24444 search results - page 4468 / 4889 » A Data Model for Data Integration |
262
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Keyword search is a proven, user-friendly way to query HTML documents in the World Wide Web. We propose keyword search in XML documents, modeled as labeled trees, and describe cor...
171
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
199
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...
234
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...
163
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PODS
2006
ACM
16 years 7 months ago
2006
ACM
Given that most elementary problems in database design are NP-hard, the currently used database design algorithms produce suboptimal results. For example, the current 3NF decompos...