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Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988)
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- Source
- Program. 22(1988), S.21-31
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Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000)
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- Date
- 10. 8.2001 21:28:39
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Walker, S.: ¬The Okapi online catalogue research projects (1989)
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- Date
- 16. 8.1998 11:22:08