본문 바로가기
HOME> 논문 > 논문 검색상세

논문 상세정보

정보검색효율에 관한 연구
A Study on the Effectiveness of Information Retrieval

윤구호   (계명대학교 도서관학과UU0000145  );
  • 초록

    Retrieval effectiveness is the principal criterion for measuring the performance of an information retrieval system. The effectiveness of a retrieval system depends primarily on the extent to which it can retrieve wanted documents without retrieving unwanted ones. So, ultimately, effectiveness is a function of the relevant and nonrelevant documents retrieved. Consequently, 'relevance' of information to the user's request has become one of the most fundamental concept encountered in the theory of information retrieval. Although there is at present no consensus as to how this notion should be defined, relevance has been widely used as a meaningful quantity and an adequate criterion for measures of the evaluation of retrieval effectiveness. The recall and precision among various parameters based on the 'two-by-two' table (or, contingency table) were major considerations in this paper, because it is assumed that recall and precision are sufficient for the measurement of effectiveness. Accordingly, different concepts of 'relevance' and 'pertinence' of documents to user requests and their proper usages were investigated even though the two terms have unfortunately been used rather loosely in the literature. In addition, a number of variables affecting the recall and precision values were discussed. Some conclusions derived from this study are as follows: Any notion of retrieval effectiveness is based on 'relevance' which itself is extremely difficult to define. Recall and precision are valuable concepts in the study of any information retrieval system. They are, however, not the only criteria by which a system may be judged. The recall-precision curve represents the average performance of any given system, and this may vary quite considerably in particular situations. Therefore, it is possible to some extent to vary the indexing policy, the indexing policy, the indexing language, or the search methodology to improve the performance of the system in terms of recall and precision. The 'inverse relationship' between average recall and precision could be accepted as the 'fundamental law of retrieval', and it should certainly be used as an aid to evaluation. Finally, there is a limit to the performance(in terms of effectiveness) achievable by an information retrieval system. That is : "Perfect retrieval is impossible."


 저자의 다른 논문

  • 윤구호 (10)

    1. 1988 "주제목록을 위한 한국용어열색인 시스템의 기능" 도서관학 = Journal of the Korean Library Science Society 15 (): 225~266    
    2. 1989 "계량서지학적(計量書誌學的) 연구(硏究)의 이론(理論)과 실제(實際)" 정보관리연구 = Journal of information management 20 (1): 1~29    
    3. 1989 "검색효율 측정척도에 관한 연구" 도서관학 = Journal of the Korean Library Science Society 16 (): 177~205    
    4. 1991 "의학문헌의 계량서지학적 분석" 圖書館學論集 = Journal of Korean Library and Information Science Society 18 (): 61~90    
    5. 1993 "한국문헌자동화목록법(KORMARC)에 관한 연구" 정보관리학회지 = Journal of the Korean society for information management 10 (1): 3~13    
    6. 2001 "정보경제학과 모텔에 관한 고찰" 한국도서관 정보학회지 = Journal of Korean Library and Information Science Society 32 (2): 121~144    
    7. 2001 "저자동시 인용분석에 의한 1990년대 한국문헌정보학의 지적구조에 관한 연구" 한국도서관 정보학회지 = Journal of Korean Library and Information Science Society 32 (3): 169~197    
    8. 2002 "지식경영과 그 모델에 관한 이론적 고찰" 한국도서관 정보학회지 = Journal of Korean Library and Information Science Society 33 (1): 169~192    
    9. 2002 "웹 색인작성에 관한 연구" 한국도서관 정보학회지 = Journal of Korean Library and Information Science Society 33 (2): 235~258    
    10. 2002 "한의학분야 연구자들의 학술정보이용 행태에 관한 연구" 大韓韓醫學會誌 = Journal of Korean Oriental Medicine 23 (2): 1~18    

 활용도 분석

  • 상세보기

    amChart 영역
  • 원문보기

    amChart 영역

원문보기

무료다운로드
  • NDSL :
유료다운로드

유료 다운로드의 경우 해당 사이트의 정책에 따라 신규 회원가입, 로그인, 유료 구매 등이 필요할 수 있습니다. 해당 사이트에서 발생하는 귀하의 모든 정보활동은 NDSL의 서비스 정책과 무관합니다.

원문복사신청을 하시면, 일부 해외 인쇄학술지의 경우 외국학술지지원센터(FRIC)에서
무료 원문복사 서비스를 제공합니다.

NDSL에서는 해당 원문을 복사서비스하고 있습니다. 위의 원문복사신청 또는 장바구니 담기를 통하여 원문복사서비스 이용이 가능합니다.

이 논문과 함께 출판된 논문 + 더보기