Sciweavers

1931 search results - page 40 / 387
» Managing coherent groups
Sort
View
SAC
2006
ACM
14 years 2 months ago
Grouping and aggregation in the concept-oriented data model
In the paper we describe the problem of grouping and aggregation in the concept-oriented data model. The model is based on ordering its elements within a hierarchical multidimensi...
Alexandr A. Savinov
JUCS
2010
186views more  JUCS 2010»
13 years 7 months ago
Context Awareness for Collaborative Learning with Uncertainty Management
: In Collaborative Learning, groups of students work together using traditional and computer-based tools or applications. Participants are continuously moving and reorganizing in g...
Roc Messeguer, Leandro Navarro, Pedro Damiá...
ECTEL
2007
Springer
14 years 2 months ago
Service-oriented Knowledge Architectures - Integrating Learning and Business Information Systems
This paper presents a dissertation project on business-integrated, service-oriented learning architectures. The isolation of corporate learning management from core business functi...
Katrina Leyking
INDOCRYPT
2003
Springer
14 years 1 months ago
Security Analysis of Several Group Signature Schemes
At Eurocrypt’91, Chaum and van Heyst introduced the concept of group signature. In such a scheme, each group member is allowed to sign messages on behalf of a group anonymously. ...
Guilin Wang
JCST
2007
98views more  JCST 2007»
13 years 8 months ago
Breaking and Repairing Trapdoor-Free Group Signature Schemes from Asiacrypt'2004
Group signature schemes allow a member of a group to sign messages anonymously on behalf of the group. In the case of later dispute, a designated group manager can revoke the anony...
Xinyi Huang, Willy Susilo, Yi Mu, Futai Zhang