3688 search results - page 401 / 738 » Requirements of Phylogenetic Databases |
279
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VLDB
2001
ACM
16 years 7 months ago
2001
ACM
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
301
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VLDB
2003
ACM
16 years 7 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
297
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VLDB
2003
ACM
16 years 7 months ago
2003
ACM
Recent work on querying data streams has focused on systems where newly arriving data is processed and continuously streamed to the user in real time. In many emerging applications...
261
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VLDB
2006
ACM
16 years 7 months ago
2006
ACM
For querying structured and semistructured data, data retrieval and document retrieval are two valuable and complementary techniques that have not yet been fully integrated. In thi...
269
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...