/**
* Checks if a word is a name or not
*
* @param word
* @return
*/
private static boolean isName(String word) {
String[] syllables = word.split("\\s+");
if (syllables.length == 1) {
String s = syllables[0];
if (s.length() > 0) {
char c = s.charAt(0);
if ((c >= 'A' && c <= 'Z') || CaseConverter.isValidUpper(c)) {
return true;
}
}
}
for (String s : syllables) {
if (s.length() > 0) {
char c = s.charAt(0);
if ((c >= 'a' && c <= 'z') || CaseConverter.isValidLower(c)) {
return false;
}
}
}
return true;
}
/**
* Gets the words of a tagged sentence. In the tagged sentence, word/tag pairs are separated by
* space characters.
*
* @param taggedSentence a tagged sentence.
* @return a set of words.
*/
public static Set<String> getWords(String taggedSentence) {
Set<String> words = new HashSet<String>();
String[] pairs = taggedSentence.split("\\s+");
int slashIndex = -1;
for (String pair : pairs) {
slashIndex = pair.indexOf('/');
if (slashIndex > 0) {
String word = pair.substring(0, slashIndex);
// replace all the _ with spaces
word = word.replaceAll("_", " ").trim();
if (PRUNE_NAME) {
if (!containsStopwords(word) && !isName(word)) {
// make the word lowercase
words.add(CaseConverter.toLower(word));
}
} else {
words.add(word);
}
}
}
return words;
}
