public override Phrase Parapharse(Verbs verbs, Nouns nouns, WordNetAccess wordnet, GrammarParser.ParaphraseOptions options, List <Phrase> emphasizes, ref double prob)
{
POSPhrase phrase = (POSPhrase)MemberwiseClone();
if ((options & GrammarParser.ParaphraseOptions.MoveToStart) != GrammarParser.ParaphraseOptions.NoOptions)
{
phrase.word = nouns.StartCap(phrase.word);
}
else if ((options & GrammarParser.ParaphraseOptions.MoveOffStart) != GrammarParser.ParaphraseOptions.NoOptions)
{
phrase.word = nouns.UnStartCap(phrase.word);
}
return(phrase);
}
// The initial operation on the sentence is to transform tagged tokens to phrases.
public void Populate(IEnumerable <KeyValuePair <string, string> > tokens)
{
foreach (KeyValuePair <string, string> token in tokens)
{
POSPhrase phrase = GetPOSPhrase(token.Key, token.Value);
if (phrase == null)
{
// unknown!
//Unilog.Notice(this, "Could not find part for {0}/{1}", token.Key, token.Value);
phrases.Add(new UnknownPart(token.Key));
continue;
}
phrases.Add(phrase);
}
}
public Phrase SynonymParaphrase(WordNetAccess.PartOfSpeech part, Verbs verbs, Nouns nouns, WordNetAccess wordnet, GrammarParser.ParaphraseOptions options, List <Phrase> emphasizes, ref double prob)
{
if (word == "not" || word == "non")
{
return(null); // we don't replace these!
}
// Can we use a synonym?
List <string> synonyms = wordnet.GetExactSynonyms(word, part);
if (synonyms != null)
{
synonyms.Remove(word);
synonyms.Remove(word.ToLower());
// remove any synonyms more than twice as long, or half as long as the original
List <string> onlygoods = new List <string>();
foreach (string synonym in synonyms)
{
if (synonym.Length <= 2 * word.Length && synonym.Length >= word.Length / 2)
{
onlygoods.Add(synonym);
}
}
synonyms = onlygoods;
if (synonyms.Count > 0 && RemoveUnemphasizedImprobability(.75, emphasizes, this, ref prob))
{
string newword = synonyms[ImprobabilityToInt(synonyms.Count, ref prob)];
if (IsStart(options))
{
newword = nouns.StartCap(newword);
}
POSPhrase clone = (POSPhrase)MemberwiseClone();
clone.word = newword;
return(clone);
}
}
return(null);
}
