Service to Professional Organization

2020-~ Programme Director, Special Project, School of Computer Science and Engineering, NTU
2017-~ Research Lead, Computational Intelligence Group, School of Computer Science and Engineering, NTU
2019-~ Appraisal Committee Member - ACM (Research), School of Computer Science and Engineering, NTU
2015-~ Deputy Director, SIMTech-NTU Joint Lab on Complex Systems, NTU
2020-~ Adjunct Fellow, Singapore Institute of Manufacturing Technology (SIMTech), A*STAR
2022-~ Board Member, NOLF Governing Board
2021-~ Director at Large, User Modeling Inc.
2021-~ ACM RecSys Steering Committee Member
2022-~ Chair of Autonomous Manufacturing Subcommittee, Research Alliance in Advanced Manufacturing
2022-~ Member of Smart Manufacturing Technical Committee (SMTC), Singapore Manufacturing Federation - Standards Development Organisation (SMF-SDO)

2018-2020 Working Committee Member, AI Partnership with A*STAR and SUTD
2016-2020 SAG Lead, Programme Management Committee, School of Computer Science and Engineering, NTU
2015-2020 Finance, IFIP Trust Management Working Group (WG11.11)
2017-2018 Council Steering Committee (CSC) Member, Asia Big Data Association (ABDA)
2015-2019 Member, Examinations Committee, School of Computer Engineering, NTU
2013-2018 Academic Fellow, Institute on Asian Consumer Insight (ACI)
2016 Member, Judging Committee for the SIMTech Best Student Award
2013-2014 Chair, IEEE CIS ETTC Task Force on Intelligent Agent
2013-2014 Member, IEEE Computational Intelligence Society (CIS) ETTC
  Journal Editorial Board

Senior Editor, Electronic Commerce Research and Applications (ECRA)
Associate Editor, ACM Transactions of Recommender Systems
Associate Editor, IEEE Transactions on Services Computing
Associate Editor, Computational Intelligence journal
Editorial Board, Multiagent and Grid Systems - An International Journal
Review Editor, Frontiers in Artificial Intelligence - AI for Human Learning and Behavior Change
Lead Guest Editor, ACM Transactions of Recommender Systems Special Issue on WWW'23 Extended Papers

Associate Editor, IEEE Transactions on Network and Service Management (TNSM)
Associate Editor, IEEE Transactions on Cognitive and Developmental Systems (IEEE TCDS)
Guest Editor for IEEE Transactions on Network and Service Management Special Issue on Latest Developments for Security Management of Networks and Services
Lead Guest Editor for ACM Transactions on Internet Technology Theme Section on Trust and AI
Lead Guest Editor for Electronic Commerce Research and Applications (ECRA) Special Issue on Recommender Systems with Side Information
Guest Editor for ACM Transactions on Internet Technology (TOIT) Special Issue on Trust in Social Networks and Systems
Guest Editor for Special issue of Computational Intelligence journal on "Incentives and Trust in E-Commerce"
Lead Guest Editor for Journal of Trust Management Special Issue on Incentives and Trust in E-Communities
Guest Editor and Co-Founder of Journal of Internet Services and Information Security (JISIS), Cloud Computing Special Issue
Editorial Board, International Journal of Sustainable Cities and Society
Assistant Editor, Journal of Trust Management
  Conference and Workshop Organizing Committee

2024 AI in Multi-agents and Robotic Systems Co-chair for IEEE Conference on Artificial Intelligence (IEEE CAI)
2023 General Co-Chair for 17th ACM Recommender Systems Conference (RecSys)
2023 Track Co-Chair for User Modeling and Personalization Research Track of The ACM Web Conference 2023
2023 Industry and Outreach Co-Chair for International Conference on AI in Medicine (iAIM)
2023 Co-Chair for WSDM Workshop on Interactive Recommender System
2021 Track Chair for Personalized Social Web Track of 29th ACM Conference on User Modelling, Adaptation and Personalization (ACM UMAP)
2021 Co-Chair for 22nd International Workshop on Trust in Agent Societies (TRUST) at 20th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2019 Demo Co-Chair for 29th International Joint Conference on Artificial Intelligence (IJCAI)
2019 Trust Track Chair and Country Chair for 17th International Conference on Privacy, Security and Trust (PST)
2019 Co-Chair for 21st International Workshop on Trust in Agent Societies (TRUST) at 18th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2019 Tutorial Co-Chair for 19th International Conference on Web Engineering (ICWE)
2019 Co-Chair for 1st IEEE ICDM Workshop on Autonomous Machine Learning (AML)
2018 General Co-Chair for 26th ACM Conference on User Modelling, Adaptation and Personalization (ACM UMAP)
2018 Steering Committee Memeber for 20th International Workshop on Trust in Agent Societies held together with AAMAS/IJCAI/ECAI/ICML joint conference (TRUST)
2017 Sponsorship Co-chair for 16th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2017 Co-Chair for 19th International Workshop on Trust in Agent Societies (TRUST) at 16th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2017 Co-Chair for Workshop on Recommender Systems for Citizens at 11th ACM Conference on Recommender Systems (RecSys)
2016 Publications Chair and Local Organizing Committee Member for 15th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2016 Workshop and Tutorial Chair for 24th ACM Conference on User Modelling, Adaptation and Personalization (ACM UMAP)
2016 Trust Track Co-Chair and Country Chair for 14th International Conference on Privacy, Security and Trust (PST)
2016 Co-Chair for 18th International Workshop on Trust in Agent Societies (TRUST) at 15th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2016 Co-Chair for 5th Workshop on Incentive and Trust in E-Communities (WIT-EC) at the 30th AAAI Conference on Artificial Intelligence (AAAI'16) in Phoenix, Arizona USA!
2015 PC Co-Chair for IEEE/WIC/ACM Conference on Web Intelligence (WI)
2015 PC Co-Chair of Trust Theme for 13th International Conference on Privacy, Security and Trust (PST)
2015 Graduate Symposium Chair for the 9th IFIP International Conference on Trust Management (IFIPTM)
2015 Co-Chair for 4th Workshop on Incentives and Trust in E-Communities (WIT-EC) at the 29th AAAI Conference on Artificial Intelligence (AAAI'15) in Austin, USA!
2014 General Co-Chair for 8th IFIP International Conference on Trust Management (IFIPTM 2014)
2014 Co-Chair for 3rd Workshop on Incentives and Trust in E-Communities (WIT-EC) at the Twenty-Eighth AAAI Conference on Artificial Intelligence (AAAI'14) in Quebec, Canada!
2014 Co-Chair for the Invited Session on Multiagent Systems for Industrial Applications at the 18th Asia Pacific Symposium on Intelligent and Evolutionary Systems (IES 2014)
2014 Publicity Co-Chair for 12th International Conference on Privacy, Security and Trust (PST)
2013 Co-Chair for the 2nd International Workshop on Incentives and Trust in E-Commerce (WIT-EC) at the 23rd International Joint Conference on Artificial Intelligence (IJCAI)
2013 Co-Chair for the 3rd International Workshop on Trust, Reputation and User Modeling (TRUM) at the 21st International Conference on User Modeling, Adaptation and Personalization (UMAP)
2013 Technical Program Chair of Trust Theme for 11th International Conference on Privacy, Security and Trust (PST)
2013 Publicity Chair for International Conference on Social Intelligence and Technology (SOCIETY'13)
2012 Co-Chair for the International Workshop on Incentives and Trust in E-Commerce (WIT-EC) at ACM Conference on Electronic Commerce (EC'12)
2012 Co-Chair for the 2nd International Workshop on Trust, Reputation and User Modeling (TRUM) at User Modeling, Adaptation and Personalization (UMAP'12)
2012 Sponsorship Chair for the 15th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA)
2012 Publicity Chair for the 6th IEEE International Conferences on Self-Adaptive and Self-Organizing Systems (SASO)
2012 Publicity Chair and Scientific Committee Member for the 3rd International Neural Network Society Winter Conference (INNS-WC)
2011 Co-Chair for International Workshop on Trust, Reputation and User Modeling (TRUM) at User Modeling, Adaptation and Personalization (UMAP'11)
2010 Associate Editor (AE) for International Conference on Information Systems (ICIS)
2010 Publication & Publicity Chair for 8th International Conference on Privacy, Security and Trust (PST)
  Conference Program Committee

2024 Senior Program Committee member for 38th AAAI Conference on Artificial Intelligence (AAAI)
2024 Senior Program Committee Member for 33rd International Joint Conference on Artificial Intelligence (IJCAI)
2024 Area Chair for User Modeling and Recommendation Track of The ACM Web Conference
2024 Senior Program Committee Member for 23rd International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS)
2024 Senior Program Committee Member for 18th ACM Recommender Systems Conference (RecSys)
2023 Senior Program Committee Member for 32nd International Joint Conference on Artificial Intelligence (IJCAI)
2023 Senior Program Committee member for 37th AAAI Conference on Artificial Intelligence (AAAI)
2023 Program Committee member for 22nd International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2023 Program Committee member for SIAM International Conference on Data Mining (SDM)
2022 Senior Program Committee member for 36th AAAI Conference on Artificial Intelligence (AAAI)
2022 Senior Program Committee Member for 16th ACM Recommender Systems Conference (RecSys)
2022 Program Committee member for 19th Annual International Conference on Privacy, Security, and Trust (PST)
2022 Program Committee member for ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD)
2022 Program Committee member for 30th ACM Conference on User Modeling, Personalization and Adaptation (UMAP)
2021 Senior Program Committee member for 35th AAAI Conference on Artificial Intelligence (AAAI)
2021 Senior Program Committee member for 20th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2021 Senior Program Committee Member for 15th ACM Recommender Systems Conference (RecSys)
2021 Program Committee member for 37th Conference on Uncertainty in Artificial Intelligence (UAI)
2021 Program Committee Member for 31st International Joint Conference on Artificial Intelligence (IJCAI) Demo Track
2020 Program Committee member for 34th AAAI Conference on Artificial Intelligence (AAAI)
2020 Program Committee Member for 14th ACM Recommender Systems Conference (RecSys)
2020 Program Committee member for 14th IFIP International Conference on Trust Management (IFIPTM)
2020 Program Committee Member for 30th International Joint Conference on Artificial Intelligence (IJCAI)
2020 Program Committee Member for 30th International Joint Conference on Artificial Intelligence (IJCAI) Demo Track
2020 Program Committee Member for 29th ACM International Conference on Information and Knowledge Management (CIKM) Poster and Demo Track
2019 Senior Program Committee Member for 29th International Joint Conference on Artificial Intelligence (IJCAI)
2019 Program Committee member for 33rd AAAI Conference on Artificial Intelligence (AAAI)
2019 Program Committee member for 18th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2019 Program Committee Member for 13th ACM Recommender Systems Conference (RecSys)
2018 Senior Program Committee Member for 28th International Joint Conference on Artificial Intelligence (IJCAI)
2018 Program Committee member for 32nd AAAI Conference on Artificial Intelligence (AAAI)
2018 Program Committee member for 17th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2018 Program Committee member for 27th World Wide Web (WWW) Conference Crowdsourcing and Human Computation for the Web Track
2018 Program Committee Member for 12th ACM Recommender Systems Conference (RecSys)
2018 Program Committee member for 12th IFIP International Conference on Trust Management (IFIPTM)
2018 Program Committee member for 20th International Workshop on Trust in Agent Societies held together with AAMAS/IJCAI/ECAI/ICML joint conference (TRUST)
2017 Program Committee member for 31st AAAI Conference on Artificial Intelligence (AAAI)
2017 Program Committee Member for 27th International Joint Conference on Artificial Intelligence (IJCAI)
2017 Program Committee Member for 37th IEEE International Conference on Distributed Computing (ICDCS)
2017 Program Committee Member for 11th ACM Recommender Systems Conference (RecSys)
2017 Program Committee member for 25th ACM International Conference on User Modeling, Adaptation and Personalization (ACM UMAP)
2017 Program Committee member for 25th ACM UMAP Demo, Theory, Opinion and Reflection (TOR), and Late-Breaking Results (LBR) track
2017 Program Committee member for 26th ACM International Conference on Information and Knowledge Management (CIKM) Demo track
2017 Program Committee member for 11th IFIP International Conference on Trust Management (IFIPTM)
2016 Program Committee Member for 26th International Joint Conference on Artificial Intelligence (IJCAI)
2016 Program Committee member for 30th AAAI Conference on Artificial Intelligence (AAAI)
2016 Program Committee member for 15th International Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2016 Senior Program Committee member of 19th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA)
2016 Program Committee member for 24th ACM International Conference on User Modeling, Adaptation and Personalization (ACM UMAP)
2016 Program Committee member for 10th IFIP International Conference on Trust Management (IFIPTM)
2015 Program Committee Member for 25th International Joint Conference on Artificial Intelligence (IJCAI)
2015 Program Committee member for 14th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2015 Program Committee member for 29th AAAI Conference on Artificial Intelligence (AAAI)
2015 Senior Program Committee (PC) of 18th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA)
2015 Program Committee member for 23rd Conference on User Modelling, Adaptation and Personalization (UMAP)
2015 Program Committee member for late breaking results track of the 23rd Conference on User Modelling, Adaptation and Personalization (UMAP)
2015 Program Committee member for poster and demo track of the 23rd Conference on User Modelling, Adaptation and Personalization (UMAP)
2015 Program Committee member for ACM Recommender System conference (RecSys)
2015 Program Committee member for 8th IEEE International Conference on Internet of Things (iThings)
2015 Program Committee member for 10th ACM Symposium on Information, Computer and Communications Security (ASIACCS)
2015 Program Committee member for IEEE International Conference on Self-Adaptive and Self-Organizing Systems (SASO)
2015 Program Committee member for IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT)
2015 Program Committee member for 9th IFIP International Conference on Trust Management (IFIPTM)
2015 Program Committee member for IEEE 18th International Conference on Intelligent Transportation Systems (ITSC)
2015 Program Committee member for 1st International Conference on Information Systems Security and Privacy (ICISSP)
2014 Senior Program Committee (PC) of 17th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA)
2014 Program Committee member for Twenty-Eighth AAAI Conference on Artificial Intelligence (AAAI)
2014 Program Committee member for Thirteenth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2014 Program Committee member for 22nd Conference on User Modeling, Personalization and Adaptation (UMAP)
2014 Program Committee member for ACM Recommender System conference (RecSys)
2014 Program Committee member for IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT)
2014 Program Committee member for International Conference on Privacy, Security and Trust (PST)
2014 Program Committee member for 17th International Workshop on Trust in Agent Societies held together with AAMAS (TRUST 2014)
2014 Program Committee member for 10th International Workshop on Security and Trust Management (STM)
2014 Program Committee member for IEEE International Conference on Self-Adaptive and Self-Organizing Systems (SASO)
2014 Program Committee member for IEEE ISSNIP 2014 - Symposium on Security, Privacy and Trust for Cyber-Physical Systems
2014 Program Committee member for 18th Asia Pacific Symposium on Intelligent and Evolutionary Systems (IES)
2014 Program Committee member for IEEE Symposium Series on Computational Intelligence (SSCI) Doctoral Consortium
2013 Senior Program Committee Member for 16th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA)
2013 Program Committee Member for 23rd International Joint Conference on Artificial Intelligence (IJCAI)
2013 Program Committee Member for 27th AAAI Conference on Artificial Intelligence (AAAI)
2013 Program Committee Member for the Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2013 Program Committee Member for the 7th IEEE International Conferences on Self-Adaptive and Self-Organizing Systems (SASO)
2013 Program Committee Member for 21st conference on User Modeling, Adaptation and Personalization (UMAP) Doctoral Consortium Track
2013 Program Committee Member for IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT)
2013 Program Committee Member for 15th International Conference on Information and Communications Security (ICICS)
2013 Program Committee Member for IEEE International Conference on Internet of Things (iThings) track on "Reliability, Security, Privacy and Trust"
2013 Program Committee Member for International Conference on Ageless Aging (ICAA)
2013 Program Committee Member for 2nd International Symposium on Privacy and Security in Cloud and Social Networks (PriSec)
2013 Program Committee Member for International Conference on Web Intelligence, Mining and Semantics (WIMS)
2013 Program Committee Member for Asian Conference on Availability, Reliability and Security (AsiaARES)
2012 Program Committee Member for 20th conference on User Modeling, Adaptation and Personalization (UMAP)
2012 Program Committee Member for 20th conference on User Modeling, Adaptation and Personalization (UMAP) Doctoral Consortium Track
2012 Program Committee Member for 20th conference on User Modeling, Adaptation and Personalization (UMAP) Poster and Demo Track
2012 Program Committee Member for 9th International Conference on Service Computing (IEEE SCC) Industry Track
2012 Program Committee Member for IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT)
2012 Program Committee Member for the 9th International Conference on Mobile Web Information Systems (MobiWIS)
2012 Program Committee Member for International Conference on Privacy, Security and Trust (PST)
2012 Program Committee Member for International Conference on Web Intelligence, Mining and Semantics (WIMS)
2012 Program Committee Member for 2012 Global Marketing Conference session on Asian Consumer Insight
2012 Program Committee Member for International Symposium on Privacy and Security in Cloud and Social Networks (PriSecCSN)
2011 Program Committee Member for the Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2011 Program Committee Member for 8th Extended Semantic Web Conference (ESWC)
2011 Program Committee Member for International Conference on Web Intelligence, Mining and Semantics (WIMS)
2011 Program Committee Member for Fifth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS)
2011 Program Committee Member for Fifth International Conference on Complex, Intelligent, and Software Intensive Systems (CISIS)
2011 Program Committee Member for IEEE International Workshop on Trust and Security in Cloud Computing (IEEE TSCloud)
2011 Program Committee Member for IEEE International Conference on Internet of Things (iThings)
2010 Program Committee Member for IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT)
2010 Program Committee Member for 24th AAAI Conference on Artificial Intelligence (AAAI)
2010 Program Committee Member for 7th Extended Semantic Web Conference

  
  Journal and Grant Proposal Reviewer

2016 Reviewer for IEEE Transactions on Learning Technologies
2016 Reviewer for Journal of Autonomous Agents and Multi-Agent Systems
2015 External Reviewer for NSERC Discovery Grant proposal
2014 Reviewer for Artificial Intelligence
2014 Reviewer for Decision Support Systems
2014 Reviewer for User Modeling and User-Adapted Interaction
2014 Reviewer for ACM Transactions on Internet Technology (TOIT)
2014 Reviewer for ACM Transactions on the Web (TWEB)
2014 Reviewer for IEEE Transactions on Dependable and Secure Computing
2014 Reviewer for Annals of Mathematics and Artificial Intelligence
2014 Reviewer for Pervasive and Mobile Computing
2014 Reviewer for ACM Transactions on Information Systems (TOIS)
2014 Reviewer for Computer Networks Journal
2014 Reviewer for IEEE Transactions on Knowledge and Data Engineering
2014 Reviewer for IEEE Transactions on Wireless Communications
2014 Reviewer for Electronic Commerce Research and Applications (ECRA)
2014 Reviewer for Web Intelligence and Agent Systems (WIAS)
2013 Reviewer for IEEE Transactions on Service Computing
2013 Reviewer for Electronic Commerce Research and Applications (ECRA)
2013 Reviewer for Computational Intelligence journal
2012 Reviewer for ACM Transactions on Interactive Intelligent Systems (ACM TiiS)
2012 Reviewer for ACM Transactions on Internet Technology (TOIT)
2012 Reviewer for ACM Transactions on Intelligent Systems and Technology (ACM TIST)
2012 Reviewer for IEEE Transactions on Information Forensics & Security
2012 Reviewer for Journal of Theoretical and Applied Electronic Commerce Research (JTAER)
2012 Reviewer for Applied Mathematical Modelling (AMM)
2012 Reviewer for IEEE Transactions on Network and Service Management (TNSM)
2012 Reviewer for Computer Networks (COMNET)
2012 Reviewer for Security and Communication Networks
2012 Reviewer for Singapore Millennium Foundation Research Grant Proposal
2011 Reviewer for Artificial Intelligence - An International Journal
2011 Reviewer for Information Processing Letters
2011 Reviewer for ACM Transactions on Intelligent Systems and Technology (ACM TIST)
2011 Reviewer for IEEE Transactions on Service Computing
2011 Reviewer for Security and Communication Networks
2011 Reviewer for Journal of Theoretical and Applied Electronic Commerce Research (JTAER)
2011 Reviewer for International Journal of Computers and Applications
2011 Reviewer for Netherlands Organisation for Scientific Research (NWO) Free Competition 2010 EW Research Proposal
2010 Reviewer for The Computer Journal
2010 Reviewer for IEEE Computational Intelligence Magazine
2010 Reviewer for IEEE Transactions on Knowledge and Data Engineering (TKDE)
2010 Reviewer for Journal of Autonomous Agents and Multi-Agent Systems
2010 Reviewer for Computational Intelligence Journal
2010 Reviewer for Journal of Theoretical and Applied Electronic Commerce Research (JTAER)
2010 Reviewer for Workshop on Trustworthy Self-Organizing Systems (TSOS)
2009 Reviewer for Transactions on Services Computing
2009 Reviewer for the Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2008 Reviewer for IEICE Transactions on Communications
2008 Reviewer for the International Conference on Ubiquitous Computing
2008 Reviewer for the Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2007 Reviewer for the Twenty-Second Conference on Artificial Intelligence (AAAI)
2007 Auxiliary Reviewer for the 6th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS)
2006 Reviewer for the Electronic Commerce Research and Applications journal
2006 Reviewer for the Canadian Semantic Web Working Symposium 		 
  Keynote Speech, Invited Talks and Tutorials

2023 Invited Talk at University of Waterloo, Canada
Exploiting Human Trust to Improve Recommender Systems

2023 Invited Talk at Nanhang University, China
Robust Trust Management for Open and Distributed Networks

2023 Invited Talk at Anhui University, China
Exploiting Human Trust to Improve Recommender Systems

2023 Invited Talk at Beijing University of Posts and Communications, China
Robust Trust Management for Open and Distributed Networks

2022 Invited Talk at Guangzhou University, China
Robust Trust Management for Open and Distributed Networks

2022 Invited Talk at Nanhang University, China
Exploiting Human Trust to Improve Recommender Systems

2021 keynote Speech at 18th International Conference on Privacy, Security and Trust (PST) in Auckland, New Zealand
Robust Trust Management for Open and Distributed Networks

2021 keynote Speech at 6TH International Workshop on Human Aspects in Adaptive and Personalized Interactive Environments (HAAPIE) held in conjunction with ACM UMAP
Exploiting Human Trust to Improve Recommender Systems

2021 keynote Speech at 7TH IEEE/IFIP Workshop on Security for Emerging Distributed Network Technologies (DISSECT)
Robust Trust Management for Open and Distributed Networks

2020 keynote Speech at 20th IEEE International Conference on Data Mining (ICDM) Workshop on Advanced Neural Algorithms and Theories for Recommender Systems (NeuRec)
Deep Learning-Based Recommendation Models with Side Information

2020 keynote Speech at 9th IEEE International Conference on Cloud Networking (CloudNet)
Robust Trust Management for Cloud Service Provisioning

2020 keynote Speech at Huawei Forum on Digital Future (Digital Future, Win by Trust)
Modeling of Trust and Reputation

2017 Invited Talk at DAIICT-NTU India Connect Workshop on Data Sciences, Gandhinagar, India
Trust Management and Its Applications

2013 Talk at University of Waterloo
Robust Trust Management and its Applications

2011 Tutorial on Designing Adaptive Social Applications at User Modeling, Adaptation and Personalization 2011 conference, co-presented with Professor Julita Vassileva

2010 Tutorial on Designing Adaptive Social Applications at User Modeling, Adaptation and Personalization 2010 conference, co-presented with Professor Julita Vassileva

2009 Invited Talk at University of Saskachewan
Promoting Honesty in Electronic Marketplaces: Combining Trust Modeling and Incentive Mechanism Design

2007 Invited Talk at Cheriton Research Symposium, University of Waterloo
Design of a Trust-Based Incentive Mechanism for Promoting Honesty in E-Marketplaces
  
  Volunteer at Conferences

2016/2012/2011 Mentor at Doctoral Symposium of the User Modeling, Adaptation and Personalization conference

2010 Session Chair at Fifth International Wireless Internet Conference (WICON 2010), Singapore

2007 Joint Conference on Autonomous Agents and Multiagent Systems, Hawaii, USA

2007 AAAI Spring Symposium, Stanford University, USA

2004 Conference on Privacy, Security and Trust, New Brunswick, Canada