Journal of the Korean Society for information Management (정보관리학회지)

Korean Society for Information Management (한국정보관리학회)
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(A Study of an Exact Match and a Partial Match as an Information Retrieval Technique)

완전 매치와 부분 매치 검색 기법에 관한 연구

  • Published : 1990.06.01
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Abstract

A retrieval technique was defined as a technique for comparing the document representations. So this study classified retrieval technique in terms of the charactristics of the retrieved set of documents and the representations that are used. The distinction is whether the set of retrieved documents contains only documents whose representations are an exact match with the query, or a partial match with query. For a partial match, the set of retrieved document will include also those that are an exact match with the query. Boolean-logic as one of the exact match retrieval techniques is in current in most of the large operational information retrieval systems despite of its problems and limitatlons. Partial match as an alternative technique has also various problems. Existing information retrieval systems are successful in aSSisting the user whose needs are well- defined (e.g. Boolean-logic), to retrieve relevant documents but it should be successful in providing retrieval assistance to the browser whose information requirements is ill-defined.

본 연구는 그동안 연구되고 개발된 여러 검색 기법을 검색된 문헌 집합의 특성과 사용된 표현에 의해서 완전 매치 검색과 부분 매치 검색으로 구분하였다. 완전 매치는 부울 논리가 그 대표적이며 현행 대부분의 정보 검색 시스템에서 사용하고 있는 검색 기법이다. 부분 매치는 부울논리가 가지고 있는 문제점과 한계점을 극복하기 위한 대한으로서 많은 연 구가 있었으나 그 본질은 부울 논리 구조안에서 검색을 향상시킨다는 점에서 한계를 가질수 밖에 없다 하겠다. 대표적인 예로 확률 검색, 벡터 공간 모델, 그리고 퍼지 집합을 대상으로 두 검색 기법을 비교하고 앞으로의 검색 기법이 나아가야 할 방향을 제시하였다.

Keywords

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