298 search results - page 28 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
102
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VLDB
2011
ACM
14 years 6 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
85
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EDBTW
2004
Springer
15 years 4 months ago
2004
Springer
In this work, we investigate mechanisms to support data sharing and querying in a peer-to-peer data management system, that is, a peer-to-peer system where each peer manages its ow...
105
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CIKM
2008
Springer
15 years 1 months ago
2008
Springer
We present in this paper an approach for XQuery optimization that exploits minimization opportunities raised in composition-style nesting of queries. More precisely, we consider t...
99
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CORR
2004
Springer
14 years 11 months ago
2004
Springer
We introduce an extension of the XQuery language, FluX, that supports event-based query processing and the conscious handling of main memory buffers. Purely event-based queries of...
WWW
2008
ACM
15 years 11 months ago
2008
ACM
A lot of recent research has focused on the content-based dissemination of XML data. However, due to the heterogeneous data schemas used by different data publishers even for data...