3268 search results - page 257 / 654 » Database Technologies for RDF |
203
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WIDM
2006
ACM
16 years 15 days ago
2006
ACM
Increasingly, scientists are seeking to collaborate and share data among themselves. Such sharing is can be readily done by publishing data on the World-Wide Web. Meaningful query...
174
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APWEB
2004
Springer
15 years 12 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 ...
197
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CIKM
2004
Springer
15 years 12 months ago
2004
Springer
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained sec...
278
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IMTCI
2004
Springer
15 years 12 months ago
2004
Springer
We present a new approach to the grid technology that is based on updateable views. Views are used in two ways: (1) as wrappers of local servers that adopt local schemata to the fe...
218
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DAWAK
2000
Springer
15 years 11 months ago
2000
Springer
Abstract. Feature Extraction, also known as Multidimensional Scaling, is a basic primitive associated with indexing, clustering, nearest neighbor searching and visualization. We co...