@inproceedings{steele-powers-1998-evolution,
    title = "Evolution and Evaluation of Document Retrieval Queries",
    author = "Steele, Robert  and
      Powers, David",
    booktitle = "New Methods in Language Processing and Computational Natural Language Learning",
    year = "1998",
    url = "https://preview.aclanthology.org/fix-sig-urls/W98-1220/"
}