199 search results - page 18 / 40 » Quete: Ontology-Based Query System for Distributed Sources |
132
Voted
WWW
2010
ACM
15 years 8 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
162
Voted
SIGIR
2009
ACM
15 years 10 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
125
Voted
CAISE
1999
Springer
15 years 7 months ago
1999
Springer
A common problem within most large corporations nowadays is the diversity of database systems that are employed by their many departments in the development of a product. Usually, ...
123
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IQ
2007
15 years 4 months ago
2007
: Integrated access to distributed data is an important problem faced in many scientific and commercial applications. A data integration system provides a unified view for users to...
231
Voted
ICDE
2008
IEEE
16 years 4 months ago
2008
IEEE
In this paper, we are concerned with the distributed monitoring of P2P systems. We introduce the P2P Monitor system and a new declarative language, namely P2PML, for specifying mo...