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IJON
2006
76views more  IJON 2006»
15 years 4 months ago
Joint maps for orientation, eye, and direction preference in a self-organizing model of V1
Primary visual cortex (V1) contains overlaid feature maps for orientation (OR), motion direction selectivity (DR), and ocular dominance (OD). Neurons in these maps are connected l...
James A. Bednar, Risto Miikkulainen
TDSC
2008
87views more  TDSC 2008»
15 years 4 months ago
Credit Card Fraud Detection Using Hidden Markov Model
Due to a rapid advancement in the electronic commerce technology, the use of credit cards has dramatically increased. As credit card becomes the most popular mode of payment for bo...
Abhinav Srivastava, Amlan Kundu, Shamik Sural, Aru...
PKDD
2009
Springer
110views Data Mining» more  PKDD 2009»
15 years 11 months ago
Using Temporal Language Models for Document Dating
Abstract. In order to increase precision in searching for web pages or web documents, taking the temporal dimension into account is gaining increased interest. A particular problem...
Nattiya Kanhabua, Kjetil Nørvåg
CCS
2007
ACM
15 years 10 months ago
An information-theoretic model for adaptive side-channel attacks
We present a model of adaptive side-channel attacks which we combine with information-theoretic metrics to quantify the information revealed to an attacker. This allows us to expr...
Boris Köpf, David A. Basin
HYBRID
2007
Springer
15 years 10 months ago
Coupling from the Past in Hybrid Models for File Sharing Peer to Peer Systems
In this paper we show how file sharing peer to peer systems can be modeled by hybrid systems with a continuous part corresponding to a fluid limit of files and a discrete part c...
Bruno Gaujal, Florence Perronnin