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IAT
2009
IEEE
14 years 2 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...
ICASSP
2009
IEEE
14 years 2 months ago
RLS-weighted Lasso for adaptive estimation of sparse signals
The batch least-absolute shrinkage and selection operator (Lasso) has well-documented merits for estimating sparse signals of interest emerging in various applications, where obse...
Daniele Angelosante, Georgios B. Giannakis
GCB
2009
Springer
180views Biometrics» more  GCB 2009»
14 years 2 months ago
2D Projections of RNA Folding Landscapes
Abstract: The analysis of RNA folding landscapes yields insights into the kinetic folding behavior not available from classical structure prediction methods. This is especially imp...
Ronny Lorenz, Christoph Flamm, Ivo L. Hofacker
SIGCOMM
2009
ACM
14 years 2 months ago
Opportunistic forwarding in workplaces
So far, the search for Opportunistic Network (ON) applications has focused on urban/rural scenarios where the combined use of mobility and the store-carry-and-forward paradigm hel...
Sabrina Gaito, Elena Pagani, Gian Paolo Rossi
ICASSP
2008
IEEE
14 years 2 months ago
Application of sparse signal recovery to pilot-assisted channel estimation
We examine the application of current research in sparse signal recovery to the problem of channel estimation. Specifically, using an Orthogonal Frequency Division Multiplexed (O...
Matthew Sharp, Anna Scaglione