349 search results - page 46 / 70 » Query Rewriting for Semistructured Data |
124
Voted
VLDB
1995
ACM
15 years 5 months ago
1995
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
131
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ICDE
2012
IEEE
13 years 4 months ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
136
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ICICS
2007
Springer
15 years 5 months ago
2007
Springer
Authentication is increasingly relevant to data management. Data is being outsourced to untrusted servers and clients want to securely update and query their data. For example, in ...
135
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ER
2007
Springer
15 years 8 months ago
2007
Springer
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...
117
Voted
ER
2007
Springer
15 years 8 months ago
2007
Springer
To be a full-featured data exchange format, XML should support not only queries but also updates on its contents. The new W3C XML update facility has proposed a set of operators (...