5221 search results - page 252 / 1045 » An On-line Problem Database |
243
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Data integrated from multiple sources may contain inconsistencies that violate integrity constraints. The constraint repair problem attempts to find "low cost" changes t...
280
Voted
SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
178
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
Applications like multimedia retrieval require efficient support for similarity search on large data collections. Yet, nearest neighbor search is a difficult problem in high dimen...
162
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PODS
2007
ACM
16 years 6 months ago
2007
ACM
In [3], we introduced a framework for querying and updating probabilistic information over unordered labeled trees, the probabilistic tree model. The data model is based on trees ...
189
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...