5166 search results - page 405 / 1034 » Web Query Optimizer |
290
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
197
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SEMWEB
2009
Springer
16 years 1 months ago
2009
Springer
An important issue for the Semantic Web is how to combine open-world ontology languages with closed-world (non-monotonic) rule paradigms. Several proposals for hybrid languages all...
186
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MTSR
2007
Springer
16 years 28 days ago
2007
Springer
In this paper we describe the development of an ontology of molecular and phenotypic cereals data, realized by integrating existing public web databases with the database developed...
204
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ECIR
2003
Springer
15 years 8 months ago
2003
Springer
We present a user-centred, task-oriented, comparative evaluation of two query-based document skimming tools. ProfileSkim bases within-document retrieval on computing a relevance pr...
166
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ICDE
2005
IEEE
16 years 12 days ago
2005
IEEE
Abstract— Defining suitable indexes is a major task when optimizing a database. Usually, a human database administrator defines a set of indexes in the design phase of the data...