본문 바로가기
HOME> 논문 > 논문 검색상세

논문 상세정보

Knowledge representation and processing in relational data base

Adams, Teresa M. ;
  • 초록  

    This paper is a comparative study of the set operators in rule-based production languages and relational query languages. This paper illustrates the use of structured query language (SQL) subselect conditions IN, NOT IN, EXISTS, and NOT EXISTS for knowledge processing. The method described in this paper may be effective for expanding existing relational data-base management system applications to knowledge management systems and may reduce the need for algebraic or rule-based programming to embed expertise. As an example, a set of knowledge tables that contain the relationships between in-situ soil improvement techniques, relative cost, soil types, engineering properties, and the benefits and limitations of these improvement techniques are described. The operations for manipulating the tables to select and rank soil improvement techniques are written as SQL queries. The queries are compared to a set of expert system language rules that will accomplish the task. The results indicate the potential use of engineering knowledge tables for developing design aids. Forms of the queries described in this paper can be used by practitioners, data-base developers and expert system programmers to expand the potential use of new and existing data bases.(Author abstract)


  • 원문보기

    원문보기
    무료다운로드 유료다운로드
    • 무료 원문 정보가 존재하지 않습니다.

    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.

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

 활용도 분석

  • 상세보기

    amChart 영역
  • 원문보기

    amChart 영역