package com.collaborative.ml

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• repeated int32 batch_id = 1

• repeated PB_EncodedNumber batch_loss = 1

• repeated PB_EncodedNumber batch_sum = 1

Used in: PB_BatchLosses, PB_BatchSums, PB_EncryptedLabelVec, PB_EncryptedLabelVector, PB_EncryptedStatPerSplit, PB_EncryptedStatistics, PB_PruneCheckResult, PB_PruneConditionResult, PB_UpdateInfo

• string n = 1

• string value = 2

• int32 exponent = 3

• int32 type = 4

deprecated

Used in: PB_PruneConditionResult

• repeated PB_EncodedNumber encrypted_label = 1

  encrypted labels of a class

• repeated PB_EncodedNumber label_indicator = 1

  size should be classes_num * sample_num

Used in: PB_EncryptedStatistics

• repeated PB_EncodedNumber encrypted_stat = 1

  encrypted stat for each branch of each class

• int32 client_id = 1

  client id

• int32 node_index = 2

  node index

• int32 local_split_num = 3

  total split num on a client

• int32 classes_num = 4

  classes_num * 2 (if regression, classes_num = 2)

• repeated PB_EncodedNumber left_sample_nums_of_splits = 5

  sample_nums of left branch of total splits

• repeated PB_EncodedNumber right_sample_nums_of_splits = 6

  sample_nums of right branch of total splits

• repeated PB_EncryptedStatPerSplit encrypted_stats_of_splits = 7

  two-dimensional encrypted statistics

• int32 public_key_s = 1

• int32 public_key_w = 2

• int32 public_key_l = 3

• repeated PB_PublicN public_key_n = 4

• string public_key_g = 5

• string public_key_delta = 6

• int32 auth_server_i = 7

• string auth_server_si = 8

• int32 node_index = 1

• int32 is_satisfied = 2

• optional PB_EncodedNumber label = 3

deprecated

• int32 node_index = 1

  tree node index

• int32 pruning_satisfied = 2

  0: not satisfied; 1: satisfied, return leaf node

• repeated PB_EncryptedLabelVec encrypted_label_vec = 3

  if pruning_satisfied = 0, broadcast encrypted labels for find split

• optional PB_EncodedNumber label = 4

  PB_EncodedNumber impurity = 4; // if pruning_satisfied = 1, return a leaf node with encrypted impurity

  if pruning_satisfied = 1, return a leaf node with plaintext label

Used in: PB_Keys

• string n = 1

• int32 global_split_num = 1

  total split num of all clients

• repeated int32 split_num_vec = 2

  split_num of each client

• int32 source_client_id = 1

  client who sends the message

• int32 best_client_id = 2

  client owns the best split in the current node, should be same as first parameter

• int32 best_feature_id = 3

  best feature id on the best_client_id

• int32 best_split_id = 4

  best split id for the best_feature_id

• optional PB_EncodedNumber left_branch_impurity = 5

  impurity of the left child node

• optional PB_EncodedNumber right_branch_impurity = 6

  impurity of the right child node

• repeated PB_EncodedNumber left_branch_sample_ivs = 7

  sample iv of the left child node

• repeated PB_EncodedNumber right_branch_sample_ivs = 8

  sample iv of the right child node