Sciweavers

3570 search results - page 225 / 714
» Using the Small-World Model to Improve Freenet Performance
Sort
View
TSP
2008
57views more  TSP 2008»
15 years 6 months ago
Polarimetric Detection of Targets in Heavy Inhomogeneous Clutter
Polarization diversity has proved to be a useful tool for radar detection, especially when discrimination by Doppler effect is not possible. In this paper, we address the problem o...
Martin Hurtado, Arye Nehorai
SIGIR
2006
ACM
16 years 15 days ago
User modeling for full-text federated search in peer-to-peer networks
User modeling for information retrieval has mostly been studied to improve the effectiveness of information access in centralized repositories. In this paper we explore user model...
Jie Lu, James P. Callan
CORR
2010
Springer
91views Education» more  CORR 2010»
15 years 6 months ago
Shadowing Effects on Routing Protocol of Multihop Ad Hoc Networks
Two-ray ground reflection model has been widely used as the propagation model to investigate the performance of an ad hoc network. But two-ray model is too simple to represent a r...
Anwar Hossain, Mohammed Tarique, Rumana Islam
MTA
2006
115views more  MTA 2006»
15 years 6 months ago
Cache modeling and optimization for portable devices running MPEG-4 video decoder
Abstract There are increasing demands on portable communication devices to run multimedia applications. ISO (an International Organization for Standardization) standard MPEG-4 is a...
Abu Asaduzzaman, Imad Mahgoub
BMCBI
2006
100views more  BMCBI 2006»
15 years 6 months ago
Using the nucleotide substitution rate matrix to detect horizontal gene transfer
Background: Horizontal gene transfer (HGT) has allowed bacteria to evolve many new capabilities. Because transferred genes perform many medically important functions, such as conf...
Micah Hamady, M. D. Betterton, Rob Knight