Sciweavers

4177 search results - page 781 / 836
» On the Performance of Ant-based Clustering
Sort
View
DOLAP
2003
ACM
14 years 2 months ago
Hierarchical dwarfs for the rollup cube
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...
MM
2003
ACM
241views Multimedia» more  MM 2003»
14 years 2 months ago
Invariance in motion analysis of videos
In this paper, we propose an approach that retrieves motion of objects from the videos based on the dynamic time warping of view invariant characteristics. The motion is represent...
Cen Rao, Mubarak Shah, Tanveer Fathima Syeda-Mahmo...
PADS
2003
ACM
14 years 2 months ago
HLA-based Adaptive Distributed Simulation of Wireless Mobile Systems
Wireless networks’ models differ from wired ones at least in the innovative dynamic effects of host-mobility and open-broadcast nature of the wireless medium. Topology changes d...
Luciano Bononi, Gabriele D'Angelo, Lorenzo Donatie...
ECCV
2010
Springer
14 years 2 months ago
Fast Approximate Nearest Neighbor Methods for Non-Euclidean Manifolds with Applications to Human Activity Analysis in Videos
Approximate Nearest Neighbor (ANN) methods such as Locality Sensitive Hashing, Semantic Hashing, and Spectral Hashing, provide computationally ecient procedures for nding objects...
Rizwan Chaudhry, Yuri Ivanov
SIGMOD
2010
ACM
277views Database» more  SIGMOD 2010»
14 years 1 months ago
A comparison of join algorithms for log processing in MaPreduce
The MapReduce framework is increasingly being used to analyze large volumes of data. One important type of data analysis done with MapReduce is log processing, in which a click-st...
Spyros Blanas, Jignesh M. Patel, Vuk Ercegovac, Ju...