input_context.proto

syntax = "proto3";

package carls;

// An InputContext is a list of features that provides the context of an input.
message InputContext {
  // Map from feature name to InputFeature.
  map<string, InputFeature> feature = 1;
}

// A generic sparse/dense feature representation.
// Each feature must have a unique value list, be it string, float or int.
// To include addition information for debugging, one can use debug_info.
message InputFeature {
  repeated FeatureValue feature_value = 1;
}

message FeatureValue {
  oneof feature {
    BytesFeature bytes_feature = 1;
    FloatFeature float_feature = 2;
    Int64Feature int64_feature = 3;
    Uint64Feature uint64_feature = 4;
  }
}

message BytesFeature {
  bytes value = 1;
  // Weights associated with this feature vlaue.
  repeated float weight = 2;
  // Human-readable informaiton for each of the feature values.
  string debug_info = 3;
}

message FloatFeature {
  float value = 1;
  // Weights associated with this feature vlaue.
  repeated float weight = 2;
  // Human-readable informaiton for each of the feature values.
  string debug_info = 3;
}

message Int64Feature {
  int64 value = 1;
  // Weights associated with this feature vlaue.
  repeated float weight = 2;
  // Human-readable informaiton for each of the feature values.
  string debug_info = 3;
}

message Uint64Feature {
  uint64 value = 1;
  // Weights associated with this feature vlaue.
  repeated float weight = 2;
  // Human-readable information for each of the feature values.
  string debug_info = 3;
}