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WWW
2007
ACM
14 years 8 months ago
Netprobe: a fast and scalable system for fraud detection in online auction networks
Given a large online network of online auction users and their histories of transactions, how can we spot anomalies and auction fraud? This paper describes the design and implemen...
Shashank Pandit, Duen Horng Chau, Samuel Wang, Chr...
SIGECOM
2009
ACM
117views ECommerce» more  SIGECOM 2009»
14 years 2 months ago
Sybilproof transitive trust protocols
We study protocols to enable one user (the principal) to make potentially profitable but risky interactions with another user (the agent), in the absence of direct trust between ...
Paul Resnick, Rahul Sami
WWW
2006
ACM
14 years 8 months ago
Mining search engine query logs for query recommendation
This paper presents a simple and intuitive method for mining search engine query logs to get fast query recommendations on a large scale industrial-strength search engine. In orde...
Zhiyong Zhang, Olfa Nasraoui
INTERACT
2007
13 years 9 months ago
Towards a Physiological Model of User Interruptability
User interruptability has become an important topic of study in Human-Computer Interaction (HCI). However, automatically determining the availability of users is still problematic....
Daniel Chen, Jamie Hart, Roel Vertegaal
SDM
2010
SIAM
217views Data Mining» more  SDM 2010»
13 years 6 months ago
Collaborative Filtering: Weighted Nonnegative Matrix Factorization Incorporating User and Item Graphs
Collaborative filtering is an important topic in data mining and has been widely used in recommendation system. In this paper, we proposed a unified model for collaborative fil...
Quanquan Gu, Jie Zhou, Chris H. Q. Ding