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  • × year_i:[1990 TO 2000}
  1. Tseng, Y.-H.: Keyword extraction techniques and relevance feedback (1997) 9.75
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    Author
    Tseng, Y.-H.
  2. Tseng, Y.-H.: Solving vocabulary problems with interactive query expansion (1998) 9.75
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    Author
    Tseng, Y.-H.