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» On the Notion of Pseudo-Free Groups
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PAIRING
2009
Springer
117views Cryptology» more  PAIRING 2009»
15 years 4 months ago
Identity Based Group Signatures from Hierarchical Identity-Based Encryption
A number of previous papers explored the notion of identity-based group signature. We present a generic construction of identity-based group signatures. Our construction is based o...
Nigel P. Smart, Bogdan Warinschi
62
Voted
CONCUR
2000
Springer
15 years 2 months ago
Secrecy and Group Creation
We add an operation of group creation to the typed π-calculus, where a group is a type for channels. Creation of fresh groups has the effect of statically preventing certain com...
Luca Cardelli, Giorgio Ghelli, Andrew D. Gordon
CIKM
2009
Springer
15 years 1 months ago
Efficient processing of group-oriented connection queries in a large graph
We study query processing in large graphs that are fundamental data model underpinning various social networks and Web structures. Given a set of query nodes, we aim to find the g...
James Cheng, Yiping Ke, Wilfred Ng
GROUP
1997
ACM
15 years 1 months ago
Team automata for groupware systems
Team automata have been proposed in Ellis (1997) as a formal framework for modeling both the conceptual and the architectural level of groupware systems. Here we define team autom...
Clarence A. Ellis
DPPI
2007
ACM
15 years 1 months ago
From entry to access: how shareability comes about
Abstract. Shareability is a design principle that refers to how a system, interface, or device engages a group of collocated, co-present users in shared interactions around the sam...
Eva Hornecker, Paul Marshall, Yvonne Rogers