3225 search results - page 477 / 645 » Query Optimization by Stored Queries |
181
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ML
2007
ACM
15 years 6 months ago
2007
ACM
We prove new lower bounds for learning intersections of halfspaces, one of the most important concept classes in computational learning theory. Our main result is that any statist...
174
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PVLDB
2008
15 years 5 months ago
2008
Declarative languages have recently been proposed for many new applications outside of traditional data management. Since these are relatively early research efforts, it is import...
173
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PEPM
2009
ACM
16 years 3 months ago
2009
ACM
Abstract. This paper presents techniques and tools to transform spreadsheets into relational databases and back. A set of data refinement rules is introduced to map a tabular data...
145
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ICALP
2005
Springer
15 years 12 months ago
2005
Springer
We consider the problem of testing the commutativity of a black-box group specified by its k generators. The complexity (in terms of k) of this problem was first considered by Pa...
155
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ECIR
2006
Springer
15 years 7 months ago
2006
Springer
Abstract. WWW Video Search Engines have become increasingly commonplace within the last few years and at the same time video retrieval research has been receiving more attention wi...