2514 search results - page 98 / 503 » On the Computation of Approximations of Database Queries |
164
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
163
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HPCC
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. We consider query execution strategies for object-oriented distributed databases. There are several scenarios of query decomposition, assuming that the corresponding quer...
296
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
-- In the database outsourcing paradigm, a data owner (DO) delegates its DBMS administration to a specialized service provider (SP) that receives and processes queries from clients...
272
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
105
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
A view selection algorithm takes as input a fact table and computes a set of views to store in order to speed up queries. The performance of view selection algorithm is usually me...