651 search results - page 27 / 131 » Selectivity estimation in spatial networks |
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
In this paper we propose an approach that enables mobile clients to determine the validity of previous queries based on their current locations. In order to make this possible, th...
ICIP
2000
IEEE
14 years 10 months ago
2000
IEEE
In network delivery of digital video, if the bandwidth required for a video is not available, the video has to be recoded at a reduced bit rate. It is highly desirable that the tr...
MOBIHOC
2008
ACM
14 years 8 months ago
2008
ACM
We study blind estimation of transmission power of a node based on received power measurements obtained under wireless fading. Specifically, the setup consists of a set of monitor...
BMCBI
2006
13 years 8 months ago
2006
Background: Although short interfering RNA (siRNA) has been widely used for studying gene functions in mammalian cells, its gene silencing efficacy varies markedly and there are o...
MOBISYS
2003
ACM
14 years 8 months ago
2003
ACM
Advances in sensing and tracking technology enable location-based applications but they also create significant privacy risks. Anonymity can provide a high degree of privacy, save...