2228 search results - page 109 / 446 » A System for Semantic Query Optimization |
WEBDB
2009
Springer
15 years 4 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
AAAI
2006
14 years 11 months ago
2006
In this paper, we discuss how our work on evaluating Semantic Web knowledge base systems (KBSs) contributes to address some broader AI problems. First, we show how our approach pr...
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
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ICDT
2011
ACM
14 years 1 months ago
2011
ACM
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
ISI
2008
Springer
14 years 10 months ago
2008
Springer
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be used...