7576 search results - page 372 / 1516 » On Querying Ontologies and Databases |
195
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VLDB
1994
ACM
15 years 11 months ago
1994
ACM
Global clustering has rarely been investigated in the area of spatial database systems although dramatic performance improvements can be achieved by using suitable techniques. In ...
211
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JIIS
2000
15 years 6 months ago
2000
Abstract. Efficient query processing is one of the basic needs for data mining algorithms. Clustering algorithms, association rule mining algorithms and OLAP tools all rely on effi...
264
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Keyword search is a proven, user-friendly way to query HTML documents in the World Wide Web. We propose keyword search in XML documents, modeled as labeled trees, and describe cor...
200
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MOBIDE
2006
ACM
16 years 25 days ago
2006
ACM
Composition of temporal and spatial properties of real world objects in a unified data framework results into Moving Object Databases (MOD). MODs are able to process, manage and a...
224
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EDBT
2009
ACM
15 years 4 months ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...