Bo-Multilayer-Detection

BDRC/Bo-Multilayer-Detection

Bo-Multilayer-Detection is a token classification model from BDRC. Use it when you need labels on individual words, such as names. It is set up for transformers.

Tibetan annotation-layer token classifier fine-tuned from jhu-clsp/mmBERT-base.

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At a glance

Task: Token Classification
Library: transformers
Model type: modernbert
Access: Public
Created: Aug 6, 2026
Updated: Sep 25, 2026
SHA: 4423ac66

Base models

jhu-clsp/mmBERT-base

Datasets

karma689/layer_detection

Model card

From the Hugging Face model README

mmbert_base_v1.2

Tibetan annotation-layer token classifier fine-tuned from jhu-clsp/mmBERT-base.

Validation metrics

The values below are from the best evaluation record. The complete evaluation history and original Trainer state are included in training/metrics.json and training/trainer_state.json.

Metric	Value
`epoch`	`8.0`
`eval_f1`	`0.078113428181641`
`eval_f1_author`	`0.6329113924050632`
`eval_f1_chapter`	`0.5358490566037736`
`eval_f1_quote`	`0.022925944252020453`
`eval_f1_sabche`	`0.19551934826883913`
`eval_f1_tsawa`	`0.03828125`
`eval_f1_yigchung`	`0.02306079664570231`
`eval_loss`	`0.15565519034862518`
`eval_precision`	`0.052703555649063746`
`eval_recall`	`0.15083546590395905`
`eval_runtime`	`165.0116`
`eval_samples_per_second`	`8.581`
`eval_soft_f1_tol0`	`0.078113428181641`
`eval_soft_f1_tol1`	`0.09284739816799845`
`eval_soft_precision_tol0`	`0.052703555649063746`
`eval_soft_precision_tol1`	`0.06264464548706081`
`eval_soft_recall_tol0`	`0.15083546590395905`
`eval_soft_recall_tol1`	`0.17928646695769984`
`eval_steps_per_second`	`4.291`
`step`	`10832`

Training parameters

Every value from the experiment's config.yaml is listed below. The original file is also included as training/config.yaml.

Parameter	Value
`experiment_name`	`mmbert_base_v1.2`
`dataset_repo`	`karma689/layer_detection`
`dataset_revision`	`null`
`scope_policy`	`confirmed`
`local_fallback.repos_dir`	`../../Data/repos`
`local_fallback.split_csv`	`../../Data/audit/split.csv`
`checkpoint`	`jhu-clsp/mmBERT-base`
`fallback_checkpoint`	`KoichiYasuoka/bert-base-tibetan`
`attn_implementation`	`flash_attention_2`
`attn_fallback_implementation`	`sdpa`
`max_length`	`8192`
`stride`	`5120`
`pad_to_multiple_of`	`8`
`window_cache_dir`	`window_cache`
`tokenize_num_workers`	`8`
`masked_layers`	`["BookTitle"]`
`learning_rate`	`1e-05`
`train_batch_size`	`2`
`eval_batch_size`	`2`
`gradient_accumulation_steps`	`4`
`num_train_epochs`	`10`
`weight_decay`	`0.01`
`warmup_ratio`	`0.2`
`max_grad_norm`	`0.3`
`class_weighting`	`True`
`class_weight_cap`	`5.0`
`o_class_weight`	`0.07`
`fp16`	`False`
`bf16`	`True`
`gradient_checkpointing`	`False`
`dataloader_num_workers`	`4`
`dataloader_pin_memory`	`True`
`tf32`	`True`
`seed`	`42`
`logging_steps`	`20`
`save_total_limit`	`3`
`resume_from_checkpoint`	`null`
`eval_strategy`	`epoch`
`save_strategy`	`epoch`
`load_best_model_at_end`	`True`
`metric_for_best_model`	`soft_f1_tol1`
`greater_is_better`	`True`
`early_stopping_patience`	`3`
`report_to`	`["wandb"]`
`wandb.project`	`layer-detection`
`wandb.mode`	`online`
`output_dir`	`outputs`

Labels

ID	BIO label
0	`O`
1	`B-QUOTE`
2	`I-QUOTE`
3	`B-SABCHE`
4	`I-SABCHE`
5	`B-TSAWA`
6	`I-TSAWA`
7	`B-YIGCHUNG`
8	`I-YIGCHUNG`
9	`B-CHAPTER`
10	`I-CHAPTER`
11	`B-AUTHOR`
12	`I-AUTHOR`
13	`B-BOOKTITLE`
14	`I-BOOKTITLE`

Usage

from transformers import AutoModelForTokenClassification, AutoTokenizer

model_id = "karma689/mmbert-base-layer-detection-v1.2"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForTokenClassification.from_pretrained(model_id)

Long texts should use the same window settings shown in the training parameters.

License and attribution

Base model license follows jhu-clsp/mmBERT-base (Apache-2.0). Source texts were digitized and made available by the Buddhist Digital Resource Center (BDRC). Annotations were prepared through OpenPecha with support from the Tsadra Foundation.

Task: Token Classification
Library: transformers
Type: modernbert
Languages: bo
Created: Aug 6, 2026
Updated: Sep 25, 2026