208 search results - page 27 / 42 » Efficient Computation of Multiple Group By Queries |
WAIM
2007
Springer
14 years 1 months ago
2007
Springer
We propose DHCS, a method of distributed, hierarchical clustering and summarization for online data analysis and mining in sensor networks. Different from the acquisition and aggre...
ICCV
2009
IEEE
15 years 18 days ago
2009
IEEE
We present an algorithm for detecting human actions
based upon a single given video example of such actions.
The proposed method is unsupervised, does not require
learning, segm...
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
We present a multiscale spectral image segmentation algorithm. In contrast to most multiscale image processing, this algorithm works on multiple scales of the image in parallel, w...
CEC
2011
IEEE
12 years 7 months ago
2011
IEEE
—In many systems providing storage and retrieval operations on data, indices are used to make these operations more efficient. Distributed storage systems provide means to distr...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...