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SACMAT
2009
ACM
15 years 4 months ago
Supporting RBAC with XACML+OWL
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
Rodolfo Ferrini, Elisa Bertino
WEBI
2005
Springer
15 years 3 months ago
User Navigational Behavior in e-Learning Virtual Environments
In this paper we describe the navigational behavior of the students of a e-learning virtual environment, in order to determine whether such navigational patterns are related to th...
Joan Marc Carbó, Enric Mor, Julià Mi...
WWW
2004
ACM
15 years 10 months ago
Web-scale information extraction in knowitall: (preliminary results)
Manually querying search engines in order to accumulate a large body of factual information is a tedious, error-prone process of piecemeal search. Search engines retrieve and rank...
Oren Etzioni, Michael J. Cafarella, Doug Downey, S...
WWW
2004
ACM
15 years 10 months ago
Lessons from a Gnutella-web gateway
We present a gateway between the WWW and the Gnutella peer-topeer network that permits searchers on one side to be able to search and retrieve files on the other side of the gatew...
Brian D. Davison, Wei Zhang, Baoning Wu
MIR
2005
ACM
198views Multimedia» more  MIR 2005»
15 years 3 months ago
Semi-automatic video annotation based on active learning with multiple complementary predictors
In this paper, we will propose a novel semi-automatic annotation scheme for video semantic classification. It is well known that the large gap between high-level semantics and low...
Yan Song, Xian-Sheng Hua, Li-Rong Dai, Meng Wang