302 S Mills, Apt. 4 • Madison, WI 53715

Phone (608) 252-6766 • E-mail stratis@cs.wisc.edu

Stratis D. Viglas

Education
	1992 - 1996 University of Athens Athens, Greece B.Sc., Informatics n G.P.A.: 9.3/10. n Class Valedictorian. n Receiver of a Greek National Scholarship Foundation scholarship for the highest G.P.A. in years 1994, 1995, 1996. n Thesis: “Nearly Optimum Timetable Construction Through Constraint Logic Programming and Intelligent Search Techniques.” (Advisor: P. Stamatopoulos.) 1997 - 1999 University of Athens Athens, Greece M.Sc., Informatics n G.P.A.: 9.9/10. n Class Valedictorian. n Receiver of a Greek National Scholarship Foundation scholarship for the highest G.P.A. in years 1998, 1999. n Thesis: “Conversational Querying.” (Advisor: Y. Ioannidis.) 1999 - Present University of Wisconsin-Madison Madison, WI, USA Ph.D., Computer Science n Summer Research Assistantship awarded to first year Graduate Students. n Thesis: “Novel Query Optimization and Execution Techniques.” (Advisor: J. F. Naughton.)
AWARDS
	2002-2003 University of Wisconsin-Madison Madison, WI, USA n Recipient of the Anthony C. Klugg NCR Distinguished Fellowship for excellence in Database Research.
Professional experience
	1997 – 1999 University of Athens Athens, Greece Research Fellow n ADDSIA Project (http://homepages.ed.ac.uk/addsia) n Designed and implemented various abstractions of statistical datasets over relational database schemata. 1999 - 2000 University of Wisconsin-Madison Madison, WI, USA Research Assistant n ZOO Project (http://www.cs.wisc.edu/zoo) n Provided ways of interfacing ZOO with Condor, in a way that allowed processing of Condor statistics inside the ZOO database. 2000 - Present University of Wisconsin-Madison Madison, WI, USA Research Assistant n NIAGARA Project (http://www.cs.wisc.edu/niagara) n Designed and implemented the algebra for the NIAGARA Query Engine. n Implemented various parts of the NIAGARA Query Engine. Summer 2001 IBM Almaden Research Center San Jose, CA, USA Summer Intern n XPERANTO Project n Extended XPERANTO by providing a way to store XML data into a relational database by using arbitrary XML Schema to Relational Schema mappings.
publications
	1. Stratis D. Viglas, Jeffrey F. Naughton, Error-Aware Query Optimization. Submitted for publication. 2. Stratis D. Viglas, Jeffrey F. Naughton and Josef Burger. Maximizing the Output Rate of Multi-Join Queries over Streaming Information Sources. Submitted for publication. 3. Jaewoo Kang, Jeffrey F. Naughton and Stratis D. Viglas. Evaluating Window Joins over Unbounded Streams. To appear in Proceedings of IEEE ICDE 2003 Conference, Bangalore, India. 4. Stratis D. Viglas and Jeffrey F. Naughton. Rate-based Query Optimization for Streaming Information Sources. Proceedings of the ACM SIGMOD 2002 Conference, June 4-6 2002, Madison, WI, USA. 5. Igor Tatarinov, Stratis D. Viglas, Kevin Beyer, Jayavel Shanmugasundaram, Eugene Shekita, Chun Zhang. Storing and Querying Ordered XML Using a Relational Database System. Proceedings of the ACM SIGMOD 2002 Conference, June 4-6 2002, Madison, WI, USA. 6. Stratis D. Viglas, Leonidas Galanis, Jeffrey F. Naughton, David J. DeWitt and David Maier. Putting XML Query Algebras into Context. Submitted for publication. 7. Jeffrey F. Naughton, David J. DeWitt, David Maier, Ashraf Aboulnaga, Jianjun Chen, Leonidas Galanis, Jaewoo Kang, Rajasekar Krishnamurthy, Qiong Luo, Naveen Prakash, Ravishankar Ramamurthy, Jayavel Shanmugasundaram, Feng Tian, Kristin Tufte, Stratis Viglas, Yuan Wang, Chun Zhang, Bruce Jackson, Anurag Gupta, Rushan Chen. The Niagara Internet Query System. IEEE Data Engineering Bulletin 24(2): 27-33 (2001). 8. Jayavel Shanmugasundaram, Eugene J. Shekita, Jerry Kiernan, Rajasekar Krishnamurthy, Stratis Viglas, Jeffrey F. Naughton, Igor Tatarinov. A General Techniques for Querying XML Documents using a Relational Database System. SIGMOD Record 30(3): 20-26 (2001). 9. Yannis Ioannidis and Stratis D. Viglas. Conversational Querying. Submitted for publication. 10. M. Hatzopoulos, I. Karali and S. Viglas. Attacking Diversity in NSIs' Storage Infrastructure: The ADDSIA approach. Proceedings of the International Seminar for New Techniques and Technologies in Statistics, NTTS'98. Sorrento, Italy, November 1998. 11. P. Stamatopoulos, S. Viglas and S. Karaboyas. Nearly Optimum Timetable Construction Through Constraint Logic Programming and Intelligent Search Techniques. International Journal of Artificial Intelligence Tools, (7):4 World Scientific Publishing.
Languages
	Greek (native speaker), English (fluent), French (working knowledge)
References
	Available upon request