Service

2025

Senior Program Committee member of ECIR 2025
Tutorial co-chair of SIGIR 2025

2024

Doctoral Consortium co-chair of UMAP 2024
Editorial Board member of ACM Transactions on Social Computing
Editorial Board member of Found. and Trends in Information Retrieval
Senior Program Committee member of RecSys 2024
Senior Program Committee member of SIGIR 2024
Steering Committee member of RecSys

2023

Editorial Board member of ACM Transactions on Social Computing
Editorial Board member of Found. and Trends in Information Retrieval
Program Committee co-chair of CIKM 2023
Senior Program Committee member of RecSys 2023
Senior Program Committee member of SIGIR 2023
Steering Committee member of RecSys

2022

Doctoral Consortium mentor of SIGIR 2022
Editorial Board member of ACM Transactions on Social Computing
Editorial Board member of Found. and Trends in Information Retrieval
Program Committee member of SIGIR 2022
Program Committee member of WWW 2022
Senior Program Committee member of CIKM 2022
Senior Program Committee member of RecSys 2022
Steering Committee member of RecSys

2021

Doctoral Consortium mentor of RecSys 2021
Editorial Board member of ACM Transactions on Social Computing
Editorial Board member of Found. and Trends in Information Retrieval
Program Committee member of RecSys 2021
Program Committee member of SIGIR 2021
Program Committee member of WWW 2021
Senior Program Committee member of CIKM 2021
Steering Committee member of RecSys
Tutorial co-chair of SIGIR 2021

2020

Affiliate member of the Brazilian Academy of Sciences
Editorial Board member of ACM Transactions on Social Computing
Editorial Board member of Found. and Trends in Information Retrieval
General co-chair of RecSys 2020
Program Committee member of SIGIR 2020
Program Committee member of WSDM 2020
Program Committee member of WWW 2020
Senior Program Committee member of CIKM 2020
Steering Committee member of RecSys

2019

Affiliate member of the Brazilian Academy of Sciences
Editorial Board member of ACM Transactions on Social Computing
Editorial Board member of Found. and Trends in Information Retrieval
General co-chair of LARS 2019
Program Committee member of ECIR 2019
Program Committee member of RecSys 2019
Program Committee member of SIGIR 2019
Program Committee member of WSDM 2019
Program Committee member of WWW 2019
Senior Program Committee member of CIKM 2019
Steering Committee member of RecSys

2018

Affiliate member of the Brazilian Academy of Sciences
Editorial Board member of ACM Transactions on Social Computing
Editorial Board member of Found. and Trends in Information Retrieval
Program Committee member of ECIR 2018
Program Committee member of ICTIR 2018
Program Committee member of RecSys 2018
Program Committee member of SIGIR 2018
Program Committee member of WSDM 2018
Program Committee member of WWW 2018
Senior Program Committee member of CIKM 2018

2017

Affiliate member of the Brazilian Academy of Sciences
Co-organizer of the MediaEval 2017 Retrieving Diverse Social Images task
Editorial Board member of Found. and Trends in Information Retrieval
Program Committee member of ECIR 2017
Program Committee member of ICTIR 2017
Program Committee member of LSRS at RecSys 2017
Program Committee member of RecSys 2017
Program Committee member of SIGIR 2017
Program Committee member of WSDM 2017
Program Committee member of WWW 2017
Senior Program Committee member of CIKM 2017

2016

Affiliate member of the Brazilian Academy of Sciences
Editorial Board member of Found. and Trends in Information Retrieval
Program Committee member of AIRS 2016
Program Committee member of CIKM 2016
Program Committee member of ECIR 2016
Program Committee member of ICTIR 2016
Program Committee member of QRUMS at WSDM 2016
Program Committee member of SIGIR 2016
Program Committee member of WSDM 2016
Program Committee member of WWW 2016
Senior Program Committee member of RecSys 2016
Sponsorship co-chair of WSDM 2016

2015

Editorial Board member of Found. and Trends in Information Retrieval
Program Committee member of AIRS 2015
Program Committee member of CIKM 2015
Program Committee member of ECIR 2015
Program Committee member of ICTIR 2015
Program Committee member of RecSys 2015
Program Committee member of SIGIR 2015
Program Committee member of TWAW 2015

2014

Editorial Board member of Found. and Trends in Information Retrieval
Program Committee member of ECIR 2014
Program Committee member of SIGIR 2014
Program Committee member of SPIRE 2014

2013

Program Committee member of CIKM 2013
Program Committee member of ECIR 2013
Program Committee member of ICTIR 2013
Program Committee member of SIGIR 2013
Program Committee member of SPIRE 2013
Program Committee member of TWAW 2013

2012

Program Committee member of CIKM 2012
Program Committee member of DDR at WSDM 2012
Program Committee member of ECIR 2012

2011

Program Committee member of CIKM 2011
Program Committee member of DDR at ECIR 2011
Program Committee member of ECIR 2011
Program Committee member of QRU at SIGIR 2011