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» Query Answering in Inconsistent Databases
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WEBDB
2005
Springer
129views Database» more  WEBDB 2005»
14 years 3 months 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...
CIKM
2006
Springer
14 years 1 days ago
Processing relaxed skylines in PDMS using distributed data summaries
Peer Data Management Systems (PDMS) are a natural extension of heterogeneous database systems. One of the main tasks in such systems is efficient query processing. Insisting on co...
Katja Hose, Christian Lemke, Kai-Uwe Sattler
ISMIS
2000
Springer
14 years 1 months ago
Top-Down Query Processing in First Order Deductive Databases under the DWFS
A top-down query processing method for first order deductive databases under the disjunctive well-founded semantics (DWFS) is presented. The method is based upon a characterisation...
C. A. Johnson
SIGMOD
2009
ACM
215views Database» more  SIGMOD 2009»
14 years 10 months ago
Efficient type-ahead search on relational data: a TASTIER approach
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
Guoliang Li, Shengyue Ji, Chen Li, Jianhua Feng
VLDB
2005
ACM
100views Database» more  VLDB 2005»
14 years 3 months ago
Query Caching and View Selection for XML Databases
In this paper, we propose a method for maintaining a semantic cache of materialized XPath views. The cached views include queries that have been previously asked, and additional s...
Bhushan Mandhani, Dan Suciu