326 search results - page 20 / 66 » Misuse detection for information retrieval systems |
KDD
2006
ACM
14 years 7 months ago
2006
ACM
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
This paper describes a system for object segmentation and feature extraction for surveillance video. Segmentation is performed by a dynamic vision system that fuses information fr...
HICSS
2002
IEEE
14 years 11 days ago
2002
IEEE
We describe a system for rapidly determining document similarity among a set of documents obtained from an information retrieval (IR) system. We obtain a ranked list of the most i...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Previous anti-spamming algorithms based on link structure suffer from either the weakness of the page value metric or the vagueness of the seed selection. In this paper, we propos...
DKE
2006
13 years 7 months ago
2006
Hidden Web databases maintain a collection of specialised documents, which are dynamically generated in response to users' queries. The majority of these documents are genera...