Practical Text Mining and Statistical Analysis for Non-structured Text Data Applications

Tutorial U

Exploring the Unabomber Manifesto Using Text Miner

Jennifer Thompson,     Woodward, OK

Susan L. Trumbetta, PhD,     Vassar College

Gary D. Miner, PhD,     StatSoft, Inc.

Irving I. Gottesman, PhD,     University of Minnesota-Bernstein Professor in Adult Psychiatry and Senior Fellow, Department of Psychology, University of Minnesota & Sherrell J. Aston Professor of Psychology Emeritus, University of Virginia

Contents

Introduction

Summarizing the Text

Searching for Trends with Pronouns

References

Introduction

The written communications of individuals implicated in criminal activity sometimes provide clues for law enforcement and may lead to an arrest. This was true in the case of Theodore “Ted” Kaczynski, also known as the Unabomber. ...