@inproceedings{kobayashi-etal-2011-topic,
    title = "Topic Models with Logical Constraints on Words",
    author = "Kobayashi, Hayato  and
      Wakaki, Hiromi  and
      Yamasaki, Tomohiro  and
      Suzuki, Masaru",
    editor = "Biemann, Chris  and
      S{\o}gaard, Anders",
    booktitle = "Proceedings of Workshop on Robust Unsupervised and Semisupervised Methods in Natural Language Processing",
    month = sep,
    year = "2011",
    address = "Hissar, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W11-3905/",
    pages = "33--40"
}