441 search results - page 52 / 89 » Query expansion using random walk models |
SC
2003
ACM
14 years 3 months ago
2003
ACM
A Grid Information Service (GIS) stores information about the resources of a distributed computing environment and answers questions about it. We are developing RGIS, a GIS system...
MOBICOM
2003
ACM
14 years 3 months ago
2003
ACM
One of the most important methods for evaluating the characteristics of ad hoc networking protocols is through the use of simulation. Simulation provides researchers with a number...
ICASSP
2008
IEEE
14 years 4 months ago
2008
IEEE
We propose a simple and energy efficient distributed Change Detection scheme for sensor networks based on Page’s parametric CUSUM algorithm. The sensor observations are IID ove...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
ICIP
1998
IEEE
14 years 2 months ago
1998
IEEE
The method of wavelet thresholding for removing noise, or denoising, has been researched extensively due to its effectiveness and simplicity. Much of the literature has focused on ...