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Mithilesh Kumar Dubey, Lovely Professional University
Unit 12: Natural Language Processing

Unit 12: Natural Language Processing Notes

CONTENTS
Objectives
Introduction

12.1 Overview of Linguistics
12.1.1 Computational Linguistics
12.2 Grammars and Languages

12.3 Basic Parsing Techniques
12.3.1 Top Down Parsing
12.3.2 Bottom Up Parsing
12.4 Semantic Analysis and Representation Structures
12.4.1 Semantic Analysis

12.4.2 Syntactic Analysis
12.4.3 Knowledge Representation (KR)
12.5 Natural Language Generalization

12.5.1 Natural Language Systems
12.5.2 Recognition and Classification Process
12.6 Summary
12.7 Keywords
12.8 Review Questions

12.9 Further Readings

Objectives

After studying this unit, you will be able to:
Discuss an overview of Linguistics
Explain Grammars and Languages in AI

Identify various Basic Parsing Techniques
Describe Semantic Analysis and Representation Structures
Discuss Natural Language Generalization

Introduction

Natural Language Processing (NLP) is a field of computer science, artificial intelligence, and
linguistics concerned with the interactions between computers and human (natural) languages.
As such, NLP is related to the area of human – computer interaction. Many challenges in NLP
involve natural language understanding – that is, enabling computers to derive meaning from

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