2674 search results - page 399 / 535 » Data Models and Query Languages for Spatial Databases |
113
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PODS
2007
ACM
16 years 2 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
143
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SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
136
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IKE
2004
15 years 3 months ago
2004
In Geoscience domain, large amounts of data are accessible, however they vary in formats and are stored at various organizations leading to problems of data discovery, data intero...
138
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ECIS
2003
15 years 3 months ago
2003
XML has been known as a document standard in representation and exchange of data on the Internet, and is also used as a standard language for the search and reuse of scattered doc...
141
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DASFAA
2006
IEEE
15 years 8 months ago
2006
IEEE
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...