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CONTEXT
2007
Springer
16 years 20 days ago
Discovering Hidden Contextual Factors for Implicit Feedback
Abstract. This paper presents a statistical framework based on Principal Component Analysis (PCA) for discovering the contextual factors which most strongly influence user behavio...
Massimo Melucci, Ryen W. White
ICALP
2010
Springer
15 years 11 months ago
On the Relation between Polynomial Identity Testing and Finding Variable Disjoint Factors
We say that a polynomial f(x1, . . . , xn) is indecomposable if it cannot be written as a product of two polynomials that are defined over disjoint sets of variables. The polynom...
Amir Shpilka, Ilya Volkovich
AIED
2007
Springer
16 years 20 days ago
Investigating Generative Factors of Score Matrices
An implicit assumption in psychometrics and educational statistics is that the generative model for student scores on test questions is governed by the topics of those questions an...
Titus Winters, Christian R. Shelton, Tom Payne
FPL
2006
Springer
85views Hardware» more  FPL 2006»
15 years 10 months ago
High-Performance and Parameterized Matrix Factorization on FPGAs
FPGAs have become an attractive choice for scientific computing. In this paper, we propose a high performance design for LU decomposition, a key kernel in many scientific and engi...
Ling Zhuo, Viktor K. Prasanna
TSP
2010
15 years 1 months ago
Compressive Sensing on Manifolds Using a Nonparametric Mixture of Factor Analyzers: Algorithm and Performance Bounds
Nonparametric Bayesian methods are employed to constitute a mixture of low-rank Gaussians, for data x RN that are of high dimension N but are constrained to reside in a low-dimen...
Minhua Chen, Jorge Silva, John William Paisley, Ch...