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Pytorch re-implementation of R-BERT model

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A Pytorch Implementation of R-BERT relation classification model

PWC PWC

This is an unofficial pytorch implementation of R-BERT model described paper Enriching Pre-trained Language Model with Entity Information for Relation Classification.

In addition to the SemEval 2010 dataset tested in the original paper, I aslo test implementation on the more recent TACRED dataset

Requirements:

Install

$ https://github.com/mickeystroller/R-BERT
$ cd R-BERT

Train

SemEval-2010

The SemEval-2010 dataset is already included in this repo and you can directly run:

CUDA_VISIBLE_DEVICES=0 python r_bert.py --config config.ini

TACRED

You need to first download TACRED dataset from LDC, which due to the license issue I cannot put in this repo. Then, you can directly run:

CUDA_VISIBLE_DEVICES=0 python r_bert.py --config config_tacred.ini

Eval

SemEval-2010

We use the official script for SemEval 2010 task-8

$ cd eval
$ bash test.sh
$ cat res.txt

TACRED

First, we generate prediction file tac_res.txt

$ python eval_tacred.py

You may change test file/model path in the eval_tacred.py file

Then, we use the official scoring script for TACRED dataset

$ python ./eval/score.py -gold_file <TACRED_DIR/data/gold/test.gold> -pred_file ./eval/tac_res.txt

Results

SemEval-2010

Below is the Macro-F1 score

Model Original Paper Ours
BERT-uncased-base ---- 88.40
BERT-uncased-large 89.25 90.16

TACRED

Below is the evaluation result

Model Precision (Micro) Recall (Micro) F1 (Micro)
BERT-uncased-base 72.99 62.50 67.34
BERT-cased-base 71.27 64.84 67.91
BERT-uncased-large 72.91 66.20 69.39
BERT-cased-large 70.86 65.96 68.32

Reference

  1. https://github.com/wang-h/bert-relation-classification

  2. Enriching Pre-trained Language Model with Entity Information for Relation Classification.

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