Monday, 20 October 2014

Calculate the Semantic Orientation for the Adjectives

Calculate the Semantic Orientation for the Adjectives

This is the sample program for calculating the semantic orientation for adjectives.If any negative words appear before any adjective, then Opposite word will be consider.

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.tika.Tika;
import org.apache.tika.exception.TikaException;

import rita.wordnet.RiWordnet;
import edu.stanford.nlp.tagger.maxent.MaxentTagger;

public class SemanticOrientation {

public static void main(String[] args) throws IOException, TikaException {
MaxentTagger tagger = new MaxentTagger("/home/hadoop/work/jars/wsj-0-18-bidirectional-nodistsim.tagger");
ArrayList<String> nelist =new ArrayList<String>();
ArrayList<String> polist =new ArrayList<String>();
ArrayList<Object> nlist = new ArrayList<Object>();
ArrayList<Object> plist = new ArrayList<Object>();
String con = new Tika().parseToString(new File("
/home/hadoop/work/ad.txt"));
String string = con.replaceAll("[^\\p{L}\\p{Nd}]", " ");
String string2 = string.replaceAll("\\s+", " ").toLowerCase();
String[] sarr = string2.split(" ");

for (int sp =0 ; sp<sarr.length;sp++) {

String nregex = "\\b"+"not"+"\\b";
Pattern pn = Pattern.compile(nregex);
Matcher mp = pn.matcher(sarr[sp]);
if(mp.find()) {
nlist.add(sp); } }

//System.out.println("not lcoation" + " " + nlist);
for (int s =0 ; s<sarr.length;s++){

String word = sarr[s];
String tagged = tagger.tagString(word);
Pattern p = Pattern.compile(".*JJ");
Matcher m = p.matcher(tagged);
if(m.find()){
String string3=m.group(0);
String adj=string3.replace("_JJ", "");
//System.out.println(noun);
plist.add(s);
polist.add(adj);
}
}
//System.out.println("adjective location" + " " + plist);

System.out.println(polist);
for( int b = 0; b < nlist.size();b++) {

for(int c =0; c< plist.size();c++) {
if((Integer.parseInt(nlist.get(b).toString()) + 2 ) ==  Integer.parseInt(plist.get(c).toString()) || (Integer.parseInt(nlist.get(b).toString()) + 1 ) ==  Integer.parseInt(plist.get(c).toString())) {
//System.out.println(plist.get(c) + "finding adjective");
nelist.add(plist.get(c).toString());
polist.remove(sarr[Integer.parseInt(plist.get(c).toString())]);
//System.out.println(polist + " " + "removed");
}
}
} //System.out.println(nelist);
// Would pass in a PApplet normally, but we don't need to here
RiWordnet wordnet = new RiWordnet();
ArrayList<String> antonymnList = new ArrayList<String>();
// Get a random noun
//String word = wordnet.getRandomWord("n");
// Get max 15 synonyms
//a >> adjective, verb >>> v , noun >>>> n, adverb >>> r
// String[] synonyms = wordnet.getAllSynonyms("beautiful", "a", 15);
// System.out.println(wordnet.getPos("good").toString());
if(nelist.size()!=0) {

for(int j = 0 ; j < nelist.size(); j++) {

//System.out.println(sarr[Integer.parseInt(nelist.get(j).toString())] + " ");

String[] antonyms = wordnet.getAllAntonyms(sarr[Integer.parseInt(nelist.get(j).toString())],"a");
// System.out.println("Random noun: " + word);
if (antonyms != null) {
//System.out.println(antonyms[0] + " " + "anty");
antonymnList.add(antonyms[0]);

} else {
System.out.println("No antonyms!");
}
}
polist.addAll(antonymnList);

}
System.out.println(polist);
SentimentalWordNet12 sn = new SentimentalWordNet12();

 double totalScore = 0;
    for(String word : polist) {
        word = word.replaceAll("([^a-zA-Z\\s])", "");
        if (sn.extract(word) == null)
            continue;
     //   System.out.println(word);
        totalScore += sn.extract(word);
    }
    if(totalScore == 0)
    {
    System.out.println("Neutral Statement :" + totalScore);
    } else if(totalScore > 0) {
     System.out.println("Postive Statement :" + totalScore);
    } else {
     System.out.println("Negative Statement :" + totalScore);
    }

}
}
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