@inproceedings{grishman-sterling-1989-preference,
    title = "Preference Semantics for Message Understanding",
    author = "Grishman, Ralph  and
      Sterling, John",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Cape Cod, Massachusetts, October 15-18, 1989",
    year = "1989",
    url = "https://preview.aclanthology.org/ingest-emnlp/H89-2011/"
}Markdown (Informal)
[Preference Semantics for Message Understanding](https://preview.aclanthology.org/ingest-emnlp/H89-2011/) (Grishman & Sterling, HLT 1989)
ACL