Research Talks


Incremental Stream Processing of Nested-Relational Queries
Presented at DEXA'16, Porto, September 6, 2016.
A Query Processing Framework for Array-Based Computations
Presented at DEXA'16, Porto, September 6, 2016.
Apache MRQL: Advanced Query Processing for Complex, Large-Scale Data Analysis
Presented at ApacheCon'15, Austin, April 13, 2015.
Supporting Bulk Synchronous Parallelism in Map-Reduce Queries
Presented at DataCloud'12, Salt Lake City, November 11, 2012.
An Optimization Framework for Map-Reduce Queries
Presented at EDBT'12, Berlin, Germany, March 27, 2012.
Incremental Maintenance of Materialized XML Views
Presented at DEXA'11, Toulouse, August 30, 2011.
XML Query Optimization in Map-Reduce
Presented at WebDB'11, Athens, June 20, 2011.
A Schema-Based Translation of XQuery Updates
Presented at XSYM'10, Singapore, September 17, 2010.
Propagating Updates Through XML Views Using Lineage Tracing
Presented at ICDE'10, Long Beach, March 2, 2010.
Efficient Processing of XML Update Streams
Presented at ICDE'08, Cancun, April 9, 2008.
Indexing and Searching XML Documents based on Content and Structure Synopses
Presented at BNCOD'07, Glasgow, July 2007.
Query Processing of Streamed XML Data
Presented at UTA, April 6 2007.
A Fully Pipelined XQuery Processor
Presented at XIME-P 2006, Chicago, 30 June 2006.
XQuery Processing with Relevance Ranking
Presented at XSYM'04, Toronto, 30 August 2004.
The Joy of SAX.
Presented at XIME-P'04, Paris, France, 18 June 2004.
XStreamCast: Broadcasting and Query Processing of Streamed XML Data
Invited talk at OGI, November 2003.
A Query Algebra for Fragmented XML Stream Data.
Presented at DBPL'03, Potsdam, Germany, September 8, 2003.
Query Processing of XML Data
Talk at U. of Athens, June 2002.
Query Engines for Web-Accessible XML Data
Presented at VLDB'01, Rome, Italy, September 12, 2001.
An Effective Framework for Processing Object-Oriented Database Languages
Invited talk at OGI, May 1999.
Query Unnesting in Object-Oriented Databases
Presented at the ACM SIGMOD International Conference on Management of Data, Seattle, June 3 1998
An Effective Framework for Processing Object-Oriented Database Languages
Invited talk.
Algebraic Languages and Optimization Methods for Functional Programs and Database Languages
Presented at UTA.
Revisiting Catamorphisms over Datatypes with Embedded Functions
Presented at the 23rd ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, St. Petersburg Beach, Florida, January 23, 1996.
An Algebraic Framework for Physical OODB Design
Presented at the fifth international workshop on database programming languages, Gubbio, Italy, September 7, 1995.
Towards an Effective Calculus for Object Query Languages
Presented at the ACM SIGMOD International Conference on Management of Data, San Jose, California, 23 May 1995
An Effective Framework for Processing Object-Oriented Database Languages
Job interview talk. Winter 1995.
Improving Programs which Recurse over Multiple Inductive Structures
Presented at the ACM SIGPLAN workshop on partial evaluation and semantics-based program manipulation, Orlando Florida, 25 June 1994.
A Uniform Calculus for Collection Types
Presented at the POB 1994 Workshop, University of Wisconsin Madison, 23 May 1994.
Specifying Rule-based Query Optimizers in a Reflective Framework
Presented at the third international conference on deductive and object-oriented databases, Phoenix Arizona, December 1993.
Efficient Optimization of Iterative Queries
Presented at the fourth international workshop on database programming languages, Manhattan New York, August 1993.


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