Package org.tribuo.classification.sequence.viterbi

Interface LabelFeatureExtractor

All Superinterfaces:
com.oracle.labs.mlrg.olcut.config.Configurable, ProtoSerializable<org.tribuo.classification.protos.LabelFeatureExtractorProto>, com.oracle.labs.mlrg.olcut.provenance.Provenancable<com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance>, Serializable
All Known Implementing Classes:
DefaultFeatureExtractor, NoopFeatureExtractor
public interface LabelFeatureExtractor extends com.oracle.labs.mlrg.olcut.config.Configurable, ProtoSerializable<org.tribuo.classification.protos.LabelFeatureExtractorProto>, com.oracle.labs.mlrg.olcut.provenance.Provenancable<com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance>, Serializable
A class for featurising labels from previous steps in Viterbi.

  • Field Summary

    Fields inherited from interface org.tribuo.protos.ProtoSerializable

    DESERIALIZATION_METHOD_NAME, PROVENANCE_SERIALIZER

  • Method Summary

    Modifier and Type
    Method
    Description
    static LabelFeatureExtractor
    deserialize(org.tribuo.classification.protos.LabelFeatureExtractorProto proto)
    Deserializes the LabelFeatureExtractor from the supplied protobuf.
    List<Feature>
    extractFeatures(List<Label> previousOutcomes, double value)
    Generates features based on the previously produced labels.

    Methods inherited from interface com.oracle.labs.mlrg.olcut.config.Configurable

    postConfig

    Methods inherited from interface org.tribuo.protos.ProtoSerializable

    serialize

    Methods inherited from interface com.oracle.labs.mlrg.olcut.provenance.Provenancable

    getProvenance

  • Method Details

    • extractFeatures

      List<Feature> extractFeatures(List<Label> previousOutcomes, double value)
      Generates features based on the previously produced labels.
      Parameters:
      previousOutcomes - The previous step's labels.
      value - The value to give to the features.
      Returns:
      Features.

    • deserialize

      static LabelFeatureExtractor deserialize(org.tribuo.classification.protos.LabelFeatureExtractorProto proto)
      Deserializes the LabelFeatureExtractor from the supplied protobuf.
      Parameters:
      proto - The protobuf to deserialize.
      Returns:
      The label feature extractor.