@inproceedings{afzal-pekar-2009-unsupervised,
    title = "Unsupervised Relation Extraction for Automatic Generation of Multiple-Choice Questions",
    author = "Afzal, Naveed  and
      Pekar, Viktor",
    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://preview.aclanthology.org/ingest-emnlp/R09-1001/",
    pages = "1--5"
}