465 search results - page 11 / 93 » User-Centered Location Awareness |
220
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GIS
2008
ACM
16 years 3 months ago
2008
ACM
In this paper, we follow the role-based access control (RBAC) approach and extend it to provide for the dynamic association of roles with users. In our framework, privileges assoc...
117
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DEXAW
2002
IEEE
15 years 7 months ago
2002
IEEE
In this paper, we propose a new context-aware profile-based location management scheme. Besides temporal context that has been used in previous proposals, it considers spatial con...
111
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PERVASIVE
2005
Springer
15 years 7 months ago
2005
Springer
Ubiquitous Web systems have to deal with varying context information in order to support context awareness. Accomplishing this requirement necessitates gathering, processing and r...
103
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HICSS
2002
IEEE
15 years 7 months ago
2002
IEEE
This paper presents an architecture for location aware applications, where positioning sources such as GPS, WaveLAN and Bluetooth devices can be seamlessly interchanged or even co...
166
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DCOSS
2008
Springer
15 years 3 months ago
2008
Springer
We present the first local approximation schemes for maximum independent set and minimum vertex cover in unit disk graphs. In the graph model we assume that each node knows its geo...