197 search results - page 6 / 40 » Access control in collaborative commerce |
SIGCSE
2005
ACM
14 years 3 months ago
2005
ACM
The University of Washington’s Classroom Presenter lecturing system enables an active lecturing environment by combining a standard electronic slide presentation format with the...
CSCW
2010
ACM
14 years 6 months ago
2010
ACM
In a world of widespread information access, information can overwhelm collaborators, even with visualizations to help. We extend prior work to study the effect of shared informat...
CSCWD
2008
Springer
13 years 11 months ago
2008
Springer
Role-based access control (RBAC) has been proven to be a flexible and useful access control model for information sharing in distributed collaborative environments. Permission-rol...
FAST
2009
13 years 7 months ago
2009
Lineage stores often contain sensitive information that needs protection from unauthorized access. We build on prior work for security and privacy of lineage information, focusing...
GLOBECOM
2009
IEEE
14 years 4 months ago
2009
IEEE
—We address the problem of collaborative sensing in cognitive radios. In a cognitive radio network, all the nodes may sense the spectrum simultaneously. They should then exchange...