eu.slipo.athenarc.triplegeo.utils

Class EmbeddedClassifier

java.lang.Object

eu.slipo.athenarc.triplegeo.utils.EmbeddedClassifier

public class EmbeddedClassifier
extends java.lang.Object

Assigns a category based on the textual similarity of a given description to a collection of tags characterizing the category. Correspondence between default (embedded) categories and tags is stored in a resource YML file (dictionary).

Version:

2.0

Author:

Kostas Patroumpas

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map<java.lang.String,java.util.List<java.lang.String>>	categories

Constructor Summary

Constructors

Constructor and Description
EmbeddedClassifier() Constructor of the embedded classification used in assigning default categories

Method Summary

Modifier and Type	Method and Description
org.apache.commons.lang3.tuple.Pair<java.lang.String,java.lang.Double>	assignCategory(java.lang.String val) Given a textual description, search the dictionary for the most similar tag and assign the corresponding category.
private void	buildDefaultClassificationYML() Parses a resource YML file and populates the dictionary of tags and their correspondence to embedded categories.

Methods inherited from class java.lang.Object

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

Field Detail

categories

private java.util.Map<java.lang.String,java.util.List<java.lang.String>> categories

Constructor Detail

EmbeddedClassifier

public EmbeddedClassifier()

Constructor of the embedded classification used in assigning default categories

Method Detail

buildDefaultClassificationYML

private void buildDefaultClassificationYML()
                                    throws java.io.FileNotFoundException

Parses a resource YML file and populates the dictionary of tags and their correspondence to embedded categories.

Throws:

java.io.FileNotFoundException

assignCategory

public org.apache.commons.lang3.tuple.Pair<java.lang.String,java.lang.Double> assignCategory(java.lang.String val)

Given a textual description, search the dictionary for the most similar tag and assign the corresponding category.

Parameters:

val - The textual description of a category (may be a single word, or a multi-word characterization)

Returns:

The category that has obtained the highest textual similarity score with the given description; this score is also returned.