/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package opennlp.tools.formats.muc;
import java.io.File;
import java.io.FileFilter;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import opennlp.tools.cmdline.ArgumentParser;
import opennlp.tools.cmdline.ArgumentParser.ParameterDescription;
import opennlp.tools.cmdline.StreamFactoryRegistry;
import opennlp.tools.cmdline.namefind.TokenNameFinderModelLoader;
import opennlp.tools.cmdline.params.BasicFormatParams;
import opennlp.tools.cmdline.parser.ParserModelLoader;
import opennlp.tools.cmdline.tokenizer.TokenizerModelLoader;
import opennlp.tools.coref.CorefSample;
import opennlp.tools.formats.AbstractSampleStreamFactory;
import opennlp.tools.formats.DirectorySampleStream;
import opennlp.tools.formats.convert.FileToStringSampleStream;
import opennlp.tools.namefind.NameFinderME;
import opennlp.tools.namefind.TokenNameFinder;
import opennlp.tools.parser.Parser;
import opennlp.tools.parser.ParserFactory;
import opennlp.tools.parser.ParserModel;
import opennlp.tools.tokenize.Tokenizer;
import opennlp.tools.tokenize.TokenizerME;
import opennlp.tools.tokenize.TokenizerModel;
import opennlp.tools.util.ObjectStream;
/**
* Factory creates a stream which can parse MUC 6 Coref data and outputs CorefSample
* objects which are enhanced with a full parse and are suitable to train the Coreference component.
*/
public class Muc6FullParseCorefSampleStreamFactory extends AbstractSampleStreamFactory<CorefSample> {
interface Parameters extends BasicFormatParams {
@ParameterDescription(valueName = "modelFile")
File getParserModel();
@ParameterDescription(valueName = "modelFile")
File getTokenizerModel();
@ParameterDescription(valueName = "modelFile")
File getPersonModel();
@ParameterDescription(valueName = "modelFile")
File getOrganizationModel();
// TODO: Add other models here !!!
}
protected Muc6FullParseCorefSampleStreamFactory() {
super(Parameters.class);
}
public ObjectStream<CorefSample> create(String[] args) {
Parameters params = ArgumentParser.parse(args, Parameters.class);
ParserModel parserModel = new ParserModelLoader().load(params.getParserModel());
Parser parser = ParserFactory.create(parserModel);
TokenizerModel tokenizerModel = new TokenizerModelLoader().load(params.getTokenizerModel());
Tokenizer tokenizer = new TokenizerME(tokenizerModel);
ObjectStream<String> mucDocStream = new FileToStringSampleStream(
new DirectorySampleStream(params.getData(), new FileFilter() {
public boolean accept(File file) {
return file.getName().toLowerCase().endsWith(".sgm");
}
}, false), Charset.forName("UTF-8"));
ObjectStream<RawCorefSample> rawSamples =
new MucCorefSampleStream(tokenizer, mucDocStream);
ObjectStream<RawCorefSample> parsedSamples = new FullParseCorefEnhancerStream(parser, rawSamples);
// How to load all these nameFinder models ?!
// Lets make a param per model, not that nice, but ok!
Map<String, File> modelFileTagMap = new HashMap<String, File>();
modelFileTagMap.put("person", params.getPersonModel());
modelFileTagMap.put("organization", params.getOrganizationModel());
List<TokenNameFinder> nameFinders = new ArrayList<TokenNameFinder>();
List<String> tags = new ArrayList<String>();
for (Map.Entry<String, File> entry : modelFileTagMap.entrySet()) {
nameFinders.add(new NameFinderME(
new TokenNameFinderModelLoader().load(entry.getValue())));
tags.add(entry.getKey());
}
return new MucMentionInserterStream(new NameFinderCorefEnhancerStream(nameFinders.toArray(
new TokenNameFinder[nameFinders.size()]),
tags.toArray(new String[tags.size()]), parsedSamples));
}
public static void registerFactory() {
StreamFactoryRegistry.registerFactory(CorefSample.class, "muc6full",
new Muc6FullParseCorefSampleStreamFactory());
}
}