Named Entity Recognition Tagging

utterance	tag
Blade Runner is a 1982 neo-noir science fiction film directed by Ridley Scott	Movie Movie O O Date O O O O O O Person Person
Harrison Ford and Rutger Hauer starred in it	Person Person O Person person O O O
Philip Dick 's novel Do Androids Dream of Electric Sheep ? was published in 1968	Person Person O O Book Book Book Book Book Book Book O O O Date

ludwig experiment \
  --dataset sequence_tags.csv \
  --config config.yaml

With config.yaml:

input_features:
    -
        name: utterance
        type: text
        encoder: 
            type: rnn
            cell_type: lstm
            reduce_output: null
        preprocessing:
          tokenizer: space

output_features:
    -
        name: tag
        type: sequence
        decoder: 
            type: tagger