Sciweavers

3394 search results - page 120 / 679
» A Space and Time Efficient Algorithm for SimRank Computation
Sort
View
SIGMOD
2003
ACM
141views Database» more  SIGMOD 2003»
14 years 8 months ago
QC-Trees: An Efficient Summary Structure for Semantic OLAP
Recently, a technique called quotient cube was proposed as a summary structure for a data cube that preserves its semantics, with applications for online exploration and visualiza...
Laks V. S. Lakshmanan, Jian Pei, Yan Zhao
ICDM
2009
IEEE
150views Data Mining» more  ICDM 2009»
13 years 5 months ago
Filtering and Refinement: A Two-Stage Approach for Efficient and Effective Anomaly Detection
Anomaly detection is an important data mining task. Most existing methods treat anomalies as inconsistencies and spend the majority amount of time on modeling normal instances. A r...
Xiao Yu, Lu An Tang, Jiawei Han
PKDD
2010
Springer
125views Data Mining» more  PKDD 2010»
13 years 5 months ago
NDPMine: Efficiently Mining Discriminative Numerical Features for Pattern-Based Classification
Abstract. Pattern-based classification has demonstrated its power in recent studies, but because the cost of mining discriminative patterns as features in classification is very ex...
Hyungsul Kim, Sangkyum Kim, Tim Weninger, Jiawei H...
ADC
2010
Springer
266views Database» more  ADC 2010»
13 years 3 months ago
Counting distinct objects over sliding windows
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...
Wenjie Zhang, Ying Zhang, Muhammad Aamir Cheema, X...
CVPR
2003
IEEE
14 years 10 months ago
Visual Hull Alignment and Refinement Across Time: A 3D Reconstruction Algorithm Combining Shape-From-Silhouette with Stereo
Visual Hull (VH) construction from silhouette images is a popular method of shape estimation. The method, also known as Shape-From-Silhouette (SFS), is used in many applications s...
German K. M. Cheung, Simon Baker, Takeo Kanade