305 search results - page 9 / 61 » Classification integration and reclassification using constr... |
APCCM
2008
14 years 11 months ago
2008
We identify established tableaux techniques as an invaluable tool for semantic knowledge acquisition in the design process of relational databases. Sample databases allow users an...
SIGMOD
1996
ACM
15 years 1 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...
CSL
1998
Springer
15 years 1 months ago
1998
Springer
We study revision programming, a logic-based mechanism for enforcing constraints on databases. The central concept of this approach is that of a justi ed revision based on a revisi...
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WWW
2004
ACM
15 years 10 months ago
2004
ACM
We address the problem of integrating objects from a source taxonomy into a master taxonomy. This problem is not only currently pervasive on the web, but also important to the eme...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...