy to maturity: Experiences in developing Terrier. Proceedings of the SIGIR 2012 Workshop on Open Source Information Retrieval, 60–63.
@inproceedings{macdonald2012osir,
author = {Craig Macdonald and Richard McCreadie and Rodrygo L. T. Santos and Iadh Ounis},
title = {From puppy to maturity: {E}xperiences in developing {T}errier},
booktitle = {Proceedings of the SIGIR 2012 Workshop on Open Source Information Retrieval},
year = {2012},
pages = {60--63},
address = {Portland, OR, USA},
}
Santos, R. L. T., & Ounis, I. (2011). Diversifying for multiple information needs. Proceedings of the 1st International Workshop on Diversity in Document Retrieval, 37–41.
@inproceedings{santos2011ddr,
author = {Rodrygo L. T. Santos and Iadh Ounis},
title = {Diversifying for multiple information needs},
booktitle = {Proceedings of the 1st International Workshop on Diversity in Document Retrieval},
pages = {37--41},
address = {Dublin, Ireland},
year = {2011},
}
Santos, R. L. T. (2005). Um assistente para configuração de bibliotecas digitais componentizadas. Proceedings of the 1st SBBD Workshop on Digital Libraries, 11–20.
@inproceedings{santos2005wdl,
author = {Rodrygo L. T. Santos},
title = {Um assistente para configuração de bibliotecas digitais componentizadas},
booktitle = {Proceedings of the 1st SBBD Workshop on Digital Libraries},
year = {2005},
pages = {11--20},
address = {Uberlândia, Brazil},
publisher = {SBC},
}Evaluation forum reports
Nader, A., & Santos, R. L. T. (2025). UFMG at TREC 2025: Retriever-aligned query rewriting for tip-of-the-tongue retrieval. Proceedings of the 34th Text REtrieval Conference.
[pdf]
@inproceedings{nader2025trec,
author = {Arthur Nader and Rodrygo L. T. Santos},
title = {{UFMG} at {TREC} 2025: Retriever-Aligned Query Rewriting for Tip-of-the-Tongue Retrieval},
booktitle = {Proceedings of the 34th Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2025},
url = {https://trec.nist.gov/pubs/trec34/papers/ufmg.tot.pdf},
}
Lima, R. B. de, & Santos, R. L. T. (2023). UFMG at the TREC 2023 Tip of the Tongue track. Proceedings of the 32nd Text REtrieval Conference.
@inproceedings{lima2023trec,
author = {Rita Borges de Lima and Rodrygo L. T. Santos},
title = {{UFMG at the TREC 2023 Tip of the Tongue track}},
booktitle = {Proceedings of the 32nd Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2023},
}
Ueda, A., Santos, R. L. T., Macdonald, C., & Ounis, I. (2020). University of Glasgow Terrier Team and UFMG at the TREC 2020 Precision Medicine track. Proceedings of the 29th Text REtrieval Conference.
@inproceedings{ueda2020trec,
author = {Alberto Ueda and Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {{University of Glasgow Terrier Team and UFMG at the TREC 2020 Precision Medicine track}},
booktitle = {Proceedings of the 29th Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2020},
}
Zaharieva, M., Ionescu, B., Gînscă, A. L., Santos, R. L. T., & Müller, H. (2017). Retrieving Diverse Social Images at MediaEval 2017: Challenges, dataset and evaluation. Proceedings of the MediaEval 2017 Workshop.
@inproceedings{zaharieva2017mediaeval,
author = {Maia Zaharieva and Bogdan Ionescu and Alexandru Lucian Gînscă and Rodrygo L.T. Santos and Henning Müller},
title = {{Retrieving Diverse Social Images at MediaEval} 2017: challenges, dataset and evaluation},
booktitle = {Proceedings of the MediaEval 2017 Workshop},
address = {Dublin, Ireland},
year = {2017},
}
Moraes, F., Santos, R. L. T., & Ziviani, N. (2016). UFMG at the TREC 2016 Dynamic Domain track. Proceedings of the 25th Text REtrieval Conference.
@inproceedings{moraes2016trec,
author = {Felipe Moraes and Rodrygo L. T. Santos and Nivio Ziviani},
title = {{UFMG} at the {TREC} 2016 {D}ynamic {D}omain track},
booktitle = {Proceedings of the 25th Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2016},
}
Limsopatham, N., McCreadie, R., Albakour, M.-D., Macdonald, C., Santos, R. L. T., & Ounis, I. (2012). University of Glasgow at TREC 2012: Experiments with Terrier in Medical Records, Microblog, and Web tracks. Proceedings of the 21st Text REtrieval Conference.
@inproceedings{limsopatham2012trec,
author = {Nut Limsopatham and Richard McCreadie and M-Dyaa Albakour and Craig Macdonald and Rodrygo L. T. Santos and Iadh Ounis},
title = {University of {G}lasgow at {TREC} 2012: {E}xperiments with {T}errier in {M}edical {R}ecords, {M}icroblog, and {W}eb tracks},
booktitle = {Proceedings of the 21st Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2012},
}
McCreadie, R., Macdonald, C., Santos, R. L. T., & Ounis, I. (2011). University of Glasgow at TREC 2011: Experiments with Terrier in Crowdsourcing, Microblog, and Web tracks. Proceedings of the 20th Text REtrieval Conference.
@inproceedings{mccreadie2011trec,
author = {Richard McCreadie and Craig Macdonald and Rodrygo L. T. Santos and Iadh Ounis},
title = {{U}niversity of {G}lasgow at {TREC} 2011: {E}xperiments with {T}errier in {C}rowdsourcing, {M}icroblog, and {W}eb tracks},
booktitle = {Proceedings of the 20th Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2011},
}
Santos, R. L. T., Macdonald, C., & Ounis, I. (2011). University of Glasgow at the NTCIR-9 Intent task: Experiments with Terrier on subtopic mining and document ranking. Proceedings of the 9th NTCIR Workshop Meeting.
@inproceedings{santos2011ntcir,
author = {Rodrygo L. T. Santos and Craig Macdonald and Iadh Ounis},
title = {{U}niversity of {G}lasgow at the {NTCIR}-9 {I}ntent task: {E}xperiments with {T}errier on subtopic mining and document ranking},
booktitle = {Proceedings of the 9th NTCIR Workshop Meeting},
year = {2011},
pages = {},
address = {Tokyo, Japan},
}
Santos, R. L. T., McCreadie, R., Macdonald, C., & Ounis, I. (2010). University of Glasgow at TREC 2010: Experiments with Terrier in Blog and Web tracks. Proceedings of the 19th Text REtrieval Conference.
@inproceedings{santos2010trec,
author = {Rodrygo L. T. Santos and Richard McCreadie and Craig Macdonald and Iadh Ounis},
title = {{U}niversity of {G}lasgow at {TREC} 2010: {E}xperiments with {T}errier in {B}log and {W}eb tracks},
booktitle = {Proceedings of the 19th Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2010},
}
McCreadie, R., Macdonald, C., Ounis, I., Peng, J., & Santos, R. L. T. (2009). University of Glasgow at TREC 2009: Experiments with Terrier—Blog, Entity, Million Query, Relevance Feedback, and Web tracks. Proceedings of the 18th Text REtrieval Conference.
@inproceedings{mccreadie2009trec,
author = {Richard McCreadie and Craig Macdonald and Iadh Ounis and Jie Peng and Rodrygo L. T. Santos},
title = {{U}niversity of {G}lasgow at {TREC} 2009: {E}xperiments with {T}errier---{B}log, {E}ntity, {M}illion {Q}uery, {R}elevance {F}eedback, and {W}eb tracks},
booktitle = {Proceedings of the 18th Text REtrieval Conference},
address = {Gaithersburg, MD, USA},
year = {2009},
}
He, B., Macdonald, C., Ounis, I., Peng, J., & Santos, R. L. T. (2008). University of Glasgow at TREC 2008: Experiments in Blog, Enterprise, and Relevance Feedback tracks with Terrier. Proceedings of the 17th Text REtrieval Conference.
@inproceedings{he2008trec,
author = {Ben He and Craig Macdonald and Iadh Ounis and Jie Peng and Rodrygo L. T. Santos},
title = {{U}niversity of {G}lasgow at {TREC} 2008: {E}xperiments in {B}log, {E}nterprise, and {R}elevance {F}eedback tracks with {T}errier},
booktitle = {Proceedings of the 17th Text REtrieval Conference},
year = {2008},
address = {Gaithersburg, MD, USA},
}Technical reports
Rocha, B. P. S., Santos, R. L. T., Rezende, C. G., Loureiro, A. A. F., & Almeida, V. A. F. (2007). Model-driven crawling and extraction of web-based virtual communities. Departamento de Ciência da Computação, Universidade Federal de Minas Gerais.
@techreport{rocha2007report,
author = {Bruno P. S. Rocha and Rodrygo L. T. Santos and Cristiano G. Rezende and Antonio A. F. Loureiro and Virgilio A. F. Almeida},
title = {Model-driven crawling and extraction of web-based virtual communities},
institution = {Departamento de Ciência da Computação, Universidade Federal de Minas Gerais},
year = {2007},
address = {Belo Horizonte, Brazil}
}
Santos, R. L. T., Rocha, B. P. S., Rezende, C. G., & Loureiro, A. A. F. (2007). Characterizing the YouTube video-sharing community. Departamento de Ciência da Computação, Universidade Federal de Minas Gerais.
@techreport{santos2007report,
author = {Rodrygo L. T. Santos and Bruno P. S. Rocha and Cristiano G. Rezende and Antonio A. F. Loureiro},
title = {Characterizing the {Y}ou{T}ube video-sharing community},
institution = {Departamento de Ciência da Computação, Universidade Federal de Minas Gerais},
year = {2007},
address = {Belo Horizonte, Brazil}
}