Program Co-chair, International Symposium on Neural Networks (ISNN2014), Dec. 8-10, 2014, Macau and Hong Kong

Invited Speaker, Workshop on Living Analytics: Analyzing High-Dimensional Behavioral and Other Data from Dynamic Network Environments (LARC-NUS-IMS), February 27-28, 2014, Singapore [ Presentation ]

General Co-Chair, The 7th ACM Conference on Recommender Systems (RecSys2013), Sept/Oct 2013, Hong Kong

TPC, The 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2013), Niagara Falls, Ontartio, Canada 25-28 August 2013.

Keynote, Asia Modelling Symposium (AMS2013), Hong Kong, 23 – 25 July 2013.

Demo Track Co-Chair, World Wide Web Conference (WWW2013), May 13-17, 2013, Rio de Janeiro, Brazil

TPC, 2013 SIAM INternational Conference on Data Mining (SDM2013), May 2-4, 2013, Austin, Texas, USA

TPC, Sixth ACM International Conference on Web Search and Data Mining (WSDM2013), February 5-8, 2013, Rome, Italy

TPC, The 8th International Conference on Advanced Data Mining and Applications (ADMA 2012), December 15-18, 2012, Nangjing, China.

SPC, The 4th Asia Conference on Machine Learning (ACML2012), November 4-6, 2012, Singapore.

TPC, International ACM Workshop on Crowdsourcing for Multimedia (CrowdMM 2012)held in conjunction with ACM Multimedia 2012, Oct. 29-Nov. 2, 2012, Nara, Japan.

TPC, The 21st ACM International Conference on Information and Knowledge Management (CIKM2012), Oct. 29 - Nov. 2, 2012, Maui, Hawaii, USA

Keynote, IADIS International Conference on WWW/Internet (WWW/Internet 2012), Madrid, Spain, October 18-21, 2012

TPC, IADIS International Conference on WWW/Internet (WWW/Internet 2012), Madrid, Spain, October 18-21, 2012

Keynote, The 6th International Conference on Advances in Information Technology (IAIT2012), Bangkok, Thailand, October-November, 2012.

General Co-Chair, The 2nd International Conference on Social Computing and Its Applications (SCA2012), Xiangtan, Hunan, China, November 1-3, 2012.

TPC, The 1st International Workshop on Online Social Systems (WOSS 2012) in conjunction with the 38th International Conference on Very Large Databases (VLDB 2012), Istanbul, Turkey, August 27-31, 2012

General Co-Chair, The 2012 International Conference on Advances in Social Networks Analysis and Mining (ASONAM2012), Istanbul, Turkey, August 26-29, 2012.

TPC, The 2nd Workshop on Social Network Analysis in Applications (SNNA2012), Istanbul, Turkey, 26-29 August, 2012

TPC, Research Track, The 18th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2012), Beijing, China, August 12-16, 2012.

Workshop PC, The 18th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD Workshop), Beijing, China, August 12-16, 2012.

TPC, The ACM SIGIR Conference (SIGIR2012), August 12-16, 2012, Portland, USA

TPC, Conference on Empirical Methods in Natural Language Processing and Natural Language Learning (emnlp-conll2012), Jeju, Korea, July 12–14, 2012.

TPC, International Conference on Machine Learning (ICML2012), Edinburgh, Scotland, June 26-July 1, 2012.

TPC, Workshop on Social Computing, Network, and Services (SocialComNet-2012), FutureTech-2012, Vancouver, Canada, June 26-28, 2012.

Tutorial Speaker, 2012 IEEE World Congress on Computational Intelligence (WCCI2012), June 10-15, 2012, Brisbane, Australia.

Tutorial Co-Chair, World Wide Web Conference (WWW2012), April 16-20, 2012, Lyon, France.

Invited Speaker, Social Recommendation at Bay Area Search Meetup, February 22, 2012, eBay Campus, San Jose, CA [ pdf ].

SPC, The Fifth ACM International Conference on Web Search and Data Mining (WSDM2012), February 9-12, 2012, Seattle, USA.

PC, Best Paper Committee, The Fifth ACM International Conference on Web Search and Data Mining (WSDM2012), February 9-12, 2012, Seattle, USA.

Invited Speaker, INNS Workshop on Trends in Natural and Machine Intelligence (TNMI2012), January 20, 2012, Bangkok, Thailand

PC Co-Chair, The 7th International Conference on Advanced Data Mining and Applications (ADMA 2011), December 16-18, 2011, Beijing, China.

General Co-Chair, International Conference on Social Computing and Its Applications (SCA2011), December 12-14, 2011, Sydney, Australia.

Tutorial Speaker, 18th International Conference on Neural Information Processing (ICONIP2011), November 13-18, 2011, Shanghai, China. [ pdf ]

SPC, The 3rd Asia Conference on Machine Learning (ACML2011), November 13-15, 2011, Taoyuan, Taiwan.

TPC, The 2011 Conference on Technologies and Applications of Artificial Intelligence (TAAI2011), November 11-13, 2011, Taoyuan, Taiwan.

TPC, International Conference on Knowledge Discovery and Information Retrieval (KDIR2011), October 26-29, 2011, Paris, France.

TPC, ACM 20th ACM International Conference on Information and Knowledge Management (CIKM2011), October 24-28, 2011, Glasgow, UK

General Co-Chair, The 4th IEEE International Conference on Cyber, Physical and Social Computing (CPSCom 2011), October 19-22, 2011, Dalian, China

TPC, Third World Congress on Nature and Biologically Inspired Computing (NaBIC 2011), October 19-21, 2011, Salamanca, Spain

TPC, Third International Conference on Computational Aspects of Social Networks (CSCoN 2011), October 19-21, 2011, Salamanca, Spain

TPC, 7th International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom2011), October 15-18, 2011, Orlando, Florida, USA.

TPC, 3rd International Conference on Social Informatics (SocInfo2011), October 6-8, 2011, Singapore.

Vice-Program Chair, The 8th International Conference on Mobile Web Information Systems (MobiWIS), September 19-21, 2011, Niagara Falls, Ontario, Canada.

TPC, The 17th annual ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD 2011), August 21-24, 2011, San Diego, USA.

TPC, Mining Data Semantics (MDS'11) Workshop at the 17th annual ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD 2011), August 21-24, 2011, San Diego, USA.

SPC, AI and the Web Track, The Twenty-Fifth Conference on Artificial Intelligence (AAAI-11), August 7-11, 2011, San Francisco, USA.

Publicity Chair, International Joint Conference on Neural Networks (IJCNN2011), July 31-August 5, 2011, San Jose, USA.

General Co-Chair of The 3rd Workshop on Social Web Search and Mining (SWSM2011): Analysis of User Generated Content Under Crisis , The 34th Annual ACM SIGIR Conference (SIGIR2011), July 24-28, 2011, Beijing, China.

TPC, First Workshop on Social Network Analysis in Applications (SNAA2011), July 25-27, 2011, Kaohsiung, Taiwan.

TPC, The 2011 Workshop on Social Computing, Network, and Services (SocialComNet-2011) will be held in conjunction with FutureTech-2011, June 28-30, 2011, Crete, Greece.

Finance Chair, The 41st Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN 2011), June 27-30, 2011, Hong Kong

TPC, Workshop on the uses of Agents for Education, Games and Simulations (AEGS2011) in conjunction with the Tenth International Conference on Autonomous Agents and Multiagent Systems (AAMAS2011), May 2-6, 2011, Taipei, Taiwan.

Program Co-Chair, IEEE (SSCI) Symposium Series on Computational Intelligence and Data Mining (CIDM2011), April 11-15, 2011, Paris, France.

TPC Content Analysis Track, World Wide Web Conference (WWW2011), March 28-April 1, 2011, Hyderabad, India.

TPC, International Conference on Social Computing, Behavioral-Cultural Modeling, and Prediction (SBP11), March 28-31, 2011, University of Maryland, College Park, USA.

General Chair, The Fourth ACM International Conference on Web Search and Data Mining (WSDM2011), February 9-12, 2011, Hong Kong.

Invited Talk, The Eighth ICSA International Conference: Frontiers of Interdisciplinary and Methodological Statistical Research (ICSA2010), December 19-22, 2010, Guangzhou, China. (Did not attend due to extenuating circumstances.)

TPC, Computer Vision and Pattern Recognition Track, Asia Pacific Signal and Information Processing Association (APSIPA2010), December 15-17, 2010, Singapore.

Attendee, IEEE Workshop on Spoken Language Technology (SLT2010), December 12-15, 2010, Berkeley, USA.

Workshop Organizer, Workshop on Machine Learning for Social Computing. Twenty-Fourth Annual Conference on Neural Information Processing Systems (NIPS2010), December 11, 2010, Whistler, BC, Canada.

Course Speaker, Introduction to Social Computing. 2010 EII PhD School: Cloud Computing, Service Computing & Social Networks, November 23-27, 2010, Sydney, Australia.

Advisory Board, 17th International Conference on Neural Information Processing (ICONIP2010), November 22-25, 2010, Sydney, Australia.

Session Chair, 17th International Conference on Neural Information Processing (ICONIP2010), November 22-25, 2010, Sydney, Australia.

Keynote Speaker, The Era of Social Computing. The 2010 Conference on Technologies and Applications of Artificial Intelligence (TAAI2010), November 18-20, 2010, Hsinchu, Taiwan.

Program Co-Chair, The 2010 Conference on Technologies and Applications of Artificial Intelligence (TAAI2010), November 18-20, 2010, Hsinchu, Taiwan.

Keynote, The 5th Conference on Intelligent Systems and Knowledge Engineering (ISKE2010), November 15-16, 2010, Hangzhou, China. (Did not attend due to extenuating circumstances.)

International Advisory Board, 2nd International Conference on IT & Business Intelligence (ITBI-10), November 12-14, 2010, Nagpur, India.

Invited Talk, The 1st International Workshop on Semantic Web, Mobile Web, and Social Networks, November 4-5, 2010, KAIST, Daijeon, Korea. (Did not attend due to extenuating circumstances.)

Session Chair, ACM 19th ACM International Conference on Information and Knowledge Management (CIKM2010), October 26-30, 2010, Toronto, Canada

TPC, ACM 19th ACM International Conference on Information and Knowledge Management (CIKM2010), October 26-30, 2010, Toronto, Canada

TPC, International ACM Conference on Management of Emergent Digital EcoSystems (MEDES'10), October 26-29, 2010, Bangkok, Thailand.

TPC, XX Brazillan Symposium on Artificial Intelligence (SBIA2010), October 2010, Sao Bernardo do Campo, Brazil.

TPC, International Conference on Computational Aspects of Social Networks (CASoN2010), September 26-28, 2010, Taiyuan, China.

Program Co-Chair, IEEE WIC/ACM International Conference, August 31-September 3, 2010, Toronto, Canada

TPC, The 3rd Workshop on Collective Intelligence in Semantic Web and Social Networks (CISWSN 2010), co-located with IEEE/WIC/ACM Joint International Conference on Web Intelligence and Intelligent Agent Technology 2010, August 31-September 3, 1020, Toronto, Canada

TPC, 20th International Conference on Pattern Recognition (ICPR2010), August 23-26, 2009, Istanbul, Turkey

TPC, Tenth International Conference on Hybrid Intelligent Systems (HIS2010), August 23-25, 2010, Atlanta, USA.

Workshop Co-Chair, The 16th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD2010), August, 2010, Washington DC, USA.

General Co-Chair, Workshop on Social Media and Web. 2.0 to be held in conjunction with The 6th International Conference on Intelligent Environments (IE'10), July 19-21, 2010, Kuala Lumpur, Malaysia.

TPC, 2010 IEEE World Congress on Computational Intelligence (IJCNN2010), July 18-23, 2010, Barcelona, Spain.

Tutorial Speaker, 2010 IEEE World Congress on Computational Intelligence (IJCNN2010), July 18-23, 2010, Barcelona, Spain.

TPC, The 8th International Conference on Web Services (ICWS2010), July 5-10, 2010, Miami, Florida, USA.

TPC, Workshop on Feature Selection in Data Mining (FSDM2010) in conjunction with The 14th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2010), June 31-24, 2010, Hyderabad, India

TPC, 21st ACM Conference on Hypertext and Hypermedia (HT2010), June 13-16, 2010, Toronto, Canada.

Keynote, How Social Computing Impacts Society, The 2nd International Conference on E-business and Information System Security (EBISS2010), May 21-23, 2010, Wuhan, China.

Tutorial Speaker, Introduction to Social Recommendation, World Wide Web Conference (WWW2010), April 26-30, 2010, Raleigh, NC, USA

TPC Search Track, World Wide Web Conference (WWW2010), April 26-30, 2010, Raleigh, NC, USA.

Member, Awards Committee, World Wide Web Conference (WWW2010), April 26-30, 2010, Raleigh, NC, USA.

Tutorial Speaker, Introduction to Social Computing. Database Systems for Advanced Applications (DASFAA2010), April 1-4, 2010, Tsukuba, Japan

TPC, Social Computing, Behavioral Modeling and Prediction (SBP2010), March 29-April 1, 2010. Bethesda, USA.

Keynote, Computer Ethics: A Case Study of Plagiarism in Higher Education. The 2nd International Workshop on Education Technology and Computer Science (ETCS2010), March 6-7, 2010, Wuhan, China.

TPC, ACM WSDM2010, February 4-6, 2010, New York City, USA.

Keynote, Future Generation Information Technology 2009 (FGIT2009), December 10-12, 2009, Jeju Island, South Korea

Advisory Committee, 16th International Conference on Neural Information Processing (ICONIP'09), December 1-5, 2009, Bangkok, Thailand

Tutorial Speaker, 16th International Conference on Neural Information Processing (ICONIP'09), December 1-5, 2009, Bangkok, Thailand

TPC, The Twelfth IASTED International Conference on Computers and Advanced Technology in Education (CATE2009), November 22 – 24, 2009, St. Thomas, US Virgin Islands

TPC, 5th International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom2009), November 11-14, 2009, Crystal City, Washington D.C., USA

Invited Talk, Forum on CyberSpace and Social Computing (CyberSocialCom-09), November 9, 2009, Vaton Yunqi Resort Hotel (杭州华庭云栖度假酒店), Hangzhou, China

Invited Talk, The 7th Chinese Workshop on Machine Learning and Applications (MLA'09), November 6-8, 2009, Nanjing University, Nanjing, China

General Co-Chair, Workshop on Social Web Search and Mining (SWSM2009) in conjunction with the ACM Eighteenth Conference on Information and Knowledge Management (CIKM2009), November 2-6, 2009, Hong Kong, China

TPC, Workshop on Complex Networks meet Information & Knowledge Management (CNIKM) in conjunction with the ACM Eighteenth Conference on Information and Knowledge Management (CIKM2009), November 2-6, 2009, Hong Kong, China

Session Chair, Link Analysis and Social Computing, The ACM Eighteenth Conference on Information and Knowledge Management (CIKM2009), November 2-6, 2009, Hong Kong, China

TPC, ACM Eighteenth Conference on Information and Knowledge Management (CIKM2009), November 2-6, 2009, Hong Kong, China

TPC, The 1st Asian Conference on Machine Learning (ACML'09), November 2-4, 2009, Nanjing, China

Workshop Program Co-Chair, The first SIGMM Workshop on Social Media (WSM2009) in conjunction with ACM Multimedia 2009 (ACM MM'09), October 19-24, 2009, Beijing, China

Invited Speaker, 2009 Pacific Neighborhood Consortium (PNC) Annual Conference and Joint Meetings (PNC2009), October 6-8, 2009, Taipei, Taiwan

TPC, Special Session on Dynamic of Real-World Social Networks in the 1st International Conference on Computational Intelligence - Semantic Web, Social Networks and Multiagent Systems (ICCCI'09), 5-7 October 2009, Wrocław (Poland)

TPC, 2009 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2009), October 4-7, 2009, Sapporo, Japan

TPC, The 2009 IEEE/WIC/ACM International Conferences on Web Intelligence (WI'09) and Intelligent Agent Technology (IAT'09), September 15-18, 2009, Milano, Italy

TPC, The 2009 IEEE International Conference on Social Computing (SocialCom-09), August 29-31, 2009, Vancouver, Canada

General Co-Chair, The Fourth BJ-HK Doctoral Forum (BJ-HK PhDForum 2009), August 6-10, 2009, Hong Kong, China

Reviewer, The 32nd Annual ACM SIGIR Conference (SIGIR2009), July 19-23, 2009, Boston, USA

TPC, Twenty-first International Joint Conference on Artificial Intelligence (IJCAI-09), July 11-17, 2009, Pasadena, USA

TPC, International Conference on Computational Aspects of Social Networks (CASoN2009), June 24-27, 2009, Fontainebleau, France

Invited Speaker, International Workshop on Multimedia Technologies for Education (IWMTE2009), June 26, 2009, Taipei, Taiwan

Plenary, 16th International Conference on Systems, Signals and Image Processing (IWSSIP2009), June 18-20, 2009, Chalkida, Greece

TPC, International Joint Conference on Neural Networks (IJCNN2009), June 14-19, 2009, Atlanta, Georgia

Panel Chair, International Joint Conference on Neural Networks, IJCNN2009 Panels, June 14-19, 2009, Atlanta, Georgia

Panel Session Co-Chair, International Joint Conference on Neural Networks, IJCNN2009 Panels, June 14-19, 2009, Atlanta, Georgia

TPC, Frontier of Algorithmics Workshop (FAW2009), June 20-23, 2009, Hefei, China

TPC Search Track, WWW2009, April 20-24, 2009, Madrid, Spain

TPC Tutorial Track, WWW2009, April 20-24, 2009, Madrid, Spain

Tutorial Speaker, WWW2009, April 20-24, 2009, Madrid, Spain

Member of the WWW2009 Best Paper Award Committee, WWW2009, April 20-24, 2009, Madrid, Spain

Panel Moderator, 25th International Conference on Data Engineering (ICDE2009), March 29-April 4, 2009, Shanghai, China

TPC, 2009 Symposium on Computational Intelligence and Data Mining (CIDM2009), March 30-April 2, 2009, Sheraton Music City Hotel, Nashville, TN, USA

Attendee, Microsoft Research Asia Mobile Computing in Education Theme Workshop 2009 (MSRAMCE2009), March 16-17, 2009, Beijing, China

Keynote, 2009 International Symposium on Education and Computer Science (ECS2009), March 7-8, 2009, Wuhan, China

General Co-Chair, Beijing-Hong Kong Doctoral Forum 2008, December 21-24, 2008, Beijing, China

Panel Member, Neural network applications: The present and the future, ICONIP2008, November 25-28, 2008, Auckland, New Zealand

Panel Chair, ICONIP2008, November 25-28, 2008, Auckland, New Zealand

Invited Talk, The 6th Chinese Workshop on Machine Learning and Applications (MLA'08), November 7-9, 2008, Nanjing University, Nanjing, China

Session Chair, ACM 17th Conference on Information and Knowledge Management (CIKM2008), October 26-30, 2008, Napa Valley, USA

TPC Information Retrieval Track, ACM 17th Conference on Information and Knowledge Management (CIKM2008), October 26-30, 2008, Napa Valley, USA

TPC, 8th International Conference on Hybrid Intelligent Systems (HIS2008), September 10-12, 2008, Barcelona, Spain

General Chair, International Workshop on Advanced Computational Intelligence (IWACI2008), June 7-8, 2008, Macau, China

Workshop Chair, Panel Moderator, Special Session Chair, World Congress on Computational Intelligence (WCCI2008), June 1-6, 2008, Hong Kong, China

Workshop Chair, World Wide Web (WWW2008), April 21-25, 2008, Beijing, China

Program Co-Chair, 2007 International Joint Conference on Neural Networks IJCNN2007, August 12-17, 2007, Orlando, USA

NIPS2008

ICONIP2008

MLA2008

Microsoft Research Asia-Tsinghua University Workshop on Internet Services and Cloud Computing

Microsoft Research Asia Faculty Summit 2008

CIKM2008

Apple Distinguished Educator Workshop 2008

IWACI2008

WCCI2008

WWW2008

Program Co-Chair, International Joint Conference on Neural Networks (IJCNN2007), August 12-17, 2007, Orlando, USA

General Co-Chair, The Second Beijing-Hong Kong International Doctorla Forum (Second BJ-HK International Doctoral Forum 2007), July 3-6, 2007, Hong Kong, China

Program Co-Chair, International Conference on Neural Information Processing (ICONIP2006), October 3-6, 2006, Hong Kong, China