208 search results - page 32 / 42 » Efficient Computation of Multiple Group By Queries |
DEBS
2010
ACM
14 years 2 days ago
2010
ACM
An effective means for building Internet-scale distributed applications, and in particular those involving group-based information sharing, is to deploy peer-to-peer overlay netwo...
PAMI
2007
13 years 8 months ago
2007
—A probabilistic formulation for semantic image annotation and retrieval is proposed. Annotation and retrieval are posed as classification problems where each class is defined as...
CVPR
2009
IEEE
15 years 4 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...
ECCV
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. This paper presents an exemplar-based approach to detecting and localizing human actions, such as running, cycling, and swinging, in realistic videos with dynamic backgro...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
We consider the problem of efficiently computing weighted proximity best-joins over multiple lists, with applications in information retrieval and extraction. We are given a multi-...