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CORR
2010
Springer
111views Education» more  CORR 2010»
13 years 10 months ago
Improved complexity bounds for real root isolation using Continued Fractions
We consider the problem of isolating the real roots of a square-free polynomial with integer coefficients using (variants of) the continued fraction algorithm (CF). We introduce a...
Elias P. Tsigaridas
SIGIR
2010
ACM
14 years 2 months ago
Temporal diversity in recommender systems
Collaborative Filtering (CF) algorithms, used to build webbased recommender systems, are often evaluated in terms of how accurately they predict user ratings. However, current eva...
Neal Lathia, Stephen Hailes, Licia Capra, Xavier A...
SPIRE
2010
Springer
13 years 8 months ago
Fingerprinting Ratings for Collaborative Filtering - Theoretical and Empirical Analysis
Abstract. We consider fingerprinting methods for collaborative filtering (CF) systems. In general, CF systems show their real strength when supplied with enormous data sets. Earl...
Yoram Bachrach, Ralf Herbrich
GLOBECOM
2010
IEEE
13 years 7 months ago
Space-Time Correlation Properties of a 3D Two-Sphere Model for Non-Isotropic MIMO Mobile-to-Mobile Channels
This paper proposes a novel three-dimensional (3D) two-sphere regular-shaped geometry-based stochastic model (RSGBSM) with only double-bounced rays for non-isotropic scattering nar...
Yi Yuan, Xiang Cheng, Cheng-Xiang Wang, David I. L...
TCOM
2010
94views more  TCOM 2010»
13 years 8 months ago
Interference Management Using Nonlinear Relaying
—We consider the three-node Gaussian relay channel where the relay observes a noisy version of the interference present in the source–destination link. We investigate three fun...
Majid Nasiri Khormuji, Ali A. Zaidi, Mikael Skoglu...