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» An Independence Relation for Sets of Secrets
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UAI
2004
15 years 7 months ago
Dependent Dirichlet Priors and Optimal Linear Estimators for Belief Net Parameters
A Bayesian belief network is a model of a joint distribution over a finite set of variables, with a DAG structure representing immediate dependencies among the variables. For each...
Peter Hooper
SIGMOD
2002
ACM
134views Database» more  SIGMOD 2002»
16 years 6 months ago
Data Modelling versus Ontology Engineering
Ontologies in current computer science parlance are computer based resources that represent agreed domain semantics. Unlike data models, the fundamental asset of ontologies is the...
Peter Spyns, Robert Meersman, Mustafa Jarrar
ECIR
2010
Springer
15 years 4 months ago
Query Aspect Based Term Weighting Regularization in Information Retrieval
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
Wei Zheng, Hui Fang
ICC
2009
IEEE
127views Communications» more  ICC 2009»
16 years 26 days ago
Dynamic Coexistence of Frequency Hopping Networks Using Parallel and Gaussian Allocations
Abstract—This paper studies the coexistence of several independent and dynamic wireless networks using the frequency hopping technique in the unlicensed radio band. We propose a ...
Mohammad Masud Hasan, Ravi Prakash, Jason P. Jue
DIS
2007
Springer
16 years 8 days ago
Unsupervised Spam Detection Based on String Alienness Measures
We propose an unsupervised method for detecting spam documents from Web page data, based on equivalence relations on strings. We propose 3 measures for quantifying the alienness (...
Kazuyuki Narisawa, Hideo Bannai, Kohei Hatano, Mas...