2169 search results - page 253 / 434 » Inferencing in Database Semantics |
139
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
We present several methods for mining knowledge from the query logs of the MSN search engine. Using the query logs, we build a time series for each query word or phrase (e.g., `Th...
155
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Sharing huge, massively distributed databases in P2P systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer suffici...
180
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IDEAS
2009
IEEE
15 years 11 months ago
2009
IEEE
RDFKB (Resource Description Framework Knowledge Base) is a relational database system for RDF datasets which supports inference and knowledge management. Significant research has ...
129
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CLEANDB
2006
ACM
15 years 10 months ago
2006
ACM
Data quality is a serious concern in every data management application, and a variety of quality measures have been proposed, including accuracy, freshness and completeness, to ca...
127
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APWEB
2004
Springer
15 years 9 months ago
2004
Springer
Abstract. Integrity constraints play a fundamental role in defining semantics in both conventional databases and in XML documents. In this paper we generalize previous approaches ...