76 search results - page 15 / 16 » A tool for role-based chatting |
CANDC
2009
ACM
13 years 4 months ago
2009
ACM
There has been much recent interest in the development of tools to foster remote collaboration and shared creative work. An open question is: what are the guidelines for this proc...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
Abstract-- A decomposition of a binary matrix into two matrices gives a set of basis vectors and their appropriate combination to form the original matrix. Such decomposition solut...
SACMAT
2009
ACM
14 years 23 days ago
2009
ACM
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
SACMAT
2003
ACM
13 years 11 months ago
2003
ACM
In large organizations the administration of access privileges (such as the assignment of an access right to a user in a particular role) is handled cooperatively through distribu...
IM
1997
13 years 7 months ago
1997
Policies are a means of influencing management behaviour within a distributed system, without coding the behaviour into the managers. Authorisation policies specify what activitie...