it.unitn.disi.smatch.matchers.element.string
Class NGram

java.lang.Object
  it.unitn.disi.smatch.components.Configurable
      it.unitn.disi.smatch.matchers.element.string.NGram

All Implemented Interfaces:

IConfigurable, IStringBasedElementLevelSemanticMatcher

public class NGram
extends Configurable
implements IStringBasedElementLevelSemanticMatcher

Implements NGram matcher. See Element Level Semantic matchers paper for more details.

Accepts the following parameters:

threshold - float parameter, which by default equals 0.9.

gramlength - integer parameter which by default equals 3.

Author:

Mikalai Yatskevich mikalai.yatskevich@comlab.ox.ac.uk, Aliaksandr Autayeu

Field Summary

protected int	gramlength
protected double	threshold

Fields inherited from class it.unitn.disi.smatch.components.Configurable

GLOBAL_PREFIX, globalComponents, properties

Constructor Summary

NGram()

Method Summary

char	match(java.lang.String str1, java.lang.String str2) Computes the relation with NGram matcher.
boolean	setProperties(java.util.Properties newProperties) Sets component configuration properties.

Methods inherited from class it.unitn.disi.smatch.components.Configurable

configureComponent, getComponentProperties, getProperties, loadProperties, makeComponentPrefix, setProperties

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unitn.disi.smatch.components.IConfigurable

getProperties, setProperties

Field Detail

gramlength

protected int gramlength

threshold

protected double threshold

Constructor Detail

NGram

public NGram()

Method Detail

setProperties

public boolean setProperties(java.util.Properties newProperties)
                      throws ConfigurableException

Description copied from interface: IConfigurable

Sets component configuration properties. The component might check for properties change and reconfigure or reload subcomponents.

Specified by:

setProperties in interface IConfigurable

Overrides:

setProperties in class Configurable

Parameters:

newProperties - a new configuration

Returns:

true if properties have been changed

Throws:

ConfigurableException - ConfigurableException

match

public char match(java.lang.String str1,
                  java.lang.String str2)

Computes the relation with NGram matcher.

Specified by:

match in interface IStringBasedElementLevelSemanticMatcher

Parameters:

str1 - the source input

str2 - the target input

Returns:

synonym or IDK relation