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95
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CMS
2006
170views Communications» more  CMS 2006»
15 years 10 days ago
Enhanced CAPTCHAs: Using Animation to Tell Humans and Computers Apart
Abstract. Completely Automated Public Turing Test to tell Computers and Humans Apart (CAPTCHA) is a
Elias Athanasopoulos, Spyros Antonatos
77
Voted
CMS
2006
116views Communications» more  CMS 2006»
15 years 10 days ago
A Fair Anonymous Submission and Review System
Reputation systems play an important role in many Internet communities. They allow individuals to estimate other individual's behavior during interactions. However, a more pri...
Vincent Naessens, Liesje Demuynck, Bart De Decker
CMS
2006
15 years 10 days ago
Selective Encryption for Hierarchical MPEG
Selective encryption of visual data and especially MPEG has attracted a considerable number of researchers in recent years. Scalable visual formats are offering additional function...
Heinz Hofbauer, Thomas Stütz, Andreas Uhl
106
Voted
CMS
2006
150views Communications» more  CMS 2006»
15 years 10 days ago
Attribute Delegation Based on Ontologies and Context Information
This paper presents a model for delegation based on partial orders, proposing the subclass relation in OWL as a way to represent the partial orders. Delegation and authorization de...
Isaac Agudo, Javier Lopez, José A. Monteneg...
108
Voted
CMS
2006
175views Communications» more  CMS 2006»
15 years 10 days ago
Attack Graph Based Evaluation of Network Security
Abstract. The perspective directions in evaluating network security are simulating possible malefactor's actions, building the representation of these actions as attack graphs...
Igor V. Kotenko, Mikhail Stepashkin