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  • × author_ss:"Keen, M."
  1. Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966) 0.00 
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  2. Keen, M.: Cyril W. Cleverdon (1998) 0.00 
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  3. Keen, M.: ¬The Okapi projects (1997) 0.00 
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  4. Keen, M.: Interactive ranked retrieval using multiple match methods (1995) 0.00 
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  5. Keen, M.: Query reformulation in ranked output interaction (1994) 0.00 
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