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Unit 8: Structured Representation of Knowledge
Dinesh Kumar, Lovely Professional University

Unit 8: Structured Representation of Knowledge Notes

CONTENTS
Objectives
Introduction

8.1 Structured Knowledge Representation
8.1.1 Market Passing and Spreading Activation
8.1.2 Conceptual Dependency Structures and Conceptual Graphs

8.2 Production Systems
8.3 Logic
8.4 Grammar Formalisms
8.4.1 Phrase Structure Grammars and Automata
8.5 Frames and Frame Systems

8.6 Conceptual Dependency Theory and Object-oriented Programming
8.6.1 Conceptual Dependency Theory
8.6.2 Object-oriented Programming

8.7 Object and Classes
8.8 Messages and Methods
8.9 Summary
8.10 Keywords
8.11 Review Questions

8.12 Further Readings

Objectives

After studying this unit, you will be able to:
Explain the Associative Networks
Discuss the need and scripts of Frame Structures and Scripts

Describe Conceptual Dependency (CD) and its applications
Identify the Object-oriented Representation
Explain an overview of Object-oriented Systems
Discuss the Object and Classes
Explain the Messages and Methods

Introduction

Representing knowledge using logical formalism, like predicate logic, has several advantages.
They can be combined with powerful inference mechanisms like resolution, which makes

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