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IFIP
2007
Springer
16 years 2 days ago
Insider Threat Analysis Using Information-Centric Modeling
Capability acquisition graphs (CAGs) provide a powerful framework for modeling insider threats, network attacks and system vulnerabilities. However, CAG-based security modeling sys...
Duc T. Ha, Shambhu J. Upadhyaya, Hung Q. Ngo, S. P...
ESWS
2005
Springer
15 years 11 months ago
An Ontology-Based Information Retrieval Model
Semantic search has been one of the motivations of the Semantic Web since it was envisioned. We propose a model for the exploitation of ontologybased KBs to improve search over lar...
David Vallet, Miriam Fernández, Pablo Caste...
ACL
2010
15 years 4 months ago
Minimized Models and Grammar-Informed Initialization for Supertagging with Highly Ambiguous Lexicons
We combine two complementary ideas for learning supertaggers from highly ambiguous lexicons: grammar-informed tag transitions and models minimized via integer programming. Each st...
Sujith Ravi, Jason Baldridge, Kevin Knight
NAACL
2010
15 years 3 months ago
Unsupervised Model Adaptation using Information-Theoretic Criterion
In this paper we propose a novel general framework for unsupervised model adaptation. Our method is based on entropy which has been used previously as a regularizer in semi-superv...
Ariya Rastrow, Frederick Jelinek, Abhinav Sethy, B...
ISBI
2004
IEEE
16 years 6 months ago
Model Based Symmetric Information Theoretic Large Deformation Multi-Modal Image Registration
This paper presents a Bayesian framework for generating inverse-consistent inter-subject large deformation transformations between two multi-modal image sets of the brain. In this...
Peter Lorenzen, Brad Davis, Sarang C. Joshi