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DSN
2008
IEEE
16 years 1 months ago
AGIS: Towards automatic generation of infection signatures
An important yet largely uncharted problem in malware defense is how to automate generation of infection signatures for detecting compromised systems, i.e., signatures that charac...
Zhuowei Li, XiaoFeng Wang, Zhenkai Liang, Michael ...
HPDC
2008
IEEE
16 years 1 months ago
Managing SLAs of heterogeneous workloads using dynamic application placement
In this paper we address the problem of managing heterogeneous workloads in a virtualized data center. We consider two different workloads: transactional applications and long-ru...
David Carrera, Malgorzata Steinder, Ian Whalley, J...
ICDCSW
2008
IEEE
16 years 1 months ago
Modeling Attack Behaviors in Rating Systems
Abstract— Online feedback-based rating systems are gaining popularity. Dealing with unfair ratings in such systems has been recognized as an important problem and many unfair rat...
Qinyuan Feng, Yafei Yang, Yan Lindsay Sun, Yafei D...
ICDCSW
2008
IEEE
16 years 1 months ago
On the Modeling of Honest Players in Reputation Systems
Reputation mechanisms are a key technique to trust assessment in large-scale decentralized systems. The effectiveness of reputation-based trust management fundamentally relies on ...
Qing Zhang, Ting Yu
ICDM
2008
IEEE
115views Data Mining» more  ICDM 2008»
16 years 1 months ago
Toward Faster Nonnegative Matrix Factorization: A New Algorithm and Comparisons
Nonnegative Matrix Factorization (NMF) is a dimension reduction method that has been widely used for various tasks including text mining, pattern analysis, clustering, and cancer ...
Jingu Kim, Haesun Park