19.4.2 Building a Minimal Unsupervised GraphWise Model
You can build an Unsupervised GraphWise model with only vertex properties, or
      only edge properties or both using the minimal configuration and default
      hyper-parameters.
               opg4j> var model = analyst.unsupervisedGraphWiseModelBuilder().
                setVertexInputPropertyNames("features").
                build()UnsupervisedGraphWiseModel model = analyst.unsupervisedGraphWiseModelBuilder()
    .setVertexInputPropertyNames("features")
    .build();
model = analyst.unsupervised_graphwise_builder(vertex_input_property_names=["features"])