14306 search results - page 570 / 2862 » Database System Concepts |
270
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
This paper introduces the concept of letting an RDBMS Optimizer optimize its own environment. In our project, we have used the DB2 Optimizer to tackle the index selection problem,...
174
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DASFAA
2008
IEEE
16 years 1 months ago
2008
IEEE
Wikipedia has become a huge phenomenon on the WWW. As a corpus for knowledge extraction, it has various impressive characteristics such as a huge amount of articles, live updates, ...
194
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CINQ
2004
Springer
16 years 15 days ago
2004
Springer
This chapter investigates subgroup discovery as a task of constraint-based mining of local patterns, aimed at describing groups of individuals with unusual distributional character...
191
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DEXAW
2003
IEEE
16 years 12 days ago
2003
IEEE
Controlling access to resources is one of the most important protection goals for web-based services in practice. In general, access control requires identification of subjects t...
177
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DEXAW
2002
IEEE
16 years 2 days ago
2002
IEEE
In this paper, we suggest that it should be possible to come closer to the Semantic Web goals by enhancing the ontology paradigm and, in particular, by supplementing the ‘tradit...