public ClassifierResult PredictLabels(string sentence)
{
if (fastTextPredictionProcess == null)
{
throw new Exception("Sentence classifier was already disposed");
}
var preprocessedText = PreprocessSentence(sentence);
ExecutableLauncher.SendInputLine(fastTextPredictionProcess, preprocessedText);
var output = ExecutableLauncher.ReadOutputLine(fastTextPredictionProcess);
string[] results = output.Split(' ');
var result = new ClassifierResult();
if (results.Length >= 2)
{
result.Label1 = results[0].Substring(9);
result.Proba1 = float.Parse(results[1], CultureInfo.InvariantCulture.NumberFormat);
}
if (results.Length >= 4)
{
result.Label2 = results[2].Substring(9);
result.Proba2 = float.Parse(results[3], CultureInfo.InvariantCulture.NumberFormat);
}
return(result);
}
public void Dispose()
{
ExecutableLauncher.Kill(fastTextPredictionProcess);
fastTextPredictionProcess = null;
}
public SentenceClassifier(string modelFileName)
{
fastTextPredictionProcess = ExecutableLauncher.LaunchCommand(EXECUTABLE_PATH, "predict-prob " + modelFileName + " - 2", Path.GetFullPath(MODEL_DIR));
}