The Cranfield experiments were computer information retrieval experiments conducted by Cyril W. Cleverdon at Cranfield University in the 1960s, to evaluate the efficiency of indexing systems.
They represent the prototypical evaluation model of information retrieval systems, and this model has been used in large-scale information retrieval evaluation efforts such as the Text Retrieval Conference (TREC).
- Cleverdon, C. W. (1960). ASLIB Cranfield research project on the comparative efficiency of indexing systems. ASLIB Proceedings, XII, 421-431.
- Cleverdon, C. W. (1967). The Cranfield tests on index language devices. Aslib Proceedings, 19(6), 173-194.
- Cleverdon, C. W., & Keen, E. M. (1966). Factors determining the performance of indexing systems. Vol. 1: Design, Vol. 2: Results. Cranfield, UK: Aslib Cranfield Research Project.
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