2546 search results - page 297 / 510 » Managing long-running queries |
150
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PSSS
2003
15 years 8 months ago
2003
Abstract: In this paper we describe the knOWLer System - an ontology-based information system. The knOWLer project focuses on the aspects of making ontologies available to real wor...
208
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Multidimensional databases support efficiently on-line analytical processing (OLAP). In this paper, we depict a model dedicated to multidimensional databases. The approach we prese...
181
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DKE
2007
15 years 6 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
215
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JSAC
2007
15 years 6 months ago
2007
— Peer selection for query routing is a core task in peer-to-peer networks. Unstructured peer-to-peer systems (like Gnutella) ignore this problem, leading to an abundance of netw...
260
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CIDR
2011
14 years 10 months ago
2011
A stream warehouse is a Data Stream Management System (DSMS) that stores a very long history, e.g. years or decades; or equivalently a data warehouse that is continuously loaded. ...