686 search results - page 54 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
274
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
250
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...
153
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PAKDD
1999
ACM
15 years 10 months ago
1999
ACM
Empirical equations are an important class of regularities that can be discovered in databases. In this paper we concentrate on the role of equations as de nitions of attribute val...
199
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BTW
2005
Springer
15 years 12 months ago
2005
Springer
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
185
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PODS
2012
ACM
13 years 8 months ago
2012
ACM
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...