282 search results - page 5 / 57 » Merging Databases Under Constraints |
VLDB
1987
ACM
15 years 1 months ago
1987
ACM
In a context considering in a unique framework all the relations in a database, by means of the notion of global consistency, independent database schemes allow enforcement of con...
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Abstract. Physical database design tools rely on a DBA-provided workload to pick an "optimal" set of indexes and materialized views. Such an approach fails to capture sce...
ICCS
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Minimal generators (mingens) of concept intents are valuable elements of the Formal Concept Analysis (FCA) landscape, which are widely used in the database field, for da...
104
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JAPLL
2010
14 years 8 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
185
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract-- We consider a novel problem of top-k query processing under budget constraints. We provide both a framework and a set of algorithms to address this problem. Existing alg...