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UM
2001
Springer
15 years 10 months ago
User Modelling in I-Help: What, Why, When and How
This paper describes user modelling in I-Help, a system to facilitate communication amongst learners. There are two I-Help components: Private and Public Discussions. In the Privat...
Susan Bull, Jim E. Greer, Gordon I. McCalla, Lori ...
SIGOPS
2010
127views more  SIGOPS 2010»
15 years 4 months ago
Optimizing information flow in the gossip objects platform
Gossip-based protocols are commonly used for diffusing information in large-scale distributed applications. GO (Gossip Objects) is a per-node gossip platform that we developed in...
Ymir Vigfusson, Ken Birman, Qi Huang, Deepak P. Na...
CDC
2008
IEEE
16 years 25 days ago
Passivity-based output synchronization and flocking algorithm in SE(3)
Abstract— This paper addresses passivity-based output synchronization and a collision avoidance problem of rigid bodies in the Special Euclidean group SE(3) under the assumption ...
Yuji Igarashi, Takeshi Hatanaka, Masayuki Fujita, ...
HPCA
1996
IEEE
15 years 10 months ago
Telegraphos: High-Performance Networking for Parallel Processing on Workstation Clusters
Networks of workstations and high-performance microcomputers have been rarely used for running highperformance applicationslike multimedia, simulations,scientific and engineering ...
Evangelos P. Markatos, Manolis Katevenis
SACMAT
2004
ACM
15 years 11 months ago
Using trust and risk in role-based access control policies
Emerging trust and risk management systems provide a framework for principals to determine whether they will exchange resources, without requiring a complete definition of their ...
Nathan Dimmock, András Belokosztolszki, Dav...