| Chair and co-chair for:
 
                
                    ACM Conference on the Management of Data (SIGMOD), Proceedings Co-Chair [2014, 2015]; and
                
                    International Conference on Web-Age Information Management (WAIM), Proceedings Co-Chair [2016].
                 
 
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 Journal reviewer for:
 
                  
                    ACM Transactions on Database Systems (TODS) [2016];
                  
                    Very Large Data Bases Journal (VLDBJ) [2010, 2012, 2013, 2014, 2015, 2016];
                
                    IEEE Transactions on Knowledge and Data Engineering (TKDE) [2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016]; 
                
                    ACM Transactions on the Web (TWEB) [2009]; 
                
                    Information Systems (IS) [2013];
                
                    Knowledge and Information Systems (KAIS) [2012, 2013];
                
                    Information Sciences (ISCI) [2013, 2014, 2015];
                
                    Data and Knowledge Engineering Journal (DKE) [2012, 2013];
                            
                    World Wide Web Journal (WWWJ) [2011, 2013, 2016];
                            
                    Journal of Computer Science and Technology (JCST) [2012, 2013];
                  
                    Distributed and Parallel Databases (DAPD) [2012, 2013, 2014, 2015];
                 
                    International Journal on Advances of Computer Science for Geographic Information Systems (Geoinformatica) [2015];
                  
                    Transactions on Knowledge Discovery from Data (TKDD) [2013, 2014];
                            
                    Transactions on Systems, Man, and Cybernetics - Part B: Cybernetics (SMCB) [2012];
                 
                    ACM Transactions on Interactive Intelligent Systems (ACM TiiS) [2013]; 
                 
                    International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems (IJUFKS) [2014, 2015, 2016];
                 
                    International Journal of Cooperative Information Systems (IJCIS) [2015]; 
                            
                    Frontiers of Computer Science (FCS) [2011, 2014]; 
                 
                    Transactions on Fuzzy Systems (TFS) [2015, 2016];
                
                    China Communication (CNCOMM) (Big Data Special Issue) [2014];
                
                    International Journal of Distributed Sensor Networks [2015]; 
                 
                    Neurocomputing [2015];
                 
                    The Journal of Computers (JCP) [2013, 2014]; 
                
                    The Computer Journal (COMPJ) [2014];
                
                    Journal of Computer Science and Technology (JCST) [2015, 2016];
                
                    SpringerPlus [2015]; and
                
                    Journal of Web Engineering (JWE) [2015].
                 
 
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 Program committee (PC) member and conference reviewer for:
 
                
                    International Conference on Data Engineering (ICDE) [2012]; 
                
                    ACM Conference on Information and Knowledge Management (CIKM) [2011];
                
                    ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS) [2015];
                
                    International Conference on Web-Age Information Management (WAIM) [2010, 2013, 2014, 2016];
                    
                    International Asia-Pacific Web Conference (APWeb) [2013, 2014, 2016];
                
                    International Conference on Database Systems for Advanced Applications (DASFAA) [2015];
                
                    International Joint Conference on Artificial Intelligence (IJCAI) [2015];
                    
                    IEEE International Conference on Computer and Information Technology (CIT) [2010, 2011, 2013];
                    
                    IEEE International Conference on Parallel and Distributed Systems (ICPADS) [2014];
                  
                    Asia-Pacific Services Computing Conference (APSCC) [2014, 2016];
                
                    International Joint Conference on Artificial Intelligence (IJCAI) [2015];
                
                    Wireless Telecommunications Symposium (WTS) [2015, 2016]; 
                  
                    IEEE Frontiers in Education Conference (FIE) [2015];
                  
                    International Conference on Big Data Computing and Communication (BIGCOM) [2016];
                  
                    IEEE International Conference on Intelligent Cloud Computing (ICC) [2016];
                 
                    International Workshop on Semantic Big Data (SBD @ SIGMOD) [2016];
                    
                    International Workshop on Uncertain Data Computing [2013];
                            
                    International Workshop on Graph Database (IWGD) [2010]; and
                            
                    International Workshop on Management and mining Of UNcertain Data (MOUND) [2009].
                 
 
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 External conference reviewer for:
 
                
			        ACM Conference on the Management of Data (SIGMOD) [2006, 2007, 2008, 2009, 2010, 2011, 2015, 2016]; 
                
                    Very Large Data Bases Conference (VLDB) [2004, 2005, 2006, 2007, 2008, 2010, 2012, 2013, 2015]; 
                
                    International Conference on Data Engineering (ICDE) [2006, 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015]; 
                
                    ACM SIGKDD Conference on Knowledge Discovery and Data Mining (SIGKDD) [2010];
                
                    IEEE International Conference on Data Mining (ICDM) [2009, 2010, 2012];
                
                    International Conference on Extending Database Technology (EDBT) [2006, 2013, 2014]; 
                
                    International World Wide Web Conferences (WWW) [2008, 2009]; 
                
                    ACM Conference on Information and Knowledge Management (CIKM) [2005, 2013];
                
                    IEEE International Conference on Computer Communications (INFOCOM) [2013];
                
                    International Conference on Scientific and Statistical Database Management (SSDBM) [2005, 2007, 2008, 2010]; 
                
                    International Conference on Database Systems for Advanced Applications (DASFAA) [2011, 2014];
                
                    ACM Multimedia (MM) [2012];
                
                    ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS) [2009, 2010];
                
                    Symposium on Spatial and Temporal Databases (SSTD) [2005]; 
                
                    International Conference on Database and Expert Systems Applications (DEXA) [2004, 2005]; and
                
                    Mobile Data Management (MDM) [2009].
                 
 
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 External workshop reviewer for:
 
                
			        International Workshop on Data Quality in Integration Systems (DQIS'11) [2011]; and
                
                    ACM SIGKDD International Workshop on Knowledge Discovery from Uncertain Data (U'09) [2009]
                 
 
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 Technical program committee (TPC) member and organizing committee member for:
 
                  
                    IEEE International Conference on Intelligent Cloud Computing (ICC) [2016];
                
                    Wireless Telecommunications Symposium (WTS) [2015, 2016]; and
                
                    The 5th Beijing-Hong Kong International Doctoral Forum [2010].
                 
 
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 Research grant proposal reviewer and evaluator for:
 
                
			        Initiative of the Chilean National Science and Technology Commission (CONICYT), Chile [2015]; and
                
			        STW / Enabling new technology, Technology Foundation STW, Netherlands [2014]. 
                
			        IEEE Collabratec™, IEEE Platform Testing, IEEE [2014]. 
                 
 
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 University/College/Department services for:
 
                
			        [University] Faculty Research Council (FRC), Member [2014 ~ 2015]
                
			        [College]  Excellence Awards Selection Committee, Member [2014]
                
			        [College]  Majors Fair, Volunteer [2012, 2013, 2014]
                
			        [Department] Colloquium Committee, Chair [2012 ~ 2013]
                
			        [Department] Annual Evaluation Committee, Chair [2013 ~ 2014]
                
			        [Department] Annual Evaluation Committee (Annual Evaluation and Nominations of Faculty Excellence Awards), Member [2012 ~ 2013]
                
			        [Department] Undergraduate Curriculum Committee, Member [2011, 2012, 2013, 2014, 2015, 2016]
                
			        [Department] Graduate Committee, Member [2011, 2012, 2013, 2014, 2015, 2016]
                
			        [Department] Faculty Search Committee, Member [2014 ~ 2016]
                 
 
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 Committee Member/Chair for Mater's Thesis Defense for:
 
                
			        Jonatan Reyes, "Analysis and Simulation of a Social Network Twitter: A Case Study", Committee Member, 2016
                
			        Sai Jyothsna Jonnalagadda, "Global Entropy Based Greedy Algorithm for Discretization", Committee Member, 2016
                
			        Bamikole Ogundele, "Efficient Query Processing Over Uncertain Road Networks ", Chair, 2015
                
			        Jose Villarreal, "Use of a Simulated Directional Social Network to Compare Measures of User Influence", Committee Member, 2015
                
			        Rodolfo Baez, "Evaluation of Security Vulnerabilities of  Popular Computer and Server Operating Systems Under Cyber Attacks", Committee Member, 2015
                
			        Yifan Xing, "Distributed Coordinate Tracking Control of Multiple Wheeled Mobile Robots", Committee Member, 2015
                
			        Yaqing Chen, "Probabilistic Shortest Time Queries Over Uncertain Road Networks", Chair, 2014
                
			        Chunyu Chen, "Distributed Formation Tracking Control of Multiple Car-Like Robots", Committee Member, 2014
                
			        Eugenio de Hoyos, "K-Nearest keyword search in RDF graphs", Committee Member, 2012
                
			        Carlos Gomez, "UTPB: A Benchmark for Scientific Workflow Provenance Storage and Querying Systems", Committee Member, 2012
                 
 
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 Tutorials for:
 
 
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 Talks and Presentations for:
 
                
                    Xiang Lian. Efficient Management Over Probabilistic Graph Databases. Tsinghua University, Beijing, China, July, 2015.
                
                    Xiang Lian and Lei Chen. Causality and Responsibility: Probabilistic Queries Revisited in Uncertain Databases. 
                                ACM Conference on Information and Knowledge Management
								(CIKM'13), San Francisco, CA, USA, Oct. 27 - Nov. 1, 2013.
                
                    Xiang Lian. Query Processing in Uncertain Databases. Fudan University, Shanghai, China, July, 2013.
                
			        Xiang Lian. Efficient Query Answering Over Uncertain Data. Tsinghua University, Beijing, China, June, 2012.
			    
			        Xiang Lian. Consistent Query Answers in Inconsistent Probabilistic Databases. Beijing University, Beijing, China, June, 2012.
                
                    Xiang Lian, Yincheng Lin, and Lei Chen. Cost-Efficient Repair in Inconsistent Probabilistic Databases. 
								ACM Conference on Information and Knowledge Management
								(CIKM'11), Glasgow, United Kingdom, Oct. 24-28, 2011.
			    
                    Xiang Lian and Lei Chen. Set Similarity Join on Probabilistic Data. 
                        Very Large Data Bases Conference (VLDB'10), Singapore, Sept. 13-17, 2010. 
			    
                    Xiang Lian, Lei Chen, and Shaoxu Song. Consistent Query Answers in Inconsistent Probabilistic Databases.
                        ACM Conference on the Management of Data (SIGMOD'10), Indianapolis, Indiana, USA, Jun. 6-11, 2010.
			    
                    Xiang Lian and Lei Chen. Efficient Pattern Matching over Uncertain Data Streams (The HKIE Outstanding Paper Award). 
                        Hong Kong Institution of Engineers (HKIE), Hong Kong, China, December, 2009. 
			    
                    Xiang Lian and Lei Chen. Monochromatic and Bichromatic Reverse Skyline Search over Uncertain Databases.
                        ACM Conference on the Management of Data (SIGMOD'08), Vancouver, Canada, Jun. 9-12, 2008.
			    
                    Xiang Lian and Lei Chen. Probabilistic Ranked Queries in Uncertain Databases.
                        International Conference on Extending Database Technology (EDBT'08), Nantes, France, Mar. 25-30, 2008.
			    
                    Lei Chen and Xiang Lian. Skyline Queries in Metric Spaces.
                        International Conference on Extending Database Technology (EDBT'08), Nantes, France, Mar. 25-30, 2008.
			    
                    Xiang Lian and Lei Chen. A General Cost Model for Dimensionality Reduction in High Dimensional Spaces.
                        International Conference on Data Engineering (ICDE'07), Istanbul, Turkey, Apr. 16-20, 2007. 
			    
                    Xiang Lian, Lei Chen, Jeffrey Xu Yu, Guoren Wang, and Ge Yu. Similarity Match Over High Speed Time-Series Streams.
                        International Conference on Data Engineering (ICDE'07), Istanbul, Turkey, Apr. 16-20, 2007. 
			     
 
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 Books for:
 
 
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 Membership:
 
                
			        ACM SIGMOD member [2010]
                
			        IEEE student member [2007, 2008, 2009, 2010]
                
			        IEEE communications society member [2010]
                 
 
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 Helper for:
 
                
			        Helper for IEEE Usability Study [Oct. 2014; IEEE testing for a collaboration tool]; and
                
			        Student helper for the IEEE International Conference on Data Mining (ICDM) [2006, Hong Kong].
                 
 
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