2939 search results - page 159 / 588 » A geometric approach to aggregation |
135
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TMC
2011
14 years 8 months ago
2011
—We propose a method to compute a probably approximately correct (PAC) normalized histogram of observations with a refresh rate of Âð1Þ time units per histogram sample on a ra...
134
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EOR
2007
15 years 1 months ago
2007
This paper explores the application of ordered weighted averaging (OWA) operators to develop water quality index, which incorporates an attitudinal dimension in the aggregation pr...
198
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CVPR
2009
IEEE
16 years 9 months ago
2009
IEEE
In state-of-the-art image retrieval systems, an image is
represented by a bag of visual words obtained by quantizing
high-dimensional local image descriptors, and scalable
schem...
106
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CAISE
2003
Springer
15 years 7 months ago
2003
Springer
This paper shows that in education and training systems LOM can be used to map the structure of courses. The necessary extension of the aggregation level is introduced. The descrip...
129
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SIGMOD
2005
ACM
15 years 7 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...