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AEOG
2011
143views more  AEOG 2011»
12 years 10 months ago
Analyzing the effects of scale and land use pattern metrics on land use database generalization indices
The generalization index system is one of the critical issues for computer-aided land use database generalization. This paper studies the scale and land use pattern effects on lan...
Yaolin Liu, Limin Jiao, Yanfang Liu
SDMW
2004
Springer
14 years 3 months ago
A Structure Preserving Database Encryption Scheme
Abstract. A new simple and efficient database encryption scheme is presented. The new scheme enables encrypting the entire content of the database without changing its structure. I...
Yuval Elovici, Ronen Waisenberg, Erez Shmueli, Ehu...
KDD
2012
ACM
178views Data Mining» more  KDD 2012»
12 years 15 days ago
Mining event periodicity from incomplete observations
Advanced technology in GPS and sensors enables us to track physical events, such as human movements and facility usage. Periodicity analysis from the recorded data is an important...
Zhenhui Li, Jingjing Wang, Jiawei Han
CVPR
2008
IEEE
15 years 2 days ago
Motion segmentation via robust subspace separation in the presence of outlying, incomplete, or corrupted trajectories
We examine the problem of segmenting tracked feature point trajectories of multiple moving objects in an image sequence. Using the affine camera model, this motion segmentation pr...
René Vidal, Roberto Tron, Shankar Rao, Yi M...
PODS
2009
ACM
130views Database» more  PODS 2009»
14 years 10 months ago
Secondary indexing in one dimension: beyond b-trees and bitmap indexes
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
Rasmus Pagh, Srinivasa Rao Satti