268 search results - page 41 / 54 » Set-Oriented Production Rules in Relational Database Systems |
ICDT
1995
ACM
13 years 11 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Network data models are frequently used as a mechanism to describe the connectivity between spatial features in many emerging GIS applications (location-based services, transporta...
CIARP
2008
Springer
13 years 9 months ago
2008
Springer
The performance of supervised learners depends on the presence of a relatively large labeled sample. This paper proposes an automatic ongoing learning system, which is able to inco...
CORR
2010
Springer
13 years 2 months ago
2010
Springer
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
ANTSW
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. Identifying the structure of unknown molecules is an important activity in the pharmaceutical industry where it underpins the production of new drugs and the analysis of ...