2987 search results - page 502 / 598 » Multiobjective Query Optimization |
116
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TCS
1998
15 years 1 months ago
1998
We introduce a new constraint domain, aggregation constraints, that is useful in database query languages, and in constraint logic programming languages that incorporate aggregate...
109
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TKDE
2002
15 years 1 months ago
2002
In this paper, we have developed a HiTi (Hierarchical MulTi) graph model for structuring large topographical road maps to the minimum cost route computation. The HiTi graph model p...
124
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VLDB
2002
ACM
15 years 1 months ago
2002
ACM
Current search engines can hardly cope adequately with fuzzy predicates defined by complex preferences. The biggest problem of search engines implemented with standard SQL is that...
122
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VLDB
2002
ACM
15 years 1 months ago
2002
ACM
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
124
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CIKM
2010
Springer
15 years 4 days ago
2010
Springer
Current Information Retrieval systems use inverted index structures for efficient query processing. Due to the extremely large size of many data sets, these index structures are u...