/**
* Generates a single classification instance of the NER problem for the given word of the given sentence. If the
* word has not been labeled with NER tag yet, the method returns null.
* @param sentence Input sentence.
* @param wordIndex The index of the word in the sentence.
* @return Classification instance.
*/
public override Instance GenerateInstanceFromSentence(Sentence sentence, int wordIndex)
{
var word = (AnnotatedWord)sentence.GetWord(wordIndex);
var classLabel = NamedEntityTypeStatic.GetNamedEntityType(word.GetNamedEntityType());
if (classLabel == null)
{
return(null);
}
var current = new Instance(classLabel);
AddAttributes(current, sentence, wordIndex);
return(current);
}
public void TestNamedEntityType()
{
Assert.AreEqual(NamedEntityTypeStatic.GetNamedEntityType("person"), NamedEntityType.PERSON);
Assert.AreEqual(NamedEntityTypeStatic.GetNamedEntityType("Time"), NamedEntityType.TIME);
Assert.AreEqual(NamedEntityTypeStatic.GetNamedEntityType("location"), NamedEntityType.LOCATION);
}
public new string GetLayerValue()
{
return(NamedEntityTypeStatic.GetNamedEntityType(_namedEntity));
}
public new void SetLayerValue(string layerValue)
{
this.layerValue = layerValue;
_namedEntity = NamedEntityTypeStatic.GetNamedEntityType(layerValue);
}