5284 search results - page 864 / 1057 » Ontologizing Semantic Relations |
168
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PKDD
1999
Springer
15 years 10 months ago
1999
Springer
We describe the problem of mining possibilistic set-valued rules in large relational tables containing categorical attributes taking a finite number of values. An example of such a...
181
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VLDB
1999
ACM
15 years 10 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
159
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KR
1998
Springer
15 years 10 months ago
1998
Springer
This work is motivated by the existence of two useful but quite different knowledge representation formalisms, the situation calculus due to McCarthy, and the logic OL of only kno...
184
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WER
1998
Springer
15 years 10 months ago
1998
Springer
Active systems are emerging in many fields, being particularly interesting those like Active Database Management Systems which always provide some kind of reactive capabilities. I...
227
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ICFP
1997
ACM
15 years 10 months ago
1997
ACM
We show how to implement a calculus with higher-order subtyping and subkinding by replacing uses of implicit subsumption with explicit coercions. To ensure this can be done, a pol...