org.dkpro.tc.features.pair.core.ngram.meta

Class ComboUtils

java.lang.Object

org.dkpro.tc.features.pair.core.ngram.meta.ComboUtils

public class ComboUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	JOINT This is the character for joining strings for combo ngrams.

Constructor Summary

Constructors

Constructor and Description
ComboUtils()

Method Summary

Modifier and Type	Method and Description
static de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String>	getCombinedNgrams(de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String> document1NGrams, de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String> document2NGrams, int minN, int maxN, boolean ngramUseSymmetricalCombos) Get combinations of ngrams from a pair of documents.
static de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String>	getMultipleViewNgrams(List<org.apache.uima.jcas.JCas> jcases, org.apache.uima.jcas.tcas.Annotation preSetTarget, boolean ngramLowerCase, boolean filterPartialStopwords, int ngramMinN, int ngramMaxN, Set<String> stopwords)

Methods inherited from class java.lang.Object

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

Field Detail

JOINT

public static final String JOINT

This is the character for joining strings for combo ngrams.

See Also:

Constant Field Values

Constructor Detail

ComboUtils

public ComboUtils()

Method Detail

getCombinedNgrams

public static de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String> getCombinedNgrams(de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String> document1NGrams,
                                                                                                               de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String> document2NGrams,
                                                                                                               int minN,
                                                                                                               int maxN,
                                                                                                               boolean ngramUseSymmetricalCombos)

Get combinations of ngrams from a pair of documents.

Parameters:

document1NGrams - ngrams from document 1

document2NGrams - ngrams from document 2

minN - minimum size for a new combined ngram

maxN - max size for a new combined ngram

ngramUseSymmetricalCombos - whether or not to return view-neutral ngrams

Returns:

combinations of ngrams

getMultipleViewNgrams

public static de.tudarmstadt.ukp.dkpro.core.api.frequency.util.FrequencyDistribution<String> getMultipleViewNgrams(List<org.apache.uima.jcas.JCas> jcases,
                                                                                                                   org.apache.uima.jcas.tcas.Annotation preSetTarget,
                                                                                                                   boolean ngramLowerCase,
                                                                                                                   boolean filterPartialStopwords,
                                                                                                                   int ngramMinN,
                                                                                                                   int ngramMaxN,
                                                                                                                   Set<String> stopwords)
                                                                                                            throws org.dkpro.tc.api.exception.TextClassificationException

Throws:

org.dkpro.tc.api.exception.TextClassificationException