@inproceedings{shinnou-sasaki-2008-ping,
    title = "Ping-pong Document Clustering using {NMF} and Linkage-Based Refinement",
    author = "Shinnou, Hiroyuki  and
      Sasaki, Minoru",
    editor = "Calzolari, Nicoletta  and
      Choukri, Khalid  and
      Maegaard, Bente  and
      Mariani, Joseph  and
      Odijk, Jan  and
      Piperidis, Stelios  and
      Tapias, Daniel",
    booktitle = "Proceedings of the Sixth International Conference on Language Resources and Evaluation ({LREC}`08)",
    month = may,
    year = "2008",
    address = "Marrakech, Morocco",
    publisher = "European Language Resources Association (ELRA)",
    url = "https://aclanthology.org/L08-1287/"
}