public static void FindCoreferenceResolution(string text)
{
//var text = "Barack Obama nominated Hillary Rodham Clinton as his secretary of state on Monday. He chose her because she had foreign affairs experience as a former First Lady.";
var jarRoot = @"../../../data/paket-files/stanford-corenlp-3.9.1-models/";
var propsFile = Path.Combine(jarRoot, "StanfordCoreNLP.properties");
var props = new Properties();
//props.setProperty("annotators", "coref");
props.load(new FileReader(propsFile));
props.setProperty("ner.useSUTime", "0");
// We should change current directory, so StanfordCoreNLP could find all the model files automatically
var curDir = Environment.CurrentDirectory;
Directory.SetCurrentDirectory(jarRoot);
var pipeline = new StanfordNLP.StanfordCoreNLP(props);
Directory.SetCurrentDirectory(curDir);
// Annotation
var annotation = new Annotation(text);
pipeline.annotate(annotation);
// Result (detail)
//using (var stream = new ByteArrayOutputStream())
//{
// pipeline.prettyPrint(annotation, new PrintWriter(stream));
// Console.WriteLine(stream.toString());
// stream.close();
//}
// Result
var corefChainAnnotation = new CorefCoreAnnotations.CorefChainAnnotation().getClass();
Console.WriteLine("---");
Console.WriteLine("coref chains");
var corefChain = annotation.get(corefChainAnnotation) as Map;
foreach (CorefChain cc in corefChain.values().toArray())
{
Console.WriteLine($"\t{cc}");
}
}
// Sample from https://stanfordnlp.github.io/CoreNLP/coref.html
static void Main()
{
var jarRoot = @"..\..\..\..\data\paket-files\nlp.stanford.edu\stanford-corenlp-full-2018-02-27\models";
Annotation document = new Annotation("Barack Obama was born in Hawaii. He is the president. Obama was elected in 2008.");
Properties props = new Properties();
props.setProperty("annotators", "tokenize,ssplit,pos,lemma,ner,parse,mention,coref");
props.setProperty("ner.useSUTime", "0");
var curDir = Environment.CurrentDirectory;
Directory.SetCurrentDirectory(jarRoot);
var pipeline = new StanfordCoreNLP(props);
Directory.SetCurrentDirectory(curDir);
pipeline.annotate(document);
var corefChainAnnotation = new CorefCoreAnnotations.CorefChainAnnotation().getClass();
var sentencesAnnotation = new CoreAnnotations.SentencesAnnotation().getClass();
var corefMentionsAnnotation = new CorefCoreAnnotations.CorefMentionsAnnotation().getClass();
Console.WriteLine("---");
Console.WriteLine("coref chains");
var corefChain = document.get(corefChainAnnotation) as Map;
foreach (CorefChain cc in corefChain.values().toArray())
{
Console.WriteLine($"\t{cc}");
}
var sentences = document.get(sentencesAnnotation) as ArrayList;
foreach (CoreMap sentence in sentences.toArray())
{
Console.WriteLine("---");
Console.WriteLine("mentions");
var corefMentions = sentence.get(corefMentionsAnnotation) as ArrayList;
foreach (Mention m in corefMentions)
{
Console.WriteLine("\t" + m);
}
}
}
public void CorefTest()
{
Annotation document = new Annotation("Barack Obama was born in Hawaii. He is the president. Obama was elected in 2008.");
Properties props = new Properties();
props.setProperty("annotators", "tokenize,ssplit,pos,lemma,ner,parse,coref");
props.setProperty("ner.useSUTime", "false");
var curDir = Environment.CurrentDirectory;
Directory.SetCurrentDirectory(Files.CoreNlp.JarRoot);
var pipeline = new StanfordCoreNLP(props);
Directory.SetCurrentDirectory(curDir);
pipeline.annotate(document);
var corefChainAnnotation = new CorefCoreAnnotations.CorefChainAnnotation().getClass();
var sentencesAnnotation = new CoreAnnotations.SentencesAnnotation().getClass();
var corefMentionsAnnotation = new CorefCoreAnnotations.CorefMentionsAnnotation().getClass();
Console.WriteLine("---");
Console.WriteLine("coref chains");
var corefChain = (Map)document.get(corefChainAnnotation);
foreach (CorefChain cc in corefChain.values().toArray())
{
Console.WriteLine($"\t{cc}");
}
var sentences = (ArrayList)document.get(sentencesAnnotation);
foreach (CoreMap sentence in sentences.toArray())
{
Console.WriteLine("---");
Console.WriteLine("mentions");
var corefMentions = (ArrayList)sentence.get(corefMentionsAnnotation);
foreach (Mention m in corefMentions)
{
Console.WriteLine("\t" + m);
}
}
}
