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SIAMCOMP
2008
104views more  SIAMCOMP 2008»
15 years 4 months ago
A Group-Strategyproof Cost Sharing Mechanism for the Steiner Forest Game
We consider a game-theoretical variant of the Steiner forest problem in which each player j, out of a set of k players, strives to connect his terminal pair (sj, tj) of vertices in...
Jochen Könemann, Stefano Leonardi, Guido Sch&...
TCC
2004
Springer
96views Cryptology» more  TCC 2004»
15 years 10 months ago
On the Notion of Pseudo-Free Groups
We explore the notion of a pseudo-free group, first introduced by Hohenberger [Hoh03], and provide an alternative stronger definition. We show that if Z∗ n is a pseudo-free abe...
Ronald L. Rivest
HICSS
2003
IEEE
167views Biometrics» more  HICSS 2003»
15 years 10 months ago
Discovering Group Interaction Patterns in a Teachers Professional Community
Managers and group leaders of a community may not have enough information to help them direct the community development. In this paper, we adopt social network analysis, graph the...
Fu-ren Lin, Chun-Hung Chen, Kuo-Lung Tsai
CCS
2006
ACM
15 years 8 months ago
Scalable group communication system for scalable trust
Programmers of large-scale trusted systems need tools to simplify tasks such as replicating services or data. Group communication systems achieve this via various flavors of relia...
Krzysztof Ostrowski, Kenneth P. Birman
IADIS
2003
15 years 6 months ago
Selecting an Approach to Designing Group Support Systems
The increasing demand for group support in software has drawn more attention to the field of designing Group Support Systems. Notwithstanding all the research in this field the pr...
Jeroen van den Heuvel, Kees van Slooten, Roy Tai