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150
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MMMACNS
2001
Springer
15 years 9 months ago
2001
Springer
Abstract. In the past five years there has been tremendous activity in rolebased access control (RBAC) models. Consensus has been achieved on a standard core RBAC model that is in ...
169
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PROFES
2001
Springer
15 years 9 months ago
2001
Springer
New information is obtained by research and disseminated by papers in conferences and journals. The synthesis of knowledge depends upon social discourse among the experts in a give...
126
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SIGUCCS
2000
ACM
15 years 9 months ago
2000
ACM
As the personal computer becomes a more integral part of the faculty member’s job, the increasing level of day-to-day computer support - often without increases in full-time sta...
132
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ELPUB
1999
ACM
15 years 9 months ago
1999
ACM
Internet based services, particularly asynchronous communication services, offer an environment suited to the rise of knowledge communities. Knowledge communities, or invisible co...
134
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CIA
1999
Springer
15 years 9 months ago
1999
Springer
When we communicate with others in a most primitive way like face-to-face conversation, we normally gather at a common physical place. This physical constraint has been recognized ...