• DocumentCode
    3152744
  • Title

    Handling incomplete matrix data via continuous-valued infinite relational model

  • Author

    Suzuki, Tomohiko ; Nakamura, Takuma ; Ida, Yasutoshi ; Matsumoto, Takashi

  • Author_Institution
    Grad. Sch. of Adv. Sci. & Eng., Waseda Univ., Tokyo, Japan
  • fYear
    2012
  • fDate
    25-30 March 2012
  • Firstpage
    2153
  • Lastpage
    2156
  • Abstract
    A continuous-valued infinite relational model is proposed as a solution to the co-clustering problem which arises in matrix data or tensor data calculations. The model is a probabilistic model utilizing the framework of Bayesian Nonparametrics which can estimate the number of components in posterior distributions. The original Infinite Relational Model cannot handle continuous-valued or multi-dimensional data directly. Our proposed model overcomes the data expression restrictions by utilizing the proposed likelihood, which can handle many types of data. The posterior distribution is estimated via variational inference. Using real-world data, we show that the proposed model outperforms the original model in terms of AUC score and efficiency for a movie recommendation task. (111 words).
  • Keywords
    Bayes methods; inference mechanisms; matrix algebra; AUC score; Bayesian nonparametrics; coclustering problem; continuous-valued data; continuous-valued infinite relational model; incomplete matrix data; movie recommendation task; multidimensional data; posterior distribution; probabilistic model; tensor data calculation; variational inference; Accuracy; Bayesian methods; Data models; Educational institutions; Motion pictures; Predictive models; Stochastic processes; Bayesian methods; Dirichlet Process; Infinite Relational Model; Machine learning; Variational Bayes;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Acoustics, Speech and Signal Processing (ICASSP), 2012 IEEE International Conference on
  • Conference_Location
    Kyoto
  • ISSN
    1520-6149
  • Print_ISBN
    978-1-4673-0045-2
  • Electronic_ISBN
    1520-6149
  • Type

    conf

  • DOI
    10.1109/ICASSP.2012.6288338
  • Filename
    6288338