1459 search results - page 265 / 292 » An authorization model for temporal data |
150
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LCN
2007
IEEE
16 years 8 days ago
2007
IEEE
— GRSB - Guaranteed, Reliable, Secure Broadcast - is a protocol that provides reliable and secure broadcast / multicast communications [1,2]. It can be implemented in many types ...
186
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TCSV
2008
15 years 5 months ago
2008
This paper presents a bottom-up approach that combines audio and video to simultaneously locate individual speakers in the video (2-D source localization) and segment their speech ...
163
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IUI
2009
ACM
16 years 2 months ago
2009
ACM
Selection tasks are common in modern computer interfaces: we are often required to select a set of files, emails, data entries, and the like. File and data browsers have sorting a...
151
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IPM
2002
15 years 5 months ago
2002
The emergence of general audience digital libraries (GADLs) defines a context that represents a hybrid of both ``traditional'' IR, using primarily bibliographic resource...
167
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CCS
2007
ACM
16 years 5 days ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...