PHI:演绎数据库系统

[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings Pub Date : 1991-05-09 DOI:10.1109/PACRIM.1991.160737

H. Haniuda, Y. Abiru, N. Miyazaki

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引用次数: 2

摘要

PHI是一个实验性的分布式演绎数据库系统。它是在个人顺序推理机上实现的。演绎数据库包括内涵数据库和外延数据库。PHI由两层组成，分别处理内部性数据库和外部性数据库。PHI的查询语言为Datalog，其查询处理采用自底向上的方式。PHI的查询优化是查询转换和为关系数据库开发的技术的结合。讨论了PHI的演绎数据库部分的设计、实现和评价。

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PHI: a deductive database system

PHI is an experimental distributed deductive database system. It is implemented on personal sequential inference machines (PSIs). A deductive database consists of intensional and extensional databases. PHI is composed of two layers which handle intensional and extensional databases, respectively. The query language of PHI is Datalog and its query processing is performed in a bottom-up manner. Query optimization of PHI is the combination of query transformation and techniques developed for relational databases. A discussion is presented of the design, implementation, and evaluation of the deductive database part of PHI.<>

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[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings

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