/*Stem the given word with, return the stemmed word
*/
public List <string> Stem(string word)
{
if (pipeline == null)
{
Initial();
}
var lemmas = new List <String>();
// create an empty Annotation just with the given text
var document = new Annotation(word);
// run all Annotators on this text
try
{
pipeline.annotate(document);
}
catch (Exception)
{
return(null);
}
// Iterate over all of the sentences found
var senObj = new edu.stanford.nlp.ling.CoreAnnotations.SentencesAnnotation();
var obj = document.get(senObj.getClass());
var tokenObj = new edu.stanford.nlp.ling.CoreAnnotations.TokensAnnotation();
var lemmaObj = new edu.stanford.nlp.ling.CoreAnnotations.LemmaAnnotation();
var sentences = (ArrayList)obj;
foreach (CoreMap sentence in sentences)
{
// Iterate over all tokens in a sentence
lemmas.AddRange(from CoreLabel token in (ArrayList)sentence.get(tokenObj.getClass())
select(string) token.get(lemmaObj.getClass()));
}
return(lemmas);
}
public List <string> SplitSequence(string sequence)
{
if (pipeline == null)
{
Initial();
}
if (sequence == null)
{
throw new Exception("Sequence should not be null for sentence splitting!");
}
var document = new Annotation(sequence);
pipeline.annotate(document);
var senObj = new edu.stanford.nlp.ling.CoreAnnotations.SentencesAnnotation();
var sentences = (ArrayList)document.get(senObj.getClass());
tokensBySentence = new List <string[]>();
for (var i = 0; i < sentences.size(); i++)
{
var sen = sentences.get(i);
}
return((from CoreMap sentence in sentences select sentence.ToString()).ToList());
}
private StafordCoreNlpSentimentClass FindSentiment(string text)
{
var sentimentList = new List <int>();
if (!String.IsNullOrWhiteSpace(text))
{
var annotation = _nlp.process(text);
var SentencesAnnotationClass = new edu.stanford.nlp.ling.CoreAnnotations.SentencesAnnotation().getClass();
var SentimentAnnotatedTreeClass = new edu.stanford.nlp.sentiment.SentimentCoreAnnotations.AnnotatedTree().getClass();
java.util.ArrayList bla = (java.util.ArrayList)annotation.get(SentencesAnnotationClass);
foreach (edu.stanford.nlp.util.CoreMap sentence in bla)
{
var tree = (edu.stanford.nlp.trees.Tree)sentence.get(SentimentAnnotatedTreeClass);
int sentiment = edu.stanford.nlp.neural.rnn.RNNCoreAnnotations.getPredictedClass(tree);
sentimentList.Add(sentiment);
}
}
return(SummarizeSentiment(sentimentList));
}
