91 search results - page 6 / 19 » Aggregate Operators in Constraint Query Languages |
150
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ECEASST
2008
15 years 1 months ago
2008
The OCL (Object Constraint Language) as part of the UML (Unified Modeling Language) is a rich language with different collection kinds (sets, multi-sets, sequences) and a large var...
149
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SOSP
2009
ACM
15 years 10 months ago
2009
ACM
Data-intensive applications are increasingly designed to execute on large computing clusters. Grouped aggregation is a core primitive of many distributed programming models, and i...
102
Voted
ICPR
2008
IEEE
16 years 3 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...
105
Voted
DOLAP
2004
ACM
15 years 7 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
191
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VLDB
2007
ACM
16 years 2 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...