long document classification with language models
:book: BERT Long Document Classification :book:
an easy-to-use interface to fully trained BERT based models for multi-class and multi-label long document classification.
pre-trained models are currently available for two clinical note (EHR) phenotyping tasks: smoker identification and obesity detection.
To sustain future development and improvements, we interface pytorch-transformers for all language model components of our architectures. Additionally, their is a blog post describing the architecture.
|Model||Dataset||# Labels||Evaluation F1|
|n2c2_2006_smoker_lstm||I2B2 2006: Smoker Identification||4||0.981|
|n2c2_2008_obesity_lstm||I2B2 2008: Obesity and Co-morbidities Identification||15||0.997|
Install with pip:
pip install bert_document_classification
pip install git+https://github.com/AndriyMulyar/bert_document_classification
Maps text documents of arbitrary length to binary vectors indicating labels.
from bert_document_classification.models import SmokerPhenotypingBert from bert_document_classification.models import ObesityPhenotypingBert smoking_classifier = SmokerPhenotypingBert(device='cuda', batch_size=10) #defaults to GPU prediction obesity_classifier = ObesityPhenotypingBert(device='cpu', batch_size=10) #or CPU if you would like. smoking_classifier.predict(["I'm a document! Make me long and the model can still perform well!"])
- For training you will need a GPU.
- For bulk inference where speed is not of concern lots of available memory and CPU cores will likely work.
- Model downloads are cached in
~/.cache/torch/bert_document_classification/. Try clearing this folder if you have issues.
If you found this project useful, consider citing our extended abstract accepted at NeurIPS 2019 ML4Health .
Format bibtex citation
Implementation, development and training in this project were supported by funding from the Mark Dredze Lab at Johns Hopkins University.
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