2169 search results - page 356 / 434 » Inferencing in Database Semantics |
137
Voted
DBISP2P
2005
Springer
15 years 7 months ago
2005
Springer
We propose a novel approach for de ning and querying a super-peer within a schema-based super-peer network organized into a two-level architecture: the low level, called the peer l...
102
Voted
ICDT
2005
ACM
15 years 7 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
112
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
100
Voted
VLDB
2005
ACM
15 years 7 months ago
2005
ACM
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
137
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SIGIR
2004
ACM
15 years 7 months ago
2004
ACM
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...