@inproceedings{hennig-2009-topic,
    title = "Topic-based Multi-Document Summarization with Probabilistic Latent Semantic Analysis",
    author = "Hennig, Leonhard",
    editor = "Angelova, Galia  and
      Mitkov, Ruslan",
    booktitle = "Proceedings of the International Conference {RANLP}-2009",
    month = sep,
    year = "2009",
    address = "Borovets, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/R09-1028/",
    pages = "144--149"
}