282 search results - page 16 / 57 » Merging Databases Under Constraints |
ESANN
2008
15 years 1 months ago
2008
This paper describes a new topological map dedicated to clustering under instance-level constraints. In general, traditional clustering is used in an unsupervised manner. However,...
CP
2004
Springer
15 years 5 months ago
2004
Springer
In real-life temporal scenarios, uncertainty and preferences are often essential, coexisting aspects. We present a formalism where temporal constraints with both preferences and un...
CINQ
2004
Springer
15 years 5 months ago
2004
Springer
Many researchers in our community (this author included) regularly emphasize the role constraints play in improving performance of data-mining algorithms. This emphasis has led to ...
FOCS
2003
IEEE
15 years 5 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...
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ICDT
2003
ACM
15 years 5 months ago
2003
ACM
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...