1737 search results - page 164 / 348 » Conceptual approaches for defining data, information, and kn... |
182
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CAISE
1999
Springer
15 years 10 months ago
1999
Springer
As a decision support information system, a data warehouse must provide high level quality of data and quality of service. In the DWQ project we have proposed an architectural fram...
160
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SOFSEM
2007
Springer
16 years 17 days ago
2007
Springer
The increasing number of Semantic Web applications that work with ontologies implies an increased need for building ontological knowledge bases. In order to improve ontologies duri...
141
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SEMWEB
2007
Springer
16 years 17 days ago
2007
Springer
In this paper we address the problem of migrating instances between heterogeneous overlapping ontologies. The instance migration problem arises when one wants to reclassify a set o...
160
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KDD
2002
ACM
16 years 6 months ago
2002
ACM
In this paper, we propose a new approach to discover informative contents from a set of tabular documents (or Web pages) of a Web site. Our system, InfoDiscoverer, first partition...
152
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EDM
2010
15 years 8 months ago
2010
In this paper the authors describe Pundit, a course recommendation and search tool at Teachers College, Columbia University. The alpha prototype employs a novel combination of data...