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WEBDB
2005
Springer
129views Database» more  WEBDB 2005»
16 years 6 days ago
Processing Top-N Queries in P2P-based Web Integration Systems with Probabilistic Guarantees
Efficient query processing in P2P-based Web integration systems poses a variety of challenges resulting from the strict decentralization and limited knowledge. As a special probl...
Katja Hose, Marcel Karnstedt, Kai-Uwe Sattler, Dan...
ICCS
2004
Springer
16 years 3 days ago
Iceberg Query Lattices for Datalog
In this paper we study two orthogonal extensions of the classical data mining problem of mining association rules, and show how they naturally interact. The first is the extension...
Gerd Stumme
IDEAS
2003
IEEE
91views Database» more  IDEAS 2003»
16 years 13 hour ago
Implementation Issues of a Deterministic Transformation System for Structured Document Query Optimization
As the popularity of XML keeps growing rapidly, XML compliant structured document management becomes an interesting and compelling research area. Query optimization for structured...
Dunren Che
ADL
2000
Springer
284views Digital Library» more  ADL 2000»
15 years 11 months ago
A Boolean Query Processing with a Result Cache in Mediator Systems
A mediator system is a kind of a meta-search engine that provides a seamlessly integrated search service for diverse search engines (collections). Since collections of a mediator ...
Jae-Heon Cheong, Sang-goo Lee
CIKM
1999
Springer
15 years 11 months ago
Semantic Caching via Query Matching for Web Sources
A semantic caching scheme suitable for wrappers wrapping web sources is presented. Since the web sources have typically weaker querying capabilities than conventional databases, e...
Dongwon Lee, Wesley W. Chu