v1

Natural Language Understanding

With Natural Language Understanding developers can analyze semantic features of text input, including - categories, concepts, emotion, entities, keywords, metadata, relations, semantic roles, and sentiment.

Usage

Natural Language Understanding uses natural language processing to analyze semantic features of any text. Provide plain text, HTML, or a public URL, and Natural Language Understanding returns results for the features you specify. The service cleans HTML before analysis by default, which removes most advertisements and other unwanted content.

You can create custom models with Watson Knowledge Studio that can be used to detect custom entities and relations in Natural Language Understanding.

Analyze

Analyze features of natural language content.

private void Analyze()
{
  if (!_naturalLanguageUnderstanding.Analyze(OnAnalyze, OnFail, <parameters>))
      Log.Debug("ExampleNaturalLanguageUnderstanding.Analyze()", "Failed to get models.");
}

private void OnAnalyze(AnalysisResults resp, Dictionary<string, object> customData)
{
    Log.Debug("ExampleNaturalLanguageUnderstanding.OnAnalyze()", "AnalysisResults: {0}", customData["json"].ToString());
}

Get Models

List available custom models.

private void GetModels()
{
  if (!_naturalLanguageUnderstanding.GetModels(OnGetModels, OnFail))
      Log.Debug("ExampleNaturalLanguageUnderstanding.GetModels()", "Failed to get models.");
}

private void OnGetModels(ListModelsResults resp, Dictionary<string, object> customData)
{
    Log.Debug("ExampleNaturalLanguageUnderstanding.OnGetModels()", "ListModelsResult: {0}", customData["json"].ToString());
}

Delete Model

Delete a custom model.

private void DeleteModel()
{
  if (!_naturalLanguageUnderstanding.DeleteModel(OnDeleteModel, OnFail, <model-id>))
      Log.Debug("ExampleNaturalLanguageUnderstanding.DeleteModel()", "Failed to delete model.");
}

private void OnDeleteModel(bool success, Dictionary<string, object> customData)
{
    Log.Debug("ExampleNaturalLanguageUnderstanding.OnDeleteModel()", "DeleteModelResult: {0}", success);
}