602 search results - page 31 / 121 » An access control model for mobile physical objects |
121
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VLDB
1995
ACM
15 years 5 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
132
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NBIS
2007
Springer
15 years 8 months ago
2007
Springer
In ubiquitous computing environment, people carrying their mobile devices (eg., mobile phone, PDA, embedded devices) expect to access locally hosted services or resources anytime, ...
118
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EOR
2006
15 years 1 months ago
2006
: All information systems have to be protected. As the number of information objects and the number of users increase the task of information system's protection becomes more ...
BIOWIRE
2007
Springer
15 years 8 months ago
2007
Springer
Abstract. In this chapter we survey the most recent proposals for modelling user mobility in mobile pervasive networks, and specifically in opportunistic networks. We identify two...
129
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INFOCOM
2006
IEEE
15 years 7 months ago
2006
IEEE
— This paper analyzes and designs medium access control (MAC) protocols for wireless ad-hoc networks through the network utility maximization (NUM) framework. We first reverse-e...