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{
  "architecture": "boundary",
  "architecture_version": 1,
  "architectures": [
    "BoundaryExtractor"
  ],
  "attn_implementation": "sdpa",
  "boundary_head": {
    "abstention_loss_weight": 0.2,
    "abstention_threshold": 0.5,
    "adaptive_threshold": false,
    "bidirectional_proposals": true,
    "boundary_attention_heads": 4,
    "boundary_attention_layers": 2,
    "boundary_attention_window": 128,
    "boundary_dim": 128,
    "boundary_ffn_multiplier": 2.0,
    "boundary_focal_clip": 0.05,
    "boundary_focal_gamma_negative": 2.0,
    "boundary_focal_gamma_positive": 0.0,
    "boundary_marginal_loss": "asymmetric_focal",
    "boundary_negative_weight": 0.5,
    "boundary_refinement_layers": 1,
    "boundary_top_k_alpha": 0.08,
    "boundary_top_k_bucket": 8,
    "boundary_top_k_max": 128,
    "candidate_attention_heads": 4,
    "candidate_attention_layers": 0,
    "candidate_budget": 192,
    "candidate_pool": "shared",
    "classification_loss_weight": 1.0,
    "classification_temperature": 1.0,
    "consistency_loss_weight": 0.1,
    "consistency_warmup_steps": 2000,
    "content_dim": 64,
    "content_soft_max_pool": false,
    "count_loss_weight": 0.2,
    "directional_relation_states": true,
    "dropout": 0.1,
    "enable_abstention": true,
    "enable_count_head": true,
    "enable_records": true,
    "enable_relations": true,
    "enable_rotary_endpoints": true,
    "enable_span_content": true,
    "end_block_size": 256,
    "end_top_k": 24,
    "endpoint_difference_features": true,
    "ends_per_start": 12,
    "export_mode": "auto",
    "hard_negative_keep_all_when_absent": true,
    "hard_negatives_per_positive": 20,
    "loss_reduction": "sum",
    "max_gold_per_query": 64,
    "max_negative_queries_per_batch": 64,
    "min_pool_per_query": 8,
    "minimum_hard_negatives": 16,
    "multihead_pair_compat_heads": 8,
    "negative_query_ratio": 1.0,
    "overlap_policy": "flat",
    "pair_dim": 128,
    "pair_temperature": 1.0,
    "pool_boundary_top_k": 32,
    "pool_size": 192,
    "proposal_loss_weight": 0.3,
    "query_attention_layers": 0,
    "query_conditioned_inside_weight": true,
    "record_anchor_proposal_threshold": 0.2,
    "record_anchor_threshold": 0.5,
    "record_dim": 128,
    "record_field_threshold": 0.5,
    "record_instance_queries": 32,
    "record_loss_weight": 1.0,
    "record_temperature": 1.0,
    "relation_argument_proposal_threshold": 0.2,
    "relation_biaffine_content": true,
    "relation_heads_per_type": 32,
    "relation_loss_weight": 1.0,
    "relation_pair_cap": 64,
    "relation_tails_per_type": 32,
    "relation_temperature": 1.0,
    "rerank_listwise_weight": 0.3,
    "reranker_endpoint_compat": true,
    "rotary_base": 10000.0,
    "soft_iou_anneal_steps": 20000,
    "soft_iou_aux_weight": 0.2,
    "start_top_k": 24,
    "starts_per_end": 12,
    "training_candidate_budget": 192,
    "use_inside_evidence": true,
    "vectorized_pair_elements": 16777216
  },
  "config_version": 3,
  "max_len": 4096,
  "model_name": "microsoft/deberta-v3-xsmall",
  "model_type": "extractor",
  "token_pooling": "first",
  "transformers_version": "5.8.0"
}