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AINA
2007
IEEE
16 years 28 days ago
Heuristics for Improving Cryptographic Key Assignment in a Hierarchy
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
Anne V. D. M. Kayem, Patrick Martin, Selim G. Akl
ICDM
2007
IEEE
180views Data Mining» more  ICDM 2007»
16 years 27 days ago
Mining Frequent Itemsets in a Stream
We study the problem of finding frequent itemsets in a continuous stream of transactions. The current frequency of an itemset in a stream is defined as its maximal frequency ove...
Toon Calders, Nele Dexters, Bart Goethals
ICDM
2007
IEEE
124views Data Mining» more  ICDM 2007»
16 years 27 days ago
Community Learning by Graph Approximation
Learning communities from a graph is an important problem in many domains. Different types of communities can be generalized as link-pattern based communities. In this paper, we p...
Bo Long, Xiaoyun Xu, Zhongfei (Mark) Zhang, Philip...
ICRA
2007
IEEE
161views Robotics» more  ICRA 2007»
16 years 27 days ago
Manipulation Planning Among Movable Obstacles
— This paper presents the ResolveSpatialConstraints (RSC) algorithm for manipulation planning in a domain with movable obstacles. Empirically we show that our algorithm quickly g...
Mike Stilman, Jan-Ullrich Schamburek, James Kuffne...
ICMCS
2006
IEEE
226views Multimedia» more  ICMCS 2006»
16 years 19 days ago
Detection of LSB Steganography based on Image Smoothness
The detection of LSB steganography is a question of common interest in the research of steganalysis techniques. In this paper, the distribution of the difference between the curre...
Tao Zhang, Yan Zhang, Xijian Ping, Mingwu Song