125 search results - page 14 / 25 » Efficient techniques for realizing geo-spatial access contro... |
WDAS
2000
13 years 9 months ago
2000
This paper reviews literature on scalable data structures for searching in a distributed computing environment. Starting with a system where one server manages a file of a given s...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
LCN
2007
IEEE
14 years 2 months ago
2007
IEEE
—Underwater Sensor Networks are typically distributed in nature and the nodes communicate using acoustic waves over a wireless medium. Such networks are characterized by long and...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Collaborative beamforming (CB) is a power efficient method for data communications in wireless sensor networks (WSNs) which aims at increasing the transmission range in the network...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
The Windows Vista operating system implements an interesting model of multi-level integrity. We observe that in this model, trusted code must participate in any information-flow a...