演绎数据库
- 网络Deductive database;DDB
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基于PROLOG和INGRES的演绎数据库系统的研制
Investigation of a Deductive Database System Based on the PROLOG and INGRES
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从证明论(ProofTheory)的观点看,演绎数据库构成了一种特殊的一阶理论,并被分为确定(Definite)和不确定(Indefinite)两种形式。
From a proof-theoretic viewpoint , a deductive database forms a special first-order theory . There are two different types of deductive databases , namely definite and indefinite [ 1 ] .
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不确定演绎数据库向PROLOG数据库的映射:问题和方法
Mapping an indefinite deductive database into a prolog database : problems and methods
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一个基于FOXBASE的演绎数据库系统
A FoxBASE Based Deductive Data Base System
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非Horn子句(non-HornClauses)的存在使不确定演绎数据库向PROLOG数据库的映射复杂化。
However , the addition of non-Horn clauses makes it difficult to map an indefinite deductive database into a PROLOG database .
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在分析演绎数据库实现技术的基础上,重点介绍设计并实现的基于Foxbase的演绎数据库系统的系统结构及实现机制。
In this paper , design and implemention of FoxBASE based deductive database introduced mainly in base of analysis deductive database implemention technique .
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二级演绎数据库系统是一种结合一般数据库系统与PROLOG系统特点的演绎数据库系统,它分为数据库级和推理级两个不同的层次。
Two-level deductive database system is the amalgamation of conventional database and PROLOG system , which is divided into two levels : database level and inference level .
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在演绎数据库系统中,一般将完整性约束条件和IDB规则分别表示和存储。
In previous deductive database systems , generally , integrity constraints and IDB rules are denoted and memo-rized respectively .
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文中还叙述了演绎数据库系统在DUAL-68000微型机上的实现过程。
The deductive database system has been basically implemented on DUAL-68000 microcomputers .
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DRDB演绎数据库系统的实现
Implementation of a Deductive Database System DRDB
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演绎数据库(DDB)和面向对象数据库(OODB)自80年代以来,它们分别沿着不同的道路独立地发展,在各自领域的理论、技术及系统等方面都取得了许多成果。
Deductive Database ( DDB ) and Object_Oriented Database ( OODB ), since 80 's , develop along the different road independently , and they obtained many results in realm of the theories , technique and system etc.
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演绎数据库中完整性约束视图表示和生成算法
View Denotation and Generative Algorithm of Integrity Constraints in Deductive Databases
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演绎数据库系统G-DDBS/VMS的研制
Research and development of the g-ddbs / vms deductive database system
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确定型演绎数据库的查询求值6、定型;
Query evaluation for definite deductive databases 6 , set .
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另外文章还就演绎数据库对网管应用的适应性进行了分析。
The essay also analyses the adaptivity of deductive database to NMS .
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演绎数据库中语义查询的动态优化算法
A Dynamic Optimization Algorithm of Semantic Query in Deductive Database
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演绎数据库中处理递归查询的一种改进算法
An Optimization Algorithm of Magic Set Dealing with Recursive Query in Deductive Database
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根据本文提出的思想和方法,我们已经在386上实现了这样一个演绎数据库系统。
It has been implemented on a 386 microcomputer .
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时态演绎数据库&模型与查询语言
Temporal Deductive Databese : The Model and Query Language
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基于扩充关系模型的演绎数据库系统
A deductive database system on relation - extended model
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是该演绎数据库推理机制查询算法的一种实现。
It is a implemention of deductive query algorithms .
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进一步探寻演绎数据库和面向对象数据库的结合途径。
Exploit further approach for the combination of deductive database and object-oriented database .
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二级演绎数据库的关系元组搜索方法
Searching Approach of Relational Tuples on Two-level Deductive Databases
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演绎数据库线性递归查询的快速算法
A quick algorithm for deductive database linear recursive query
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演绎数据库中的语义查询优化方法
Approach to semantic query optimization in deductive database
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扩展演绎数据库技术
The technique for extending deductive data base
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完整性维护是演绎数据库管理中的重要组成部分。
The rule integrity constraint is an importance constitute part of management in deductive database .
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一个演绎数据库原型系统的底层实现
Implementation of Deductive Database Prototype
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本文将结合我们的研究成果,讨论知识表示、演绎数据库系统、专家系统的方法。
This paper investigates the approaches of the knowledge presentation , deductive database system and expert system .
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支持多种查询语言的演绎数据库系统
Deductive database system with multi-query-language