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CISS
2008
IEEE
16 years 1 months ago
A lower-bound on the number of rankings required in recommender systems using collaborativ filtering
— We consider the situation where users rank items from a given set, and each user ranks only a (small) subset of all items. We assume that users can be classified into C classe...
Peter Marbach
COLCOM
2008
IEEE
16 years 1 months ago
Replication in Overlay Networks: A Multi-objective Optimization Approach
Recently, overlay network-based collaborative applications such as instant messaging, content sharing, and Internet telephony are becoming increasingly popular. Many of these appli...
Osama Al-Haj Hassan, Lakshmish Ramaswamy, John A. ...
ICC
2008
IEEE
125views Communications» more  ICC 2008»
16 years 1 months ago
Combining Speak-Up with DefCOM for Improved DDoS Defense
—This work combines two existing defenses against distributed denial-of-service (DDoS) attacks DefCOM and Speak-up resulting in a synergistic improvement. DefCOM defense organize...
Mohit Mehta, Kanika Thapar, George C. Oikonomou, J...
PDP
2007
IEEE
16 years 1 months ago
A High-Level Reference Model for Reusable Object-Level Coordination Support in Groupware Applications
The success of groupware software largely depends on its capability for being reused in different collaborative scenarios without requiring significant software development effort...
Miguel A. Gomez-Hernandez, Juan I. Asensio-P&eacut...
ACIVS
2007
Springer
16 years 1 months ago
Spatiotemporal Fusion Framework for Multi-camera Face Orientation Analysis
In this paper, we propose a collaborative technique for face orientation estimation in smart camera networks. The proposed spatiotemporal feature fusion analysis is based on active...
Chung-Ching Chang, Hamid K. Aghajan