620 search results - page 13 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
125
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SSDBM
2009
IEEE
15 years 6 months ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
178
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...
DAWAK
1999
Springer
15 years 4 months ago
1999
Springer
A data warehouse DW can be seen as a set of materialized views de ned over remote base relations. When a query is posed, it is evaluated locally, using the materialized views, wi...
DASFAA
2006
IEEE
15 years 5 months ago
2006
IEEE
Abstract. To process aggregation queries issued through different sensors as access points in sensor networks, existing algorithms handle queries independently and perform in-netw...
125
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TSC
2010
14 years 6 months ago
2010
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...