2593 search results - page 47 / 519 » constraints 2007 |
155
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IJCAI
2003
15 years 5 months ago
2003
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
129
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CP
2007
Springer
15 years 8 months ago
2007
Springer
Abstract. In this paper we investigate the ways in which a fixed collection of valued constraints can be combined to express other valued constraints. We show that in some cases a ...
150
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EJC
2008
15 years 4 months ago
2008
We study certain constraint satisfaction problems which are the problems of deciding whether there exists a homomorphism from a given relational structure to a fixed structure with...
144
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ACL
2007
15 years 5 months ago
2007
Over the last few years, two of the main research directions in machine learning of natural language processing have been the study of semi-supervised learning algorithms as a way...
136
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IJCAI
1993
15 years 5 months ago
1993
The output of handwritten word recognizers (HWR) tends to be very noisy due to various factors. In order to compensate for this behaviour, several choices of the HWR must be initi...