9532 search results - page 340 / 1907 » Logic, Graphs, and Algorithms |
165
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ECCC
2006
15 years 6 months ago
2006
We show that for any > 0, a maximum-weight triangle in an undirected graph with n vertices and real weights assigned to vertices can be found in time O(n + n2+), where is the ...
289
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POPL
2006
ACM
16 years 7 months ago
2006
ACM
We define a new fixpoint modal logic, the visibly pushdown ?-calculus (VP-?), as an extension of the modal ?-calculus. The models of this logic are execution trees of structured p...
166
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AAAI
2006
15 years 8 months ago
2006
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...
185
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FUZZIEEE
2007
IEEE
16 years 1 months ago
2007
IEEE
— Fuzzy Description Logics (fuzzy DLs) have been proposed as a language to describe structured knowledge with vague concepts. It is well known that the choice of the fuzzy operat...
188
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AIIA
1997
Springer
15 years 11 months ago
1997
Springer
We propose an approach for the integration of abduction and induction in Logic Programming. In particular, we show how it is possible to learn an abductive logic program starting f...