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» Evaluation Measures for TCBR Systems
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IAT
2009
IEEE
16 years 1 months ago
Social Trust-Aware Recommendation System: A T-Index Approach
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between us...
Alireza Zarghami, Soude Fazeli, Nima Dokoohaki, Mi...
GLOBECOM
2008
IEEE
16 years 1 months ago
Performance Analysis of Free-Space Optical Systems in Gamma-Gamma Fading
— Atmospheric turbulence induced fading is one of the main impairments affecting free–space optics (FSO). In recent years, Gamma–Gamma fading has become the dominant fading m...
Ehsan Bayaki, Robert Schober, Ranjan K. Mallik
VTC
2007
IEEE
150views Communications» more  VTC 2007»
16 years 24 days ago
Effects of Non-Ideal Channel Feedback on Dual-Stream MIMO-OFDMA System Performance
— In this paper we analyze the downlink OFDMA system-level performances of a 2x2 dual-stream MIMO multiuser transmission scheme under the assumptions of partial and noisy channel...
István Z. Kovács, Klaus I. Pedersen,...
IPPS
2000
IEEE
15 years 10 months ago
Bandwidth-Efficient Collective Communication for Clustered Wide Area Systems
Metacomputing infrastructures couple multiple clusters (or MPPs) via wide-area networks. A major problem in programming parallel applications for such platforms is their hierarchi...
Thilo Kielmann, Henri E. Bal, Sergei Gorlatch
NSDI
2008
15 years 8 months ago
cSamp: A System for Network-Wide Flow Monitoring
Critical network management applications increasingly demand fine-grained flow level measurements. However, current flow monitoring solutions are inadequate for many of these appl...
Vyas Sekar, Michael K. Reiter, Walter Willinger, H...