Understanding Information Retrieval Systems

    2 Information Retrieval Systems

Ray R. Larson

CONTENTS

Introduction

Information Retrieval System Components

Text Processing

Indexes and Query Matching

Information Retrieval Models and Ranking

The Boolean Model

Vector Model

Probabilistic Retrieval Methods

Okapi BM-25 Algorithm

Logistic Regression Algorithm

Language Models

Inference Network Models

Hybrid Models

Query Expansion and Relevance Feedback

Conclusion

References

INTRODUCTION

Information Retrieval (IR) is concerned with the storage, organization, and searching of collections of information. It has been part of significant part human technological development since the development of ...