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SAC
2009
ACM
16 years 2 months ago
Defending online reputation systems against collaborative unfair raters through signal modeling and trust
Online feedback-based rating systems are gaining popularity. Dealing with collaborative unfair ratings in such systems has been recognized as an important but difficult problem. T...
Yafei Yang, Yan Lindsay Sun, Steven Kay, Qing Yang
KDD
2009
ACM
146views Data Mining» more  KDD 2009»
16 years 2 months ago
Online allocation of display advertisements subject to advanced sales contracts
In this paper we propose a utility model that accounts for both sales and branding advertisers. We first study the computational complexity of optimization problems related to bo...
Saeed Alaei, Esteban Arcaute, Samir Khuller, Wenji...
IISWC
2009
IEEE
16 years 2 months ago
A communication characterisation of Splash-2 and Parsec
Recent benchmark suite releases such as Parsec specifically utilise the tightly coupled cores available in chipmultiprocessors to allow the use of newer, high performance, models ...
Nick Barrow-Williams, Christian Fensch, Simon Moor...
INFOCOM
2009
IEEE
16 years 2 months ago
CPM: Adaptive Video-on-Demand with Cooperative Peer Assists and Multicast
—We present CPM, a unified approach that exploits server multicast, assisted by peer downloads, to provide efficient video-on-demand (VoD) in a service provider environment. We...
Vijay Gopalakrishnan, Samrat Bhattacharjee, K. K. ...
INFOCOM
2009
IEEE
16 years 2 months ago
NetTube: Exploring Social Networks for Peer-to-Peer Short Video Sharing
—The recent three years have witnessed an explosion of networked video sharing, represented by YouTube, as a new killer Internet application. Their sustainable development howeve...
Xu Cheng, Jiangchuan Liu