{
  "version": "branch1_v1",
  "branch": "branch1_supervised_multiclass",
  "architecture": "tfidf_logreg",
  "trained_at": "2026-07-16T12:16:08",
  "train_rows": 54236,
  "test_rows": 13560,
  "f1_macro": 0.9821905121114611,
  "train_time_s": 14.00293961600255,
  "labels": {
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    "1": "union_based",
    "2": "error_based",
    "3": "boolean_blind",
    "4": "time_blind"
  },
  "dataset": "data/processed/branch1_train.csv",
  "tfidf": {
    "analyzer": "char_wb",
    "ngram_min": 2,
    "ngram_max": 4,
    "max_features": 50000
  }
}