Ph.D. (1991), Columbia University, NY
M.Sc. (1986), M.Phil. (1988), Columbia University, NY
B.Sc. (1985), National Technical University of Athens, Greece
Associate Professor (1997-2001)
Department of Computer Science & Engineering,
University of California, Riverside, CA
Associate Professor (tenured; 1996-97)
Assistant Professor (1990-96)
Department of Computer and Information Science,
Polytechnic University, Brooklyn, NY (now part of NYU)
RESEARCH INTERESTS - FUNDED RESEARCH
Database management, access methods, evolving
databases, temporal databases,
spatiotemporal knowledge management,
change management, sensor
data, querying complex objects,
evolving systems design, multi-version
trajectories of physical artifacts,
FPGA-based publish/subscribe systems,
querying spatiotemporal patterns using accelerators,
semantic spatiotemporal queries,
scalable data management (ASTERIX),
Big Active Data management.
Lab's Web Page
Research Initiation Award, National Science Foundation, 1991.
Teaching Excellence Award,College of Engineering, UCR, 1999-00.
Keynote Speaker, 10th International Symposium on Spatial and Temporal Databases (SSTD), Boston, MA, 2007.
Keynote Speaker, 7th International ACM Workshop on Data Engineering for Wireless and Mobile Access (MobiDE), Vancouver, Canada, 2008.
Keynote Speaker, 2010 Redlands GIS Week, (GISWeek), ESRI, February 22-26, 2010, Redlands, CA.
Keynote Speaker, 16th International ACM Workshop On Data Warehousing and OLAP (DOLAP), San Francisco, CA, 2013.
Best Poster Runner-Up:
"TS2-tree - an efficient similarity based organization for trajectory data",
by Petko Bakalov, Eamonn J. Keogh, Vassilis J. Tsotras, 15th ACM International Symposium on Geographic Information Systems, (GIS),
November 7-9, 2007, Seattle, Washington.
Best Student Paper:
"Online Identification of Dwell Regions for Moving Objects",
by M Reaz Uddin, Chinya Ravishankar, and Vassilis J. Tsotras, 13th IEEE International Conference on Mobile Data Management (MDM),
July 23-26, 2012, Bengaluru, India.
"Stream-Mode FPGA Acceleration of Complex Pattern Trajectory Querying",
by Roger Moussalli, Marcos Vieira, Walid Najjar and Vassilis J. Tsotras, 13th International Symposium on Spatial and Temporal Databases (SSTD),
August 21-23, 2013, Munich, Germany.
Advanced Database Indexing,
by Yannis Manolopoulos, Yannis Theodoridis and Vassilis J. Tsotras.
Advances in Database Systems, Kluwer Academic Publishers (now part of Springer), ISBN 0-7923-7716-8, November 1999; ISBN: 978-1-4613-4641-8 (Print) 978-1-4419-8590-3 (Online); 2000.
RECENT PROFESSIONAL ACTIVITIES
Co-Editor in Chief, International Journal of Cooperative Information Systems (IJCIS), World Scientific, January 2008 - present.
Associate Editor, The VLDB Journal, Sept. 2003 - Sept. 2009.
Associate Editor, IEEE Transactions on Knowledge and Data Engineering (TKDE), Sept. 2002 - Sept. 2006.
General Co-Chair: 26th International Conference on Data Engineering (ICDE) 2010, Los Angeles, CA.
Demos Co-Chair: 25th International Conference on Data Engineering (ICDE) 2009, Shanghai, China.
Program Chair (DB Track): 15th Conference on Information and Knowledge Management (CIKM 2006).
General Chair: 7th International Symposium on Spatial and Temporal Databases (SSTD'01).
Program Co-Chair: 5th International Workshop on Multimedia Information Systems (MIS'99).
PUBLICATIONS (DBLP, Google Scholar)
Anil Kumar (1998; Bloomberg Corp., NY)
George Kollios (2000; Boston University, Boston, MA)
Donghui Zhang (2002; Paradigm4, Waltham, MA)
Marios Hadjieleftheriou (2004; AT&T Research, NJ))
Zografoula Vagena (2005; LogicBlox, Atlanta, GA)
Mirella Moro (2007; Universidade Federal de Minas Gerais - UFMG, Brazil)
Petko Bakalov (2008; ESRI, Redlands, CA)
Theodoros Lappas (2011; co-supervised with D. Gunopulos; Stevens Institute of Technology, NJ)
Mariam Salloum (2011; YP.com, Los Angeles, CA)
Marcos R. Vieira (2011; Hitachi Big Data Lab, Santa Clara, CA)
Wenyu Huo (2013; LinkedIn, San Francisco, CA)
Michael Rice (2013; Amazon, CA)
Jarod Wen (2013; Oracle Labs, NH)
Md. Mahbub Hasan (2014; Teradata, CA)
M. Reaz Uddin (2014; co-supervised with C.V. Ravishankar; Microsoft, Redmond, WA)
Steven Jacobs (2018, Amazon)
Ildar Absalyamov (2018, Google)
Elena Strzheletska (2018, UCR)
E. Preston Carman (in progress)
James Fang (in progress)
Pritom Ahmed (in progress)
Andres Calderon (in progress)
Christina Pavlopoulou (in progress)
Vasileios Zois (in progress)
Nickolas Kangelaris (1994; Oracle, Greece)
Lifei Tan (1999; Lam Research, CA)
Theodore Folias (2003)
Anil Musku (2003; Amazon, CA)
Priya Mandawat (2005; Google, CA)
Yunzhu (Julie) Shi (2006; ESRI, CA)
Adam Woss (2008; JAAL Llc, CA)
Wanxing Xu (2009; Microsoft, WA)
Ali Mirzabeigi (2011; ESRI, CA)
Badrunnisa Begum (2012; InfoSys, CA)
Rishita Singh (2012; MarkMonitor, CA)
Sanjay Kulhari (2012; Juniper Networks, CA)
Theodoros Ioannou (2013)
Fuxin (Daisy) Yu (2014; Amazon, CA)
Zhang Zhaosheng (2014; Electronic Arts, CA)
Bryan Marsh (2015)
Check out www.stopthehacker.com: a very interesting startup on web security that started at UCR.