590 search results - page 6 / 118 » A usage-based authorization framework for collaborative comp... |
C5
2004
IEEE
13 years 10 months ago
2004
IEEE
We describe a design for a collaborative Virtual Learning Environment (VLE) to support massively multi-user and multi-institutional learning communities. This architecture extends...
CONTEXT
2003
Springer
13 years 12 months ago
2003
Springer
In conventional security systems, protected resources such as documents, hardware devices and software applications follow an On/Off access policy. On, allows to grant access and ...
ESORICS
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. In distributed computer systems, it is possible that the evaluation of an authorization policy may suffer unexpected failures, perhaps because a sub-policy cannot be eval...
SOUPS
2010
ACM
13 years 10 months ago
2010
ACM
Policies which address security and privacy are pervasive parts of both technical and social systems, and technology to enable both organizations and individuals to create and man...
ICWL
2009
Springer
14 years 1 months ago
2009
Springer
In this paper, we describe the design steps of extending LAOS, a five-layer framework for generic adaptive web learning authoring, by adding a social layer to capture (and adapt) i...