| /* |
| * 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.coref.sim; |
| |
| import java.io.IOException; |
| |
| /** |
| * Model of mention compatibiltiy using a maxent model. |
| */ |
| public class MaxentCompatibilityModel { |
| |
| private final double minGenderProb = 0.66; |
| private final double minNumberProb = 0.66; |
| |
| private static TestGenderModel genModel; |
| private static TestNumberModel numModel; |
| |
| private boolean debugOn = false; |
| |
| public MaxentCompatibilityModel(String corefProject) throws IOException { |
| genModel = GenderModel.testModel(corefProject + "/gen"); |
| numModel = NumberModel.testModel(corefProject + "/num"); |
| } |
| |
| public Gender computeGender(Context c) { |
| Gender gender; |
| double[] gdist = genModel.genderDistribution(c); |
| if (debugOn) { |
| System.err.println("MaxentCompatibilityModel.computeGender: " |
| + c.toString() + " m=" + gdist[genModel.getMaleIndex()] + " f=" |
| + gdist[genModel.getFemaleIndex()] + " n=" + gdist[genModel.getNeuterIndex()]); |
| } |
| if (genModel.getMaleIndex() >= 0 && gdist[genModel.getMaleIndex()] > minGenderProb) { |
| gender = new Gender(GenderEnum.MALE,gdist[genModel.getMaleIndex()]); |
| } |
| else if (genModel.getFemaleIndex() >= 0 && gdist[genModel.getFemaleIndex()] > minGenderProb) { |
| gender = new Gender(GenderEnum.FEMALE,gdist[genModel.getFemaleIndex()]); |
| } |
| else if (genModel.getNeuterIndex() >= 0 && gdist[genModel.getNeuterIndex()] > minGenderProb) { |
| gender = new Gender(GenderEnum.NEUTER,gdist[genModel.getNeuterIndex()]); |
| } |
| else { |
| gender = new Gender(GenderEnum.UNKNOWN,minGenderProb); |
| } |
| return gender; |
| } |
| |
| public Number computeNumber(Context c) { |
| double[] dist = numModel.numberDist(c); |
| Number number; |
| //System.err.println("MaxentCompatibiltyResolver.computeNumber: "+c+" sing=" |
| // +dist[numModel.getSingularIndex()]+" plural="+dist[numModel.getPluralIndex()]); |
| if (dist[numModel.getSingularIndex()] > minNumberProb) { |
| number = new Number(NumberEnum.SINGULAR,dist[numModel.getSingularIndex()]); |
| } |
| else if (dist[numModel.getPluralIndex()] > minNumberProb) { |
| number = new Number(NumberEnum.PLURAL,dist[numModel.getPluralIndex()]); |
| } |
| else { |
| number = new Number(NumberEnum.UNKNOWN,minNumberProb); |
| } |
| return number; |
| } |
| } |