7593 search results - page 341 / 1519 » Querying XML Databases |
169
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ACSC
2001
IEEE
15 years 10 months ago
2001
IEEE
Most search systems for querying large document collections---for example, web search engines---are based on well-understood information retrieval principles
155
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
In many business and consumer applications, queries have cardinality constraints. However, current database systems provide minimal support for cardinality assurance. Consequently...
164
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JCS
2008
15 years 6 months ago
2008
Controlled Query Evaluation (CQE) defines a logical framework to protect confidential information in a database. By modeling a user's a priori knowledge appropriately, a CQE ...
221
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SEBD
2003
15 years 8 months ago
2003
The Ambient Logic is a modal logic proposed to describe the structural and computational properties of distributed and mobile computations. The static part of the Ambient Logic is,...
180
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DEXAW
2006
IEEE
16 years 22 days ago
2006
IEEE
The concepts of bipolar queries and queries with preferences are studied. Various interpretations of the former, recently defined by Dubois and Prade, are discussed. The latter w...