org.apache.ctakes.relationextractor.eval.PrintRelationStatistics.java Source code

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Here is the source code for org.apache.ctakes.relationextractor.eval.PrintRelationStatistics.java

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/*
 * 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 org.apache.ctakes.relationextractor.eval;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.apache.ctakes.typesystem.type.relation.BinaryTextRelation;
import org.apache.ctakes.typesystem.type.textsem.EntityMention;
import org.apache.uima.collection.CollectionReader;
import org.apache.uima.fit.factory.CollectionReaderFactory;
import org.apache.uima.fit.factory.JCasFactory;
import org.apache.uima.fit.util.JCasUtil;
import org.apache.uima.jcas.JCas;
import org.apache.uima.jcas.tcas.Annotation;
import org.cleartk.util.cr.FilesCollectionReader;
import org.cleartk.util.cr.XReader;
import org.kohsuke.args4j.CmdLineParser;
import org.kohsuke.args4j.Option;

import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset;

public class PrintRelationStatistics {

    public static class Options {

        @Option(name = "--train-dir", usage = "specify the directory contraining the XMI training files (for example, /NLP/Corpus/Relations/mipacq/xmi/train)", required = true)
        public File trainDirectory;
    }

    public static final String GOLD_VIEW_NAME = "GoldView";

    public static void main(String[] args) throws Exception {
        Options options = new Options();
        CmdLineParser parser = new CmdLineParser(options);
        parser.parseArgument(args);

        CollectionReader reader = CollectionReaderFactory.createReader(XReader.class,
                FilesCollectionReader.PARAM_ROOT_FILE, options.trainDirectory.getPath());

        Multiset<Integer> mentionsBetweenCounts = HashMultiset.create();
        JCas jCas = JCasFactory.createJCasFromPath("../ctakes-type-system/desc/common_type_system.xml");
        while (reader.hasNext()) {
            reader.getNext(jCas.getCas());
            JCas goldView = jCas.getView(GOLD_VIEW_NAME);
            for (BinaryTextRelation relation : JCasUtil.select(goldView, BinaryTextRelation.class)) {
                Annotation arg1 = relation.getArg1().getArgument();
                Annotation arg2 = relation.getArg2().getArgument();
                int mentionsBetween;
                if (arg1.getBegin() < arg2.getBegin()) {
                    mentionsBetween = JCasUtil
                            .selectCovered(goldView, EntityMention.class, arg1.getEnd(), arg2.getBegin()).size();
                } else {
                    mentionsBetween = -JCasUtil
                            .selectCovered(goldView, EntityMention.class, arg2.getEnd(), arg1.getBegin()).size();
                }
                mentionsBetweenCounts.add(mentionsBetween);
            }
        }

        List<Integer> mentionsBetweenKeys = new ArrayList<Integer>(mentionsBetweenCounts.elementSet());
        Collections.sort(mentionsBetweenKeys);
        for (Integer mentionsBetween : mentionsBetweenKeys) {
            System.err.printf("%d x%d\n", mentionsBetween, mentionsBetweenCounts.count(mentionsBetween));
        }
    }

}