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DOI:
Journal of Software:1995.6(3):136-141

PROLOG—DBMS系统实现中的子句间优化技术
李磊,左万历,李希春
(中山大学计算机科学系,广州,510275;吉林大学计算机科学系,长春,130023)
THE INTER-CLAUSE OPTIMIZATION TECHNIQUE IN THE IMPLEMENTATION OF PROLOG-DBMS SYSTEMS
Li Lei,Zuo Wanli,Li Xichun
()
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Received:November 10, 1992    Revised:March 26, 1993
> 中文摘要: 实用PROLOG—DBMS系统实现中的首要问题是要保证系统的正确性.然而,从数据库中提取冗余数据不但严重地影响系统的效率,而且影响系统的正确性.本文所提出的子句间优化技术可以解决这一问题.因为采用这一技术可以保证仅从数据库中提取有用事实并且没有任何元组多于一次被提取.
Abstract:In the implementation of practical PROLOG-DBMS systems,the key issue is to maintain its correctness which is,unfortunately,often affected by extracting redundant facts from data base management systems.This paper presents a new technique called "inter-clause optimization" which can not only keep the system correct but also increase its efficiency by guaranteeing that only useful facts are loaded from DBMS and no fact is loaded more than once.
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基金项目:此部分由霍英东教育基金资助. 此部分由霍英东教育基金资助.
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李磊,左万历,李希春.PROLOG—DBMS系统实现中的子句间优化技术.软件学报,1995,6(3):136-141

Li Lei,Zuo Wanli,Li Xichun.THE INTER-CLAUSE OPTIMIZATION TECHNIQUE IN THE IMPLEMENTATION OF PROLOG-DBMS SYSTEMS.Journal of Software,1995,6(3):136-141