4237 search results - page 282 / 848 » A Data Model for XML Databases |
152
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VLDB
1999
ACM
15 years 9 months ago
1999
ACM
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...
136
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PODS
2007
ACM
16 years 4 months ago
2007
ACM
This paper gives an overview of recent work on machine models for processing massive amounts of data. The main focus is on generalizations of the classical data stream model where...
247
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VLDB
2008
ACM
16 years 4 months ago
2008
ACM
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
126
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ADBIS
2006
Springer
15 years 10 months ago
2006
Springer
Computational database technology spans the two research fields data-base technology and scientific computing. It involves development of database capabilities that support compu...
224
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
We present an overview of a tutorial on model management--an approach to solving data integration problems, such as data warehousing, e-commerce, object-to-relational mapping, sch...