Cumulative restricted Boltzmann machines for ordinal matrix data analysis
Tran, Truyen, Phung, Dinh and Venkatesh, Svetha 2012, Cumulative restricted Boltzmann machines for ordinal matrix data analysis, in ACML 2012 : Proceedings of the 4th Asian Conference on Machine Learning, JMLR : workshop and conference proceedings, [Singapore], pp. 411-426.
Ordinal data is omnipresent in almost all multiuser-generated feedback - questionnaires, preferences etc. This paper investigates modelling of ordinal data with Gaussian restricted Boltzmann machines (RBMs). In particular, we present the model architecture, learning and inference procedures for both vector-variate and matrix-variate ordinal data. We show that our model is able to capture latent opinion profile of citizens around the world, and is competitive against state-of-art collaborative filtering techniques on large-scale public datasets. The model thus has the potential to extend application of RBMs to diverse domains such as recommendation systems, product reviews and expert assessments.
Language
eng
Field of Research
120403 Engineering Design Methods
Socio Economic Objective
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