de.l3s.icrawl.contentanalysis

Class TextRankWrapper

java.lang.Object

de.l3s.icrawl.contentanalysis.TextRankWrapper

public class TextRankWrapper
extends Object

Class wrapping an implementation of the TextRank algorithm for extracting keywords of a text. Usage: call method rank() and retrieve list of keywords.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TextRankWrapper.LANG_CODE

Constructor Summary

Constructors

Constructor and Description
TextRankWrapper()

Method Summary

Modifier and Type	Method and Description
List<String>	rank(String text, Locale lang, int k) get the top k keywords of a text by using the TextRank algorithm

Methods inherited from class java.lang.Object

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

Constructor Detail

TextRankWrapper

public TextRankWrapper()

Method Detail

rank

public List<String> rank(String text,
                         Locale lang,
                         int k)

get the top k keywords of a text by using the TextRank algorithm

Parameters:

text - the text where keywords should be found

lang - the language of the text

k - the number of keywords to be returned

Returns:

a array of at most k keywords, if there are less keywords found array contains less keywords (at least no keyword)