620 search results - page 63 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
150
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SAC
2010
ACM
15 years 9 months ago
2010
ACM
Developed using the principles of the Model-View-Controller architectural pattern, FolksEngine is a parametric search engine for folksonomies that allows us to test arbitrary sear...
236
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ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
Aggregation is among the core functionalities of OLAP systems. Frequently, such queries are issued in decision support systems to identify interesting groups of data. When more tha...
116
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TREC
2008
15 years 5 months ago
2008
A distributed information retrieval system with resourceselection and resultset merging capability was used to search subsets of the GOV2 document corpus for the 2008 TREC Million...
138
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DBPL
1995
Springer
15 years 7 months ago
1995
Springer
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
145
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VLDB
1991
ACM
15 years 7 months ago
1991
ACM
We propose a two-pha.se algorithm for physical database design. In phase one the algorithm, for each logical query, losesrules to determine characteristics of a physical design (s...