4047 search results - page 295 / 810 » Some Properties and Some Problems on Set Functors |
180
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ICDM
2003
IEEE
15 years 11 months ago
2003
IEEE
There is a ever-growing need to add structure in the form of semantic markup to the huge amounts of unstructured text data now available. We present the technique of shallow seman...
159
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COCO
2001
Springer
15 years 11 months ago
2001
Springer
We study the complexity of approximating the VC dimension of a collection of sets, when the sets are encoded succinctly by a small circuit. We show that this problem is • Σp 3-...
156
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GROUP
1999
ACM
15 years 11 months ago
1999
ACM
Research into collaborative document use often concentrates on how people share document content. However, studies of real-world document practices reveal that the structures by w...
156
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AMW
2009
15 years 7 months ago
2009
Abstract. This paper introduces a formalization of a set of spatial semantic integrity constraints on an extended-relational database model. The formalization extends traditional n...
145
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DM
2002
15 years 6 months ago
2002
Let ir(G) and (G) be the irredundance number and the domination number of a graph G, respectively. A graph G is called irredundance perfect if ir(H) = (H), for every induced subgr...