602 search results - page 57 / 121 » An access control model for mobile physical objects |
105
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SIGGRAPH
1994
ACM
15 years 6 months ago
1994
ACM
We present a new particle-based approach to sampling and controlling implicit surfaces. A simple constraint locks a set of particles onto a surface while the particles and the sur...
126
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CONCURRENCY
1998
15 years 1 months ago
1998
Universal Personal Computing (UPC) supports nomadic computing on the Internet by allowing mobile users to access their personalized computing resources anywhere on the Internet us...
117
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VLDB
1999
ACM
15 years 6 months ago
1999
ACM
In a temporal OODB, an OID index (OIDX) is needed to map from OID to the physical location of the object. In a transaction time temporal OODB, the OIDX should also index the objec...
131
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MOBIHOC
2002
ACM
16 years 1 months ago
2002
ACM
This paper presents a new carrier sensing mechanism called DVCS (Directional Virtual Carrier Sensing) for wireless communication using directional antennas. DVCS does not require ...
112
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IICS
2003
Springer
15 years 7 months ago
2003
Springer
Today’s global markets demand global processes. Increasingly, these processes are not only distributed, but also contain mobile aspects. We discuss two challenges brought about b...