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Anil Sharma, Lovely Professional University
Unit 2: Knowledge
Unit 2: Knowledge Notes
CONTENTS
Objectives
Introduction
2.1 General Concepts of Knowledge
2.1.1 Knowledge Progression
2.1.2 Knowledge Model
2.2 Definition and Importance of Knowledge
2.2.1 Three Kinds of Knowledge
2.2.2 Uses of Knowledge
2.2.3 Knowledge-base
2.3 Knowledge-based Systems (KBS)
2.3.1 Characteristics of KBS
2.3.2 Structure of a Knowledge-based System
2.3.3 KBS Development
2.3.4 Testing
2.3.5 Why Build a Knowledge-based System?
2.4 Summary
2.5 Keywords
2.6 Review Questions
2.7 Further Readings
Objectives
After studying this unit, you will be able to:
Discuss the general concepts of Knowledge
Explain the definition and importance of Knowledge
Describe the concept of Knowledge-based Systems (KBS)
Introduction
In the previous unit, we dealt with the meaning of Artificial intelligence, its goals and importance,
the early work and common techniques used in Artificial Intelligence. Knowledge is a familiarity
with someone or something, which can include facts, information, descriptions or skills acquired
through experience or education. It can refer to the theoretical or practical understanding of a
subject. It can be implicit (as with practical skill or expertise) or explicit (as with the theoretical
understanding of a subject); it can be more or less formal or systematic. In philosophy, the study
of knowledge is called epistemology; the philosopher Plato famously defined knowledge as
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