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SSD
2007
Springer
171views Database» more  SSD 2007»
14 years 4 months ago
Transformation of Continuous Aggregation Join Queries over Data Streams
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
Tri Minh Tran, Byung Suk Lee
APWEB
2010
Springer
14 years 2 months ago
Optimizing Query Processing for the Hidden Web
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
Andrea Calì, Davide Martinenghi
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
14 years 2 months ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker
AAAI
2008
14 years 11 days ago
Existentially Quantified Values for Queries and Updates of Facts in Transaction Logic Programs
In several applications of logic programming and Transaction Logic, such as, planning, trust management and independent Semantic Web Services, an action might produce incomplete f...
Paul Fodor
FLAIRS
2007
14 years 11 days ago
The Evolution and Evaluation of an Internet Search Tool for Information Analysts
We are working on a project aimed at building next generation analyst support tools that focus analysts’ attention on the most critical and novel information found within the da...
Elizabeth T. Whitaker, Robert L. Simpson Jr.