package example;
import org.junit.Test;
import ch.akuhn.hapax.Hapax;
import ch.akuhn.hapax.index.LatentSemanticIndex;
import ch.akuhn.hapax.index.Ranking;
import ch.akuhn.hapax.index.TermDocumentMatrix;
public class Examples {
@Test
public void hapaxExample() {
TermDocumentMatrix tdm;
tdm = Hapax.newCorpus()
.useCamelCaseScanner()
.rejectRareTerms()
.rejectCommonTerms()
.useTFIDF()
.addFiles(".", ".java")
.makeTDM();
System.out.println(tdm);
tdm = Hapax.newCorpus()
.useLetterScanner()
.ignoreCase()
.rejectStopwords()
.rejectRareTerms()
.dontUseWeighting()
.addDocument("c1", "Human machine interface for Lab ABC computer applications")
.addDocument("c2", "A survey of user opinion of computer system response time")
.addDocument("c3", "The EPS user interface management system")
.addDocument("c4", "System and human system engineering testing of EPS")
.addDocument("c5", "Relation of user-perceived response time to error measurement")
.addDocument("m1", "The generation of random, binary, unordered trees")
.addDocument("m2", "The intersection graph of paths in trees")
.addDocument("m3", "Graph minors IV: Widths of trees and well-quasi-ordering")
.addDocument("m4", "Graph minors: A survey")
.makeTDM();
System.out.println(tdm);
LatentSemanticIndex lsi = tdm.createIndex(2);
Ranking<String> ranking = lsi.rankDocumentsByQuery("human computer interaction");
System.out.println(ranking.top(10));
}
}