6740 search results - page 347 / 1348 » Querying Databases with Taxonomies |
268
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
We present algebraic equivalences that allow to unnest nested algebraic expressions for order-preserving algebraic operators. We illustrate how these equivalences can be applied s...
175
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SSDBM
2006
IEEE
16 years 25 days ago
2006
IEEE
We consider an environment where a subscription system continuously evaluates pattern-based requests over unbounded sequential data. We propose an extension of the traditional pat...
158
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EDBTW
2006
Springer
15 years 10 months ago
2006
Springer
Users without knowledge of schemas or structured query languages have difficulties in accessing information stored in databases. Commercial and research efforts have focused on key...
159
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EUSFLAT
2003
15 years 8 months ago
2003
This paper deals with a problem of multicriteria selection assuming uncertainties including linguistic modifiers both in given data and in queries referring to these data. An app...
282
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
We present Avatar Semantic Search, a prototype search engine that exploits annotations in the context of classical keyword search. The process of annotations is accomplished offli...