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» Answering Queries by Semantic Caches
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ADBIS
2006
Springer
182views Database» more  ADBIS 2006»
15 years 3 months ago
A Middleware-Based Approach to Database Caching
Database caching supports declarative query processing close to the application. Using a full-fledged DBMS as cache manager, it enables the evaluation of specific project-select-...
Andreas Bühmann, Theo Härder, Christian ...
GPC
2010
Springer
15 years 4 months ago
Distributed Island-Based Query Answering for Expressive Ontologies
Scalability of reasoning systems is one of the main criteria which will determine the success of Semantic Web systems in the future. The focus of recent work is either on (a) expre...
Sebastian Wandelt, Ralf Möller
IJCAI
2003
14 years 11 months ago
Query rewriting and answering under constraints in data integration systems
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
Andrea Calì, Domenico Lembo, Riccardo Rosat...
CASCON
2004
108views Education» more  CASCON 2004»
14 years 11 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
DASFAA
2005
IEEE
154views Database» more  DASFAA 2005»
15 years 3 months ago
Mining Positive and Negative Association Rules from XML Query Patterns for Caching
Recently, several approaches that mine frequent XML query patterns and cache their results have been proposed to improve query response time. However, frequent XML query patterns m...
Ling Chen 0002, Sourav S. Bhowmick, Liang-Tien Chi...