ir.vsr

Class TokenInfo

java.lang.Object

ir.vsr.TokenInfo

public class TokenInfo
extends java.lang.Object

A lightweight object for storing information about a token (a.k.a word, term) in an inverted index.

Field Summary

Fields

Modifier and Type	Field and Description
double	idf The IDF (inverse document frequency) factor for this token which indicates how much to weight an occurence.
java.util.List<TokenOccurrence>	occList A list of TokenOccurences giving documents where this token occurs

Constructor Summary

Constructors

Constructor and Description
TokenInfo() Create an initially empty data structure

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

idf

public double idf

The IDF (inverse document frequency) factor for this token which indicates how much to weight an occurence. Tokens that appear in many documents are not very discriminative and therefore weighted less.

occList

public java.util.List<TokenOccurrence> occList

A list of TokenOccurences giving documents where this token occurs

Constructor Detail

TokenInfo

public TokenInfo()

Create an initially empty data structure