640 search results - page 84 / 128 » Access Control for Active Spaces |
PRESENCE
1998
13 years 8 months ago
1998
We present a virtual environment application that allows users to access embedded information within an immersive virtual space. Due to the richness and complexity of this environ...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
A conventional materialized view blindly materializes and maintains all rows of a view, even rows that are never accessed. We propose a more flexible materialization strategy aime...
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
— Multihop cellular networks offer increased coverage and capacity compared to singlehop cells of the same size. This is not as huge as using more base stations (BS) instead of w...
ICECCS
2008
IEEE
14 years 3 months ago
2008
IEEE
Ubiquitous computing systems can be regarded as open systems where heterogeneous and previously unknown entities may spontaneously interact, due to intrinsic mobility of users and...
VTC
2007
IEEE
14 years 3 months ago
2007
IEEE
— In the paper, we propose a novel scheduling mechanism without modifying the existing IEEE 802.11 MAC, called wireless Radio-Matching Protocol (RMP). It takes account of interfe...