1832 search results - page 298 / 367 » Querying RDF Data Using A Multigraph-based Approach |
139
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
We consider the problem of estimating set-expression cardinality in a distributed streaming environment where rapid update streams originating at remote sites are continually tran...
169
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CIDR
2007
15 years 7 months ago
2007
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
177
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In ...
169
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TC
1998
15 years 7 months ago
1998
Data integrity policies often require that quality and integrity metadata be generated and communicated to potential users. However, in data warehouses, federations, and other mul...
186
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BMCBI
2006
15 years 6 months ago
2006
Background: This article addresses the problem of interoperation of heterogeneous bioinformatics databases. Results: We introduce BioWarehouse, an open source toolkit for construc...