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SACMAT
2009
ACM
14 years 2 months ago
Evaluating role mining algorithms
While many role mining algorithms have been proposed in recent years, there lacks a comprehensive study to compare these algorithms. These role mining algorithms have been evaluat...
Ian Molloy, Ninghui Li, Tiancheng Li, Ziqing Mao, ...
DIM
2005
ACM
13 years 10 months ago
Establishing and protecting digital identity in federation systems
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
Abhilasha Bhargav-Spantzel, Anna Cinzia Squicciari...
SIGMOD
1997
ACM
166views Database» more  SIGMOD 1997»
14 years 4 days ago
The InfoSleuth Project
The goal of the InfoSleuth project at MCC is to exploit and synthesize new technologies into a uni ed system that retrieves and processes information in an ever-changing network o...
Roberto J. Bayardo Jr., William Bohrer, Richard S....
JIPS
2006
126views more  JIPS 2006»
13 years 8 months ago
TASL: A Traffic-Adapted Sleep/Listening MAC Protocol for Wireless Sensor Network
In this paper, we proposed a MAC protocol, which can dynamically adjust Listening/Sleeping time rate of wireless sensor nodes according to data traffic load. In sensor networks, se...
Yuan Yang, Zhen Fu, Tae-Seok Lee, Myong-Soon Park
WWW
2002
ACM
14 years 8 months ago
Clustering for opportunistic communication
We describe ongoing work on I2I, a system aimed at fostering opportunistic communication among users viewing or manipulating content on the Web and in productivity applications. U...
Jay Budzik, Shannon Bradshaw, Xiaobin Fu, Kristian...