2853 search results - page 95 / 571 » On the Efficiency of Provenance Queries |
190
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SSDBM
2000
IEEE
15 years 10 months ago
2000
IEEE
Multidimensional data cubes are used in large data warehouses as a tool for online aggregation of information. As the number of dimensions increases, supporting efficient queries ...
181
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PVLDB
2008
15 years 5 months ago
2008
Graphs are widely used to model complicated data semantics in many applications. In this paper, we aim to develop efficient techniques to retrieve graphs, containing a given query...
173
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ESCIENCE
2007
IEEE
15 years 10 months ago
2007
IEEE
Data sources, storage, computing resources and services are entities on Grids that require mechanisms for publication and lookup. A discovery service relies on efficient lookup to...
170
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model ...
226
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JBCS
2010
15 years 1 months ago
2010
Schema matching is a fundamental issue to many database applications, such as query mediation and data warehousing. It becomes a challenge when different vocabularies are used to r...