@inproceedings{hayes-1980-expanding,
    title = "Expanding the Horizons of Natural Language Interfaces",
    author = "Hayes, Phil",
    booktitle = "18th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1980",
    address = "Philadelphia, Pennsylvania, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P80-1019/",
    doi = "10.3115/981436.981459",
    pages = "71--74"
}