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nlp_re_bilstm_crf_relation_extraction_biomedical's Introduction

NLP Research

Relation Extraction in Biomedical using BI-LSTM-CRF model + Bert Embedding + Keras + Tensorflow

Slamet Riyanto S.Kom., M.M.S.I.

Dimas Dwi Putra

Architecture

Dictionary .json

{"Negative": 0, "Cause_of_disease": 1, "Treatment_of_disease": 2, "Association": 3}

Train Dataset .txt View Directory

2 Lonicera caerulaea berry$solid tumors$The antioxidant response induced by ######################## extracts in animals bearing experimental ############ . 
1 tobacco$cancer$Targeted smoking prevention and cessation interventions are needed for ###### survivors, especially those diagnosed with a ####### -related ###### . 
0 green tea$pneumonia$OBJECTIVE: We examined the association between ######### consumption and death from ######### in humans. 
...

Test Dataset .txt View Directory

1 coffee$addiction$The consumption of ###### is a self-reinforcing behavior, and caffeine dependence and ######### are common. 
0 coffee$coronary disease$Initial trials showing ###### 's association with ################ and myocardial infarction have been difficult to reproduce and have many confounding variables. 
3 coffee$coronary heart disease$BACKGROUND: For many years, an association between ###### consumption and the risk of ###################### has been suspected.
...

Source Code

Utils
View Directory

- args.py
- att.py
- crf.py
- extract_feature.py
- graph.py
- load_data.py
- modeling.py
- optimization.py
- tokenization.py

Notebook

Visualization

original: green tea#skin papillomas#Inhibitory effect of green tea on the growth of established skin papillomas in mice.
Predict: Treatment_of_disease
sentences status plant disease relation
Public awareness about tobacco -related oral cancer is low at present, and new approaches to this problem should include education in the schools on oral cancer, formulation of legislative action to ban the sale of tobacco near schools and colleges, and imposition of societal "barriers" that would make the nonchewing of tobacco socially more acceptable than chewing it. success detect detect make relation
the mechanism by which magnesium affects digitalis induced arrhythmias was studied in dogs with and without beta receptor success detect detect make relation
these observations indicate that oral administration of green tea i p a polyphenol fraction or i p epigallocatechin gallate inhibited the growth and caused regression established experimentally induced skin papillomas success detect detect make relation
...
Entities precision recall f1-score support processor ram model batch size epochs length embedding Uji excecution time
Negative 0.76 0.78 0.77 118 cpu high 6 8 71/100 512 128 12 5.15.15
Cause Of Disease 0.68 0.76 0.72 37
Treatment Of Diesease 0.86 0.85 0.85 98
Association 0.50 0.12 0.20 8
micro avg 0.78 261
macro avg 0.70 0.63 0.63 261
weighted avg 0.78 0.78 0.78 261
F-1 Scores 78,16%

Requirements

install from requirements.txt

python==3.6
pandas==0.23.4
keras==2.3.1
termcolor==1.1.0
six==1.16.0
tensorflow==1.13.1
numpy==1.16.2
matplotlib==2.2.4
scikit-learn==0.24.2
h5py==2.10.0
git+https://www.github.com/keras-team/keras-contrib.git

create model using keras and tensorflow .hdf5

results/
  uji/.hdf5

Other Content

Websites Prediction

Named Entity Recognition (NER)

Relation Extraction (RE)

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