Sciweavers

79 search results - page 4 / 16
» Parameter sensitivity in the probabilistic model for ad-hoc ...
Sort
View
IFIP
2009
Springer
14 years 2 months ago
HMM-Based Trust Model
Probabilistic trust has been adopted as an approach to taking security sensitive decisions in modern global computing environments. Existing probabilistic trust frameworks either a...
Ehab ElSalamouny, Vladimiro Sassone, Mogens Nielse...
WSDM
2012
ACM
309views Data Mining» more  WSDM 2012»
12 years 3 months ago
Mining contrastive opinions on political texts using cross-perspective topic model
This paper presents a novel opinion mining research problem, which is called Contrastive Opinion Modeling (COM). Given any query topic and a set of text collections from multiple ...
Yi Fang, Luo Si, Naveen Somasundaram, Zhengtao Yu
IPM
2007
85views more  IPM 2007»
13 years 7 months ago
A retrospective study of a hybrid document-context based retrieval model
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
Ho Chung Wu, Robert W. P. Luk, Kam-Fai Wong, K. L....
SIGIR
2002
ACM
13 years 7 months ago
The Importance of Prior Probabilities for Entry Page Search
An important class of searches on the world-wide-web has the goal to find an entry page (homepage) of an organisation. Entry page search is quite different from Ad Hoc search. Ind...
Wessel Kraaij, Thijs Westerveld, Djoerd Hiemstra
INFOCOM
2010
IEEE
13 years 6 months ago
A Reaction-Diffusion Model for Epidemic Routing in Sparsely Connected MANETs
—We propose and investigate a deterministic traveling wave model for the progress of epidemic routing in disconnected mobile ad hoc networks. In epidemic routing, broadcast or un...
Daniel J. Klein, João Pedro Hespanha, Upama...