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ICC
2009
IEEE
107views Communications» more  ICC 2009»
14 years 4 months ago
EM-Based Maximum-Likelihood Sequence Detection for MIMO Optical Wireless Systems
—A major performance-limiting factor in terrestrial optical wireless (OW) systems is turbulence-induced fading. Exploiting the additional degrees of freedom in the spatial dimens...
Nestor D. Chatzidiamantis, Murat Uysal, Theodoros ...
AI
2009
Springer
14 years 4 months ago
Context Dependent Movie Recommendations Using a Hierarchical Bayesian Model
Abstract. We use a hierarchical Bayesian approach to model user preferences in different contexts or settings. Unlike many previous recommenders, our approach is content-based. We...
Daniel Pomerantz, Gregory Dudek
ICCS
2009
Springer
14 years 4 months ago
Balancing Scientist Needs and Volunteer Preferences in Volunteer Computing Using Constraint Optimization
BOINC is a middleware for Volunteer Computing. In BOINC projects, heterogeneous resources distributed across the Internet are used for large-scale scientific simulations. The larg...
James Atlas, Trilce Estrada, Keith Decker, Michela...
CANDC
2009
ACM
14 years 4 months ago
Visualization and empowerment
Data visualization, commonly used to make large sets of numerical data more legible, also has enormous potential as a storytelling tool to elicit insights on long-standing social ...
Indhira Rojas, Wendy Ju
MM
2009
ACM
269views Multimedia» more  MM 2009»
14 years 4 months ago
Semi-supervised topic modeling for image annotation
We propose a novel technique for semi-supervised image annotation which introduces a harmonic regularizer based on the graph Laplacian of the data into the probabilistic semantic ...
Yuanlong Shao, Yuan Zhou, Xiaofei He, Deng Cai, Hu...