640 search results - page 42 / 128 » Access Control for Active Spaces |
IKE
2003
13 years 10 months ago
2003
Many information retrieval systems use the inverted file as indexing structure. The inverted file, however, is not suited to supporting incremental updates when new documents are ...
VISUALIZATION
1997
IEEE
14 years 1 months ago
1997
IEEE
Navigation through 3D spaces is required in many interactive graphics and virtual reality applications. We consider the subclass of situations in which a 2D device such as a mouse...
SIGCOMM
2010
ACM
13 years 9 months ago
2010
ACM
Security functions such as access control, encryption and authentication are typically left up to applications on the modern Internet. There is no unified system to implement thes...
WCNC
2008
IEEE
14 years 3 months ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
VTC
2010
IEEE
13 years 7 months ago
2010
IEEE
— In this paper, we propose a downlink power control scheme for a wireless system which utilizes a smart antenna technology for space division multiple access(SDMA). In the wirel...