Professional Activities

Membership

ACM (Association for Computing Machinery), Senior Member
Vice Chair of ACM HK Chapter, 2009-2013

Journal Editor

Co-Editor-in-Chief, ACM  Transactions on Recommender Systems  (TORS), since 2022
Editorial Board Member, Frontiers in Big Data | Recommender Systems, since 2021
Associate Editor, ACM Transactions on Interactive Intelligent Systems (TiiS), since 2019
Editorial Board Member, User Modeling and User-Adapted Interaction: The Journal of Personalization Research (UMUAI), since 2016
Guest Editor of International Journal of Human-Computer Studies (IJHCS), Special Issue on Re-centering the User in Recommender System Research, 2024-2025
Guest Editor of UMUAI Special Issue on Conversational Recommender Systems: Theory, Models, Evaluations, and Trends, 2023-2024
Editorial Board Member, Journal of Intelligent Information Systems (JIIS), 2019-2022
Guest Editor of ACM Transactions on Interactive Intelligent Systems (TIIS), Special Issue on Human Decision Making and Recommender Systems, 2011-2013
Guest Editor of ACM Transactions on Intelligent Systems and Technology (TIST), Special Issue on Social Recommender Systems, 2010-2012

Conference Organization

Women’s Events Co-Chair of 2025 19th ACM Conference on Recommender Systems (RecSys’25)
General Co-Chair of 2023 17th ACM Conference on Recommender Systems (RecSys’23)
Track Co-Chair of 2023 31st ACM Conference on User Modeling, Adaptation and Personalization (UMAP’23)
Track Co-Chair of Recommender Systems: Theory, User Interactions & Applications, in 2022 ACM Symposium on Applied Computing (ACM SAC’22)
Track Co-Chair of Recommender Systems: Theory, User Interactions & Applications, in 2021 ACM Symposium on Applied Computing (ACM SAC’21)
Steering Committee Member of ACM Conference on Recommender Systems (RecSys), since 2019
Program Co-Chair of 2020 14th ACM Conference on Recommender Systems (RecSys’20)
Posters, LBR and Demo Co-Chair of 2020 28th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’20)
Co-Chair of Special Track on “Mobile Data & AI”, in 20th IEEE International Conference on Mobile Data Management (MDM’19)
Track Co-Chair of 2019 27th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’19)
Track Co-Chair of Recommender Systems: Theory, User Interactions and Applications, in 34th ACM Symposium on Applied Computing (ACM SAC’19)
Publicity Co-Chair of 24th ACM International Conference on Intelligent User Interfaces (IUI’19)
Program Co-Chair of 2018 26th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’18)
Track Co-Chair of Recommender Systems: Theory, User Interactions and Applications, in 33rd ACM Symposium on Applied Computing (ACM SAC’18)
Poster & Demo Co-Chair of 23rd ACM International Conference on Intelligent User Interfaces (IUI’18)
Tutorial Co-Chair of 2017 ACM Conference on Recommender Systems (RecSys’17)
Track Co-Chair of Recommender Systems: Theory and Applications, in 32nd ACM Symposium on Applied Computing (ACM SAC’17)
Tutorial Co-Chair of ACM Conference on Recommender Systems (RecSys’16)
Co-Chair of 6th International Workshop on Social Recommender Systems (SRS’15) in KDD 2015
Steering Committee Member of 22nd International Symposium on Methodologies for Intelligent Systems (ISMIS’15)
Demo and Poster Co-Chair of 2014 ACM Conference on Recommender Systems (RecSys’14)
Program Co-Chair of 2014 10th ACM-HK Student Research and Career Day
Co-Chair of 5th International Workshop on Social Recommender Systems (SRS’14) in WWW 2014
Steering Committee Member of 21th International Symposium on Methodologies for Intelligent Systems (ISMIS’14)
Local Chair of 2013 ACM Conference on Recommender Systems (RecSys’13)
Co-Chair of Workshop on Human Decision Making in Recommender Systems in ACM RecSys’13
Mentor and Session Chair for Doctoral Consortium in 2013 International Conference on User Modeling, Adaptation and Personalization (UMAP’13)
Co-Chair of 4th Workshop “Social Recommender Systems” in WWW 2013
Co-Chair of 2012 International Workshop on Web Personalization and Recommender Systems (WPRS2012) in WI-IAT 2012
Co-Chair of 3rd Workshop “Social Recommender Systems” in UMAP 2012
Asian Liaison of 2012 ACM Conference on Recommender Systems (RecSys’12)
Demo and Poster Co-Chair of 2012 International Conference on User Modeling, Adaptation, and Personalization (UMAP’12)
Program Co-Chair of 20th International Symposium on Methodologies for Intelligent Systems (ISMIS’12)
Co-Chair of International Workshop on on Cloud and Social Networking in IEEE SCA’11
Co-Chair of Workshop on Human Decision Making in Recommender Systems in ACM RecSys’11
Asian Liaison of 2011 ACM Conference on Recommender Systems (RecSys’11)
Co-Chair of 2nd Workshop “Social Recommender Systems” in ACM CSCW 2011
Demo Chair of 2011 ACM International Conference on Intelligent User Interfaces ACM (IUI’11)
Session Chair for “Web Search (II)” in 2010 International Conference on Web Information System Engineering (WISE’10)
Asian Liaison of 2010 ACM Conference on Recommender Systems (RecSys’10)
Co-organizer of the special session “Technology Intelligence” in 2010 International Conference on Active Media Technology and Brain Informatics (AMT-BI’10)
Co-Chair of Workshop “Social Recommender Systems” in IUI2010
Publicity Chair of 2010 ACM International Conference on Intelligent User Interfaces (IUI’10)
Organizer of the special session “Human-Web Interaction” in 2009 International Conference on Active Media Technology and Brain Informatics (AMT-BI’09)

Program Committee Member

2025 33rd ACM Conference on User Modeling, Adaptation and Personalization (UMAP'25) (Senior PC member)
2025 International World Wide Web Conference (WWW’25) (Area Chair)
2025 ACM International Conference on Intelligent User Interfaces (IUI’25) (Associate Chair)
2024 ACM Conference on Recommender Systems (RecSys’24) (Senior PC member)
2024 International World Wide Web Conference (WWW’24) (Area Chair)
2024 ACM International Conference on Intelligent User Interfaces (IUI’24) (Senior PC member)
2023 3rd Workshop on Perspectives on the Evaluation of Recommender Systems, in conjunction with RecSys 2023
2023 International World Wide Web Conference (WWW’23) (Senior PC member)
2023 ACM International Conference on Intelligent User Interfaces (IUI’23) (Senior PC member)
Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS’22), in conjunction with RecSys 2022
Workshop on Context-Aware Recommender Systems (CARS’22), in conjunction with RecSys 2022
1st Workshop on Measuring the Quality of Explanations in Recommender Systems (QUARE’22), in conjunction with SIGIR 2022
2022 ACM Conference on Recommender Systems (RecSys’22) (Senior PC member)
2022 30th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’22)
2022 International World Wide Web Conference (WWW’22) (Senior PC member)
2021 ACM Conference on Recommender Systems (RecSys’21) (Senior PC member)
2021 29th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’21)
2021 44th ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR’21)
2021 International World Wide Web Conference (WWW’21) (Senior PC member)
2020 28th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’20)
2019 ACM Conference on Recommender Systems (RecSys’19) (Senior PC member)
2019 International Joint Conference on Artificial Intelligence (IJCAI’19) (Senior PC member)
2019 International World Wide Web Conference (WWW’19)
2019 ACM International Conference on Intelligent User Interfaces (IUI’19) (Senior PC member)
2018 ACM Conference on Recommender Systems (RecSys’18) (Senior PC member)
2018 ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR’18) (Senior PC member)
2018 International Joint Conference on Artificial Intelligence (IJCAI’18)
2018 International World Wide Web Conference (WWW’18)
2018 ACM International Conference on Intelligent User Interfaces (IUI’18)
2017 ACM Conference on Recommender Systems (RecSys’17) (Senior PC member)
RecSys’17 Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS’17)
2017 25th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’17)
2017 11th International AAAI Conference on Web and Social Media (ICWSM’17)
RecSys’16 Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS’16)
2016 RecSys Workshop on Emotions and Personality in Personalized Systems (EMPIRE’16)
1st International Workshop on Surprise, Opposition, and Obstruction in Adaptive and Personalized Systems (SOAP’16), in conjunction with UMAP 2016
2016 ACM Conference on Recommender Systems (RecSys’16) (Senior PC member)
2016 17th International Conference on Electronic Commerce and Web Technologies (EC-Web’16)
2016 24th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’16), Doctoral Consortium
2016 24th ACM Conference on User Modeling, Adaptation and Personalization (UMAP’16)
2015 RecSys Workshop on Emotions and Personality in Personalized Services (EMPIRE’15)
1st International Workshop on Mobile Data Mining & Human Mobility Computing, in conjunction with ICDM 2015
IJCAI 2015 Joint Workshop on Constraints and Preferences for Configuration and Recommendation and Intelligent Techniques for Web Personalization
2015 International Joint Conference on Artificial Intelligence (IJCAI’15), Doctoral Consortium
2015 ACM Conference on Recommender Systems (RecSys’15) (Senior PC member)
2015 23rd Conference on User Modeling, Adaptation and Personalization (UMAP’15)
RecSys’14 Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS’14)
2014 ACM Conference on Recommender Systems (RecSys’14) (Senior PC member)
2014 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM’14)
2014 22nd Conference on User Modeling, Adaptation and Personalization (UMAP’14), Doctoral Consortium
2014 UMAP Workshop on Emotions and Personality in Personalized Services (EMPIRE’14)
2014 8th International AAAI Conference on Weblogs and Social Media (ICWSM’14)
2014 International World Wide Web Conference (WWW’14)
2014 ACM International Conference on Web Search and Data Mining (WSDM’14), Workshop Proposal Review
2013 ACM Conference on Recommender Systems (RecSys’13) (Senior PC member)
2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM’13)
2013 UMAP Workshop on Emotions and Personality in Personalized Services (EMPIRE’13)
2013 21st Conference on User Modeling, Adaptation and Personalization (UMAP’13), Doctoral Consortium
2013 23rd International Joint Conference on Artificial Intelligence (IJCAI’13)
2013 ACM WSDM Workshop on Context-Awareness in Retrieval and Recommendation (CaRR’13)
ACM SAC 2013 Track on Recommender Systems: Theory and Applications (Senior PC member)
ACM RecSys 2012 Workshop on Interfaces for Recommender Systems (InterfaceRS’12)
ACM RecSys 2012 Workshop on Human Decision Making in Recommender Systems (Decisions@RecSys’12)
ECAI 2012 6th Multidisciplinary Workshop on Advances in Preference Handling (M-PREF’12)
ACM SIGKDD 2012 International Workshop on Context Discovery and Data Mining (ContextDD’12)
2012 ACM Conference on Recommender Systems (ACM RecSys’12)
2012 International Conference on User Modeling, Adaptation, and Personalization (UMAP’12)
2012 ACM IUI Workshop on Context-Awareness in Retrieval and Recommendation (CaRR’12)
2012 8th International Conference on Web Information Systems and Technologies (WEBIST’12)
2012 International Conference on Advances in Social Networks Analysis and Mining (ASONAM’12) (as Meta-Reviewer)
2012 ACM SIGHIT International Health Informatics Symposium (IHI’12)
2011 IEEE CPSCom Workshop on Sensing, Networking, and Computing with Smartphones (PhoneCom’11)
2011 ACM Conference on Information and Knowledge Management (CIKM’11)
2011 IEEE International Conference on e-Business Engineering (ICEBE’11)
2011 ACM RecSys Workshop on Human Decision Making in Recommender Systems
2011 ACM Conference on Recommender Systems (ACM RecSys’11)
2011 ACM Conference on Human Factors in Computing Systems (CHI’11), Special Interest Groups
2011 DASFAA Workshop on Social Networks and Social Media Mining on the Web (SNSMW’11)
2011 ACM IUI Workshop on Context-Awareness in Retrieval and Recommendation (CaRR’11)
2011 International Conference on Intelligent User Interfaces (IUI’11)
2011 International Conference on Advances in Social Networks Analysis and Mining (ASONAM’11)
2010 International Conference on Active Media Technology and Brain Informatics (AMT-BI’10)
2010 ACM RecSys Workshop on Context-Aware Movie Recommendation
2010 ECAI Workshop on Explanation-Aware Computing (ExaCt’10)
2010 ACM Conference on Recommender Systems (ACM RecSys’10)
2010 International Conference on User Modeling, Adaptation, and Personalization (UMAP’10)
2010 International Conference on Intelligent User Interfaces (IUI’10)
2009 International Conference on Active Media Technology and Brain Informatics (AMT-BI’09)
2009 ACM Conference on Recommender Systems (ACM RecSys’09)
2009 ACM Conference on Electronic Commerce (ACM EC’09)
2009 IJCAI Workshop on Explanation-Aware Computing (ExaCt’09)
2009 International Conference on Intelligent User Interfaces (IUI’09)

Invited Reviewer

Human–Computer Interaction, 2022
ACM Transactions on Human-Robot Interaction (THRI), 2021
ACM Transactions on Computer-Human Interaction (TOCHI), 2021
ACM Transactions on Interactive Intelligent Systems (TIIS), 2011-2019 (Distinguished Reviewer)
ACM Transactions on Intelligent Systems and Technology (TIST), since 2013
The Journal of Web Science, 2016
IxD&A Journal, focus section on “Emotions and Personality in Personalized Systems”, 2016
Journal of Computer Science and Technology, 2016
Neurocomputing, 2016
2016 19th ACM Conference on Computer Supported Cooperative Work and Social Computing (CSCW’16)
Recommender Systems Handbook, 2nd Edition, 2014
IEEE Transactions on Knowledge and Data Engineering (TKDE), 2014
User Modeling and User-Adapted Interaction Journal (UMUAI), since 2014
ACM Transactions on Intelligent Systems and Technology (TIST), Special Issue on Recommender System Benchmarking, 2014
Knowledge-Based Systems Journal, since 2014
2014 International Conference on Intelligent User Interfaces (IUI’14)
IEEE Intelligent Systems, 2013
ACM Transactions on Internet Technology (TOIT), 2013
Journal of Intelligent Information Systems (JIIS), 2013
ACM Transactions on Knowledge Discovery from Data (TKDD), 2012
2013 ACM Conference on Human Factors in Computing Systems (CHI’13)
2013 ACM International Conference on Intelligent User Interfaces (IUI’13)
IEEE Transactions on Knowledge and Data Engineering (TKDE), 2012
Journal of Research and Practice in Information Technology, 2012
User Modeling and User-Adapted Interaction Journal (UMUAI), 2012
IEEE Transactions on Multimedia, 2012
Information Sciences: An International Journal, 2011
Springer World Wide Web Journal, 2011
ACM Transactions on Interactive Intelligent Systems, Special Issue on Eye Gaze in Intelligent Human-Machine Interaction, 2011
ACM Transactions on Intelligent Systems and Technology, Special Issue on Context-Aware Movie Recommendation, 2011
Journal of Social Network Analysis and Mining, 2010, 2012
Expert Systems, the Journal of Knowledge Engineering, 2010, 2012
ACM Transactions on Intelligent Systems and Technology, 2010
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics, 2010, 2012
2010 ACM Conference on Human Factors in Computing Systems (CHI’10)
2008 International Conference on Intelligent User Interfaces (IUI’08)
ACM Transactions on Computer-Human Interaction (TOCHI), special issue on Data Mining for Understanding User Needs, 2008
2008 ACM Conference on Recommender Systems (ACM RecSys’08)
International Journal of Electronic Commerce (IJEC), special issue on Recommender Systems, 2007
IEEE Intelligent Systems, special issue on Recommender Systems, 2007
2007 International Conference on User Modeling (UM’07)

Talk

"Leveraging Personalized Recommendations and Conversational AI to Enhance Music-Based Self-Awareness andReminiscence", Invited Talk at the School of Psychology and Cognitive Science, Peking University, Beijing, China, December 10, 2024
"A User-Centric Approach to Developing Trustworthy Recommender Systems", Invited Talk at the 2nd Macau Symposium on Data Science (MSDS 2024), Macau, China, November 25, 2024
"From Music to Reminiscence: Leveraging Conversational AI and Personalized Recommendation to Promote Psychological Well-Being", Invited Talk at the Jockey Club SMART Family-Link Project International Conference 2024 "Innovation for Well-being: Embracing Digital Transformation", Hong Kong, China, August 15-16, 2024
“我的跨学科研究之路”, Keynote at Microsoft Ada Workshop, Beijing, China, April 8, 2023
“Building User Trust in Recommender Systems: Progress and Challenges”, Invited Talk at the School of Computer Science, University College Cork, Ireland, November 11, 2022
“Building User Trust in Recommender Systems: Progress and Challenges”, Keynote at “Women in RecSys” in connection with the ACM RecSys 2022, September 14, 2022
“Promoting User Trust in Recommender Systems: Progress and Challenges”, Invited Talk at Harbin Engineering University, Harbin, China, July 28, 2022,
“How Serendipitous Recommendation Influences User Satisfaction with Recommender Systems”, Invited Talk at the YOCSEF Forum on Personalized Recommendation, Changsha, China, August 28, 2021
“How AI-powered Personalized Learning will Reshape Education?”, Invited Talk at the Huawei Workshop on AI-powered Personalized Education, Beijing, China, June 29, 2021
“Conversational Recommender Systems”, Tutorial at the 30th International Joint Conference on Artificial Intelligence (IJCAI 2021), August 19, 2021 (Slides)
“Understanding User Feedback on Recommendations in Conversational Systems”, Keynote at the 6th Workshop on Context-Aware Recommender Systems (CARS 2020), in conjunction with RecSys 2020, September 25, 2020 (Slides)
“User-Centric Design and Evaluation of Explanation for Recommendation”, Keynote at the 3rd Workshop on Explainable Recommendation and Search (EARS 2020), in conjunction with SIGIR 2020, July 30, 2020 (Slides)
“Personalizing Recommendation Diversity based on User Personality”, Keynote in the 2nd Sino-Swiss Artificial Intelligence Conference, Beijing, China, September 21, 2018
“Personality in Recommender Systems”, Keynote in 3rd Workshop on Emotions and Personality in Personalized Systems (EMPIRE’15), in conjunction with 9th ACM Conference on Recommender Systems, Vienna, Austria, September 19, 2015
“Critiquing-based Recommender Systems and User Experiences”, Keynote in CCF Advanced Disciplines Lectures “Recommender Systems”, Beijing, China, Dec. 17-18, 2013 (Slides)
“Recommending Interest Groups to Social Media Users by Incorporating Heterogeneous Resources”, In 26th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE’13), Amsterdam, Netherlands, June 20, 2013
“Recommendation for New Users with Partial Preferences by Integrating Product Reviews with Static Specifications”, In 21st Conference on User Modeling, Adaptation and Personalization (UMAP’13), Rome, Italy, June 11, 2013
“Critiquing for Group Recommenders in Mobile Social Network”, 2011 Nokia Academic Symposium, Beijing, China, November 15, 2011
“Users Decision Behavior in Recommender Interfaces: Impact of Layout Design”, In ACM Conference on Recommender Systems (RecSys’11), Workshop on Human Decision Making in Recommender Systems, Chicago, USA, Oct. 27, 2011.
“Comparison of Model-Based Learning Methods for Feature-Level Opinion Mining”, In 2011 IEEE/WIC/ACM International Conference on Web Intelligence (WI’11), Lyon, France, August 25, 2011
“Understanding Users for Building More Intelligent Recommender Systems”, Web Sciences Center, University of Electronic Science and Technology of China, August 18, 2011
“Social Opinion based Recommender Systems”, Nokia Beijing Research Center, April 22, 2011
“Towards Three-Stage Recommender Support for Online Consumers: Implications from a User Study”, In 2010 International Conference on Web Information System Engineering (WISE’10), Hong Kong, China, December 14, 2010
“Empirical Study of Social Features’ Roles in Buyers’ Complex Decision Making”, In 2010 International Conference on Advances in Social Networks Analysis and Mining (ASONAM’10), Odense, Denmark, August 9, 2010
“Organization-based Recommender Interface: Design and Experiments”, School of Information Sciences and Engineering, Lanzhou University, Lanzhou, China, April 9, 2010
“User Interface Issues in Preference-based Recommender Systems”, International WIC Institute, Beijing University of Technology, Beijing, China, June 27, 2009
“User Decision Improvement and Trust Building in Product Recommender Systems”, Department of Computer Science, Hong Kong Baptist University, November 10, 2008
“User Decision Improvement and Trust Building in Product Recommender Systems”, IBM China Research Laboratory, Beijing, China, September 11, 2008
Conference presentations: IUI’10, RecSys’09, RecSys’08, IUI’07, UM’07, IUI’06, AAAI’06 (poster), ICETE’05 workshop (see publications)