Recognize names using OpenNLP NameFinder

RecognizeNamesOpenNLPNameFinder

package demoNameFind;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import opennlp.tools.namefind.NameFinderME;
import opennlp.tools.namefind.TokenNameFinderModel;
import opennlp.tools.tokenize.Tokenizer;
import opennlp.tools.tokenize.TokenizerME;
import opennlp.tools.tokenize.TokenizerModel;
import opennlp.tools.util.Span;

public class Main {
	
	static String sentence = "Jack London is the author of what novel?";

	public static void main(String[] args) {

		InputStream modelInToken = null;
		InputStream modelIn = null;
		
		try {
			
			//1. convert sentence into tokens
		    	modelInToken = new FileInputStream("en-token.bin");
		    	TokenizerModel modelToken = new TokenizerModel(modelInToken); 
		    	Tokenizer tokenizer = new TokenizerME(modelToken);  
		    	String tokens[] = tokenizer.tokenize(sentence);

		    	//2. find names
		    	modelIn = new FileInputStream("en-ner-person.bin");
		    	TokenNameFinderModel model = new TokenNameFinderModel(modelIn);
		    	NameFinderME nameFinder = new NameFinderME(model);
				
		    	Span nameSpans[] = nameFinder.find(tokens);
		    	
		    	//find probabilities for names
		    	double[] spanProbs = nameFinder.probs(nameSpans);
		    	
		    	//3. print names
		    	for( int i = 0; i<nameSpans.length; i++) {
		    		System.out.println("Span: "+nameSpans[i].toString());
		    		System.out.println("Covered text is: "+tokens[nameSpans[i].getStart()] + " " + tokens[nameSpans[i].getStart()+1]);
		    		System.out.println("Probability is: "+spanProbs[i]);
		    	}		    	
		    	//Span: [0..2) person
		    	//Covered text is: Jack London
		    	//Probability is: 0.7081556539712883
			}
			catch (Exception ex) {}
			finally {
				  try { if (modelInToken != null) modelInToken.close(); } catch (IOException e){};
				  try { if (modelIn != null) modelIn.close(); } catch (IOException e){};
			}
	}
}
	

hey..
could you provide the code for find method?

The find method is from the NameFinderME class of Apache OpenNLP. See the associated Javadoc : https://opennlp.apache.org/docs/1.9.0/apidocs/opennlp-tools/opennlp/tools/namefind/NameFinderME.html#find-java.lang.String:A-