8220 search results - page 1426 / 1644 » Querying XML Data |
170
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SDMW
2007
Springer
16 years 1 months ago
2007
Springer
Database privacy is an ambiguous concept, whose meaning is usually context-dependent. We give a conceptual framework for technologies in that field in terms of three dimensions, d...
190
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VMCAI
2007
Springer
16 years 1 months ago
2007
Springer
We present a constraint-based algorithm for the synthesis of invariants expressed in the combined theory of linear arithmetic and uninterpreted function symbols. Given a set of pro...
204
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WEBI
2007
Springer
16 years 1 months ago
2007
Springer
— We propose a hierarchical approach to document categorization that requires no pre-configuration and maps the semantic document space to a predefined taxonomy. The utilizatio...
189
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FOCS
2006
IEEE
16 years 1 months ago
2006
IEEE
We investigate the optimality of (1+ )-approximation algorithms obtained via the dimensionality reduction method. We show that: • Any data structure for the (1 + )-approximate n...
209
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
The publication time of a page can have a big impact on its relevance to a query, especially for time-sensitive pages such as news items. For news search engines, the publication ...