1343 search results - page 83 / 269 » Coverage by directional sensors |
FIDJI
2004
Springer
14 years 2 months ago
2004
Springer
We present a calculus for establishing non-interference of several Java threads running in parallel. The proof system is built atop an implemented sequential Java Dynamic Logic cal...
NETWORK
2007
13 years 8 months ago
2007
If we abstract a sensor network as a network graph consisting of vertices and edges, where vertices represent sensor nodes and edges represent distance measurements between neighbo...
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
Abstract Sensor devices produce data that are unreliable, low-level, and seldom able to be used directly by applications. In this paper, we propose Metaphysical Data Independence (...
MSN
2005
Springer
14 years 2 months ago
2005
Springer
Using directional antennas in wireless ad hoc networks is an attractive issue due to its potential advantages such as spatial reuse, low power consumption and low chance of interfe...
BIOID
2008
13 years 11 months ago
2008
Abstract. In this contribution, the vulnerabilities of iris-based recognition systems to direct attacks are studied. A database of fake iris images has been created from real iris ...