2409 search results - page 301 / 482 » On Extended Regular Expressions |
262
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
277
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VLDB
2008
ACM
16 years 6 months ago
2008
ACM
Mapping composition is a fundamental operation in metadata driven applications. Given a mapping over schemas 1 and 2 and a mapping over schemas 2 and 3, the composition problem is...
217
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Ontologies are set to play a key role in the "Semantic Web", extending syntactic interoperability to semantic interoperability by providing a source of shared and precise...
151
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ICFP
2006
ACM
16 years 6 months ago
2006
ACM
t programming techniques encourage abstraction and reuse through external linking. Some parts of a program, however, must use concrete, internally specified references, so a pure ...
159
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ICCAD
2001
IEEE
16 years 3 months ago
2001
IEEE
SPFDs are a mechanism to express flexibility in Boolean networks. Introduced by Yamashita et al. in the context of FPGA synthesis [4], they were extended later to general combina...