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DGCI
2005
Springer
15 years 3 months ago
Computation of Homology Groups and Generators
Topological invariants are extremely useful in many applications related to digital imaging and geometric modeling, and homology is a classical one, which has not yet been fully e...
Samuel Peltier, Sylvie Alayrangues, Laurent Fuchs,...
ICCSA
2005
Springer
15 years 3 months ago
Security Flaws in Several Group Signatures Proposed by Popescu
In resent years, Popescu proposed several group signature schemes based on the Okamoto-Shiraishi assumption in [8–11], and claimed his schemes are secure. However, this paper dem...
Guilin Wang, Sihan Qing
ICMCS
2005
IEEE
68views Multimedia» more  ICMCS 2005»
15 years 3 months ago
A neural-field-like approach for modeling human group actions in meetings
In this paper we investigate a new architecture for recognizing human group actions in meetings. These group actions provide a basis that enables effective browsing and querying i...
Stephan Reiter, Gerhard Rigoll
AIED
2005
Springer
15 years 3 months ago
Formation of Learning Groups by using Learner Profiles and Context Information
An important but often neglected aspect in Computer Supported Collaborative Learning is the intelligent formation of learning groups. Until recently, support for group formation wa...
Martin Muehlenbrock
DAGM
2005
Springer
15 years 3 months ago
Agglomerative Grouping of Observations by Bounding Entropy Variation
Abstract. An information theoretic framework for grouping observations is proposed. The entropy change incurred by new observations is analyzed using the Kalman filter update equa...
Christian Beder