274 search results - page 23 / 55 » Computational complexity of queries based on itemsets |
136
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IS
2008
15 years 14 days ago
2008
In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
124
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ITICSE
2004
ACM
15 years 6 months ago
2004
ACM
SQL (Structured Query Language) is one of the essential topics in foundation databases courses in higher education. Due to its apparent simple syntax, learning to use the full pow...
107
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PVLDB
2008
14 years 12 months ago
2008
Given a parametrized n-dimensional SQL query template and a choice of query optimizer, a plan diagram is a color-coded pictorial enumeration of the execution plan choices of the o...
94
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SEMCO
2007
IEEE
15 years 6 months ago
2007
IEEE
In this paper we present an approach that combines multimedia reasoning and natural language processing for the semantic integration of automatic and manual image annotations base...
ICPPW
2006
IEEE
15 years 6 months ago
2006
IEEE
The ability to manage metadata is a critical requirement of the grid, but scientists have not been given the tools needed to catalog experimental data based complex metadata attri...