6905 search results - page 857 / 1381 » Querying Multidimensional Databases |
177
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SSD
2007
Springer
16 years 1 months ago
2007
Springer
In this paper we study the evaluation of continuous constraint queries (CCQs) for spatiotemporal streams. A CCQ triggers an alert whenever a configuration of constraints between s...
240
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PPSWR
2005
Springer
16 years 1 months ago
2005
Springer
Metadata processing is recognized as a central challenge for database research in the next decade. Already, novel desktop data management and search applications (cf. Apple’s Spo...
230
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WEBDB
2004
Springer
16 years 28 days ago
2004
Springer
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
235
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FQAS
2009
Springer
16 years 6 days ago
2009
Springer
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...
314
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SPIRE
2001
Springer
16 years 23 hour ago
2001
Springer
In this paper, we study query processing in a distributed text database. The novelty is a real distributed architecture implementation that offers concurrent query service. The di...