Journal of the Korean Society for information Management (정보관리학회지)

Korean Society for Information Management (한국정보관리학회)
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An Experimental Study on Ranking Output of Title Word Searching in the Boolean OPAC System

OPAC에서 서명단어탐색의 문헌순위화에 관한 연구

  • 노정순 (한남대학교 문헌정보학과)
  • Published : 2001.06.01
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Abstract

The characteristics of the short document representatives and short queries of OPAC systems need the different ranking algorithms from IR systems. This study tested and analyzed the effectiveness of four sorting schemes and four ranking algorithms and the six effectiveness measurements for the ranked Boolean OPAC systems. The sorting by publication year was better but without significant difference. The cover density ranking was significantly better than the frequency-based ranking of the Fuzzy or DNF models. The simple effectiveness measurement based on the average rank of relevant documents retrieved was as good as the others and better than the precision P.

본 연구는 불질의 기반의 OPAC에서 정렬과 적합성 순위화알고리즘의 효과를 분석하고, 순위화의 성능을 평가하는 척도를 연구하였다. 연구결과 출판년도순 정렬이 저자명순, 서명순, 출판사순 정렬보다 우수하였으나 유의한 차이는 아니었다. 용어빈도수에 기반을 퍼지나 DNF 모델보다는 위치정보에 기반을 둔 알고리즘의 순위화 성능이 더 우수하였다. 6개의 순위화 성능평가척도간에 차이는 없었으며, 순위화시스템에서 정확률 P보다 분별력이 높은 단순 척도의 유용성이 확인되었다.

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References

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