2217 search results - page 161 / 444 » Rank-aware Query Optimization |
173
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KRDB
2003
15 years 7 months ago
2003
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
142
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VLDB
2000
ACM
15 years 10 months ago
2000
ACM
In digital libraries image retrieval queries can be based on the similarity of objects, using several feature attributes like shape, texture, color or text. Such multi-feature que...
261
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ICDE
1999
IEEE
16 years 7 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
133
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
We present the architecture of Natix V2. Among the features of this native XML Data Store are an optimizing XPath query compiler and a powerful API. In our demonstration we explain...
200
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BTW
2007
Springer
16 years 16 days ago
2007
Springer
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...