An Evaluation of Retrieval Effectiveness for a Full-Text Document-Retrieval System

@article{Blair1985AnEO,
  title={An Evaluation of Retrieval Effectiveness for a Full-Text Document-Retrieval System},
  author={David C. Blair and M. E. Maron},
  journal={Commun. ACM},
  year={1985},
  volume={28},
  pages={289-299}
}
An evaluation of a large, operational full-text document-retrieval system (containing roughly 350,000 pages of text) shows the system to be retrieving less than 20 percent of the documents relevant to a particular search. The findings are discussed in terms of the theory and practice of full-text document retrieval. 
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