{
  "model_name": "Enhanced MarianMT Meeting Translation ID-EN",
  "base_model": "Helsinki-NLP/opus-mt-id-en",
  "enhancement_date": "2025-05-28T12:42:35.765269",
  "best_bleu_score": 11.746771868146594,
  "baseline_bleu": 9.146153343607343,
  "improvement": 2.60061852453925,
  "training_epochs": 12,
  "dataset_composition": {
    "tedtalks_percentage": 0.8,
    "meeting_domain_percentage": 0.1,
    "total_samples": 69138
  },
  "specialization": "meeting_domain_adaptation",
  "hyperparameters": {
    "max_length": 128,
    "batch_size": 6,
    "learning_rate": 1e-05,
    "weight_decay": 0.01,
    "gradient_clip": 1.0,
    "warmup_ratio": 0.15
  },
  "performance": {
    "target_bleu": "> baseline",
    "target_speed": "< 1.5s",
    "achieved_bleu": 11.746771868146594,
    "achieved_speed": 0.11984974145889282,
    "bleu_achieved": true,
    "speed_achieved": true
  },
  "enhancements": [
    "domain_specific_meeting_data",
    "tedtalks_large_dataset",
    "enhanced_learning_rate",
    "robust_evaluation",
    "longer_max_length",
    "meeting_vocabulary_adaptation"
  ]
}