Joint European Conference on Machine Learning and Knowledge Discovery in Databases

ECML PKDD 2015: Machine Learning and Knowledge Discovery in Databases pp 283-299

Gamma Process Poisson Factorization for Joint Modeling of Network and Documents

  • Ayan Acharya
  • Dean Teffer
  • Jette Henderson
  • Marcus Tyler
  • Mingyuan Zhou
  • Joydeep Ghosh
Conference paper

DOI: 10.1007/978-3-319-23528-8_18

Part of the Lecture Notes in Computer Science book series (LNCS, volume 9284)
Cite this paper as:
Acharya A., Teffer D., Henderson J., Tyler M., Zhou M., Ghosh J. (2015) Gamma Process Poisson Factorization for Joint Modeling of Network and Documents. In: Appice A., Rodrigues P., Santos Costa V., Soares C., Gama J., Jorge A. (eds) Machine Learning and Knowledge Discovery in Databases. ECML PKDD 2015. Lecture Notes in Computer Science, vol 9284. Springer, Cham

Abstract

Developing models to discover, analyze, and predict clusters within networked entities is an area of active and diverse research. However, many of the existing approaches do not take into consideration pertinent auxiliary information. This paper introduces Joint Gamma Process Poisson Factorization (J-GPPF) to jointly model network and side-information. J-GPPF naturally fits sparse networks, accommodates separately-clustered side information in a principled way, and effectively addresses the computational challenges of analyzing large networks. Evaluated with hold-out link prediction performance on sparse networks (both synthetic and real-world) with side information, J-GPPF is shown to clearly outperform algorithms that only model the network adjacency matrix.

Keywords

Network modeling Poisson factorization Gamma process 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Ayan Acharya
    • 1
  • Dean Teffer
    • 2
  • Jette Henderson
    • 2
  • Marcus Tyler
    • 2
  • Mingyuan Zhou
    • 3
  • Joydeep Ghosh
    • 1
  1. 1.Department of ECEUniversity of Texas at AustinAustinUSA
  2. 2.Applied Research LaboratoriesUniversity of Texas at AustinAustinUSA
  3. 3.Department of IROMUniversity of Texas at AustinAustinUSA

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