6654 search results - page 325 / 1331 » Querying Faceted Databases |
178
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DBISP2P
2005
Springer
16 years 9 days ago
2005
Springer
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...
191
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CINQ
2004
Springer
16 years 4 days ago
2004
Springer
We consider the problem of how one can estimate the support of Boolean queries given a collection of frequent itemsets. We describe an algorithm that truncates the inclusion-exclus...
230
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ICDT
2001
ACM
15 years 11 months ago
2001
ACM
This document proposes an algebra for XML Query. The algebra has been submitted to the W3C XML Query Working Group. A novel feature of the algebra is the use of regular-expression ...
162
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
Small Materialized Aggregates (SMAs for short) are considered a highly flexible and versatile alternative for materialized data cubes. The basic idea is to compute many aggregate ...
159
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DASFAA
2004
IEEE
15 years 10 months ago
2004
IEEE
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...