4397 search results - page 310 / 880 » Relational Algebra Operations |
136
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
131
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INTERNET
2007
15 years 4 months ago
2007
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...
123
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CORR
2006
Springer
15 years 4 months ago
2006
Springer
Let S = s1, s2, s3, ..., sn be a given vector of n distinct real numbers. The rank of z R with respect to S is defined as the number of elements si S such that si z. We consider...
138
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ICFP
2007
ACM
16 years 4 months ago
2007
ACM
Operators for delimiting control and for capturing composable continuations litter the landscape of theoretical programming language research. Numerous papers explain their advant...
122
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ICALP
2005
Springer
15 years 10 months ago
2005
Springer
A union-find data structure maintains a collection of disjoint sets under makeset, union and find operations. Kaplan, Shafrir and Tarjan [SODA 2002] designed data structures for ...