4382 search results - page 245 / 877 » Query by Semantic Example |
117
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SEBD
2007
15 years 4 months ago
2007
Research on data integration has provided languages and systems able to guarantee an integrated intensional representation of a given set of data sources. A significant limitation...
127
Voted
DEDUCTIVE
1994
15 years 4 months ago
1994
Given an intensional database (IDB) and an extension database (EDB), the view update problem translates updates on the IDB into updates on the EDB. One approach to the view update...
124
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IJIS
2007
15 years 3 months ago
2007
In this paper, we introduce principles for ontology-based querying of information bases. We consider a framework in which a basis ontology over atomic concepts in combination with ...
128
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ADBIS
2005
Springer
15 years 8 months ago
2005
Springer
Abstract. The performance of an information retrieval system is usually measured in terms of two different criteria, precision and recall. This way, the optimization of any of its...
132
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ALT
1998
Springer
15 years 7 months ago
1998
Springer
Exact learning of half-spaces over finite subsets of IRn from membership queries is considered. We describe the minimum set of labelled examples separating the target concept from ...