Index Optimization

This book is concerned with tutorial on index optimization. The book is authored by collecting slides in the tutorial on index optimization; each page is given as a slide. This book is intended for ones who study index optimization with their interests in functional view and is composed of five sections. Index optimization is defined as the process of filtering and expanding a list of words for maximizing information retrieval performance, and it is interpreted into a classification task which classifies each word in a text into expansion, inclusion, or removal. This book provides a functional view of index optimization as its tutorial.