23 search results - page 4 / 5 » Fraud Detection through Graph-Based User Behavior Modeling |
AAAI
2004
13 years 8 months ago
2004
This paper introduces a hierarchical Markov model that can learn and infer a user's daily movements through the commue model uses multiple levels of abstraction in order to b...
DEXA
2003
Springer
14 years 20 days ago
2003
Springer
Abstract. Data mining, which aims at extracting interesting information from large collections of data, has been widely used as an effective decision making tool. Mining the datas...
WSE
2002
IEEE
14 years 10 days ago
2002
IEEE
The World Wide Web, initially intended as a way to publish static hypertexts on the Internet, is moving toward complex applications. Static Web sites are being gradually replaced ...
HF
2002
13 years 7 months ago
2002
This paper discusses a formal and rigorous approach to the analysis of operator interaction with machines. It addresses the acute problem of detecting design errors in human-machi...
ICCV
2001
IEEE
14 years 9 months ago
2001
IEEE
This paper presents a novel modeling algorithm that is capable of simultaneously recovering correct shape geometry as well as its unknown topology from arbitrarily complicated dat...