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jvaquet/
multilabel-classification-bert-ontonotes5

Name: multilabel-classification-bert-ontonotes5
Availability: InStock

multilabel-token-classification

custom_code

tner/ontonotes5

jvaquet/multilabel-classification-bert

finetune

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Overview

This is a BERT-based multi-label token classification model fine tuned on the OntoNotes5 dataset.
The entities are one-hot encoded using the BIES (Begin/Inside/End/Single) scheme. As this is a multi-label model, there is no "Outside" label, for clasically outside tokens no class is predicted.
The model comes with a pipeline to extract named entities from the model predictions
For a short overview of the adaptions for multi-label token classification, see the non-finetuned parent model jvaquet/multilabel-classification-bert.

Pipeline Usage

Using the NER pipeline is rahter simple:

python

from transformers import pipeline

pipe = pipeline(model='jvaquet/multilabel-classification-bert-ontonotes5',
  stride=128,
  threshold=0.5,
  use_hierarchy_heuristic=False,
  trust_remote_code=True)

entities = pipe(my_text)

The parameters are:

stride - int: Stride for the tokenizer. When the text length exceeds tokenizer.model_max_length, it splits the input accordingly with the specified stride.
threshold - float: Threshold for entitiy detection. Sigmoid of the logits.
use_hierarchy_heuristic - bool: Apply heuristic to suppress additional entities when entities of same class overlap hierarchically.