670 search results - page 23 / 134 » Intractability and clustering with constraints |
170
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
We consider the problem of repairing a database that is inconsistent wrt a set of integrity constraints by updating numerical values. In particular, we concentrate on denial integ...
DEXAW
2005
IEEE
15 years 3 months ago
2005
IEEE
For several reasons a database may not satisfy certain integrity constraints (ICs). However, most likely most of the information in it is still consistent with the ICs; and could ...
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We consider the problem of retrieving consistent answers over databases that might be inconsistent with respect to some given integrity constraints. In particular, we concentrate o...
CISS
2010
IEEE
14 years 1 months ago
2010
IEEE
— AHNs are wireless networks operating without the benefits of network infrastructure (basestations) or centralized control. AHNs working with limited spectrum perform best when...
108
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SDM
2011
SIAM
14 years 16 days ago
2011
SIAM
When multiple data sources are available for clustering, an a priori data integration process is usually required. This process may be costly and may not lead to good clusterings,...