441 search results - page 47 / 89 » Query expansion using random walk models |
MOBICOM
2009
ACM
14 years 4 months ago
2009
ACM
In this paper we investigate the connectivity for large-scale clustered wireless sensor and ad hoc networks. We study the effect of mobility on the critical transmission range fo...
TSP
2008
13 years 9 months ago
2008
Gossip algorithms for distributed computation are attractive due to their simplicity, distributed nature, and robustness in noisy and uncertain environments. However, using standa...
NIPS
2008
13 years 11 months ago
2008
We consider the problem of obtaining the approximate maximum a posteriori estimate of a discrete random field characterized by pairwise potentials that form a truncated convex mod...
SIGIR
2003
ACM
14 years 3 months ago
2003
ACM
Thesaurus has been widely used in many applications, including information retrieval, natural language processing, and question answering. In this paper, we propose a novel approa...
ML
2000
ACM
13 years 9 months ago
2000
ACM
This paper discusses a novel distributed adaptive algorithm and representation used to construct populations of adaptive Web agents. These InfoSpiders browse networked information ...