Search (5 results, page 1 of 1)

  • × year_i:[1990 TO 2000}
  1. Qiu, Y.; Frei, H.P.: Concept based query expansion (1993) 9.75 
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  2. Frei, H.P.; Stieger, D.: ¬The use of semantic links in hypertext information retrieval (1995) 9.75 
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  3. Frei, H.P.; Meienberg, S.: Evaluating weighted search terms as Boolean queries (1991) 9.75 
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  4. Frei, H.P.; Meienberg, S.; Schäuble, P.: ¬The perils of interpreting recall and precision values (1991) 9.75 
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  5. Frei, H.P.; Schäuble, P.: Determining the effectiveness of retrieval algorithms (1991) 9.75 
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