Overview

This monograph describes a methodology for the design of knowledge-based systems. A knowledge-based system contains knowledge as well as information and data. The information and data in such a system can be modelled and imple­ mented as a database. The knowledge in such a system can be implemented either in a programming language or in an expert systems shell. This methodology has two distinguishing features. First, it is ""unified"". A unified methodology repre­ sents the data, information and knowledge in a homogeneous manner, as well as the relationships between them. Second, the methodology builds a maintenance mechanism into the design. In knowledge engineering terms, the representation used by this methodology to model knowledge bases applies equally to databases. In database terms, the representation used by this methodology to model databases applies equally to the database rules. The unified methodology unifies the design of the ""knowledge base compo­ nent"" and the ""database component"". ""Unification"" is achieved in five senses.

Full Product Details

Author:   John Debenham
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1998
Dimensions:   Width: 15.50cm , Height: 2.40cm , Length: 23.50cm
Weight:   0.727kg
ISBN:  

9783642720369

ISBN 10:   3642720366
Pages:   466
Publication Date:   13 December 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1 Fundamentals.- 1.1 Introduction.- 1.2 Formalisms.- 1.3 Data, information and knowledge.- 1.4 Knowledge-based systems.- 1.5 Summary.- 2 Non-unified design.- 2.1 Introduction.- 2.2 Non-unified methodology.- 2.3 Non-unified representation.- 2.4 Classification.- 2.5 Representation.- 2.6 Specification.- 2.7 Summary.- 3 Items.- 3.1 Introduction.- 3.2 Unified representation.- 3.3 Item structure.- 3.4 Data items.- 3.5 Information items.- 3.6 Knowledge items.- 3.7 Algebra of items.- 3.8 System items.- 3.9 Summary.- 4 Objects.- 4.1 Introduction.- 4.2 Limitations of items.- 4.3 Object structure.- 4.4 Data objects.- 4.5 Information objects.- 4.6 Knowledge objects.- 4.7 Algebra of objects.- 4.8 Inheritance.- 4.9 Summary.- 5 Schemas.- 5.1 Introduction.- 5.2 i-schemas.- 5.3 r-schemas.- 5.4 From r-schemas to i-schemas.- 5.5 o-schemas.- 5.6 o-schemas as operators.- 5.7 t-schemas.- 5.8 Summary.- 6 Normalisation.- 6.1 Introduction.- 6.2 Meaning of normal.- 6.3 Normalisation of items.- 6.4 Normalisation of objects.- 6.5 Classical normal forms.- 6.6 Non-classical normal forms.- 6.7 Normal forms for groups.- 6.8 Summary.- 7 Specification.- 7.1 Introduction.- 7.2 Methodology structure.- 7.3 Item behaviour.- 7.4 r-schema construction.- 7.5 Application representation.- 7.6 Requirements identification.- 7.7 Summary.- 8 Analysis.- 8.1 Introduction.- 8.2 Conceptual model.- 8.3 Basis.- 8.4 Conceptual view.- 8.5 c-coupling map.- 8.6 Constraints.- 8.7 Summary.- 9 Function.- 9.1 Introduction.- 9.2 Functional model.- 9.3 Analysis of transactions.- 9.4 Functional view.- 9.5 f-coupling map.- 9.6 Constraints.- 9.7 System function problem.- 9.8 Summary.- 10 Layout.- 10.1 Introduction.- 10.2 Internal model.- 10.3 Operational requirements.- 10.4 Internal view.- 10.5 i-coupling map.- 10.6 Constraints.- 10.7System layout problem.- 10.8 Summary.- 11 Maintenance.- 11.1 Introduction.- 11.2 Methodology.- 11.3 Set constraints.- 11.4 Strategy for maintenance.- 11.5 Significance of normalisation.- 11.6 System constraints.- 11.7 Management of maintenance.- 11.8 Summary.- 12 Case study.- 12.1 Introduction.- 12.2 Requirements specification (1).- 12.3 Analysis (1).- 12.4 Function (1).- 12.5 Second prime r-schema.- 12.6 Layout.- 12.7 Maintenance.- References.

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