Datasets:
Tasks:
Text Generation
Sub-tasks:
language-modeling
Languages:
German
Size:
10K<n<100K
ArXiv:
Tags:
question-generation
License:
File size: 5,137 Bytes
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"""
gsplit -l 1500 -d --additional-suffix=.jsonl test.jsonl test
gsplit -l 1500 -d --additional-suffix=.jsonl train.jsonl train
gsplit -l 1500 -d --additional-suffix=.jsonl validation.jsonl validation
rm -rf test.jsonl
rm -rf train.jsonl
rm -rf validation.jsonl
"""
import json
import os
import re
import spacy
from random import seed, shuffle
from tqdm import tqdm
from datasets import load_dataset
DATASET_NAME = "deepset/germanquad"
DATASET_TYPES = None
HIGHLIGHT_TOKEN = '<hl>'
GENERATE_TEST_SPLIT = True
SPLITTER = spacy.load('de_core_news_sm')
def get_sentence(document: str): return [str(sent) for sent in SPLITTER(document).sents]
def process_single_data(question: str, paragraph: str, answer: str):
""" Convert single raw json data into QG format """
example = {'question': question, 'paragraph': paragraph, 'answer': answer}
start = example['paragraph'].find(example['answer'])
end = start + len(answer)
assert paragraph[start:end] == answer
# get sentence
before_tmp = get_sentence(example['paragraph'][:start])
if len(before_tmp) == 0:
before = ''
before_sentence = ''
else:
if before_tmp[-1].endswith('.'):
before = ' '.join(before_tmp)
before_sentence = ''
else:
before = ' '.join(before_tmp[:-1])
before_sentence = before_tmp[-1]
before_sentence = before_sentence if before_sentence.endswith(' ') else f'{before_sentence} '
after_tmp = get_sentence(example['paragraph'][start + len(example['answer']):])
if len(after_tmp) == 0:
after = ''
after_sentence = ''
else:
after = ' '.join(after_tmp[1:])
after_sentence = after_tmp[0]
after_sentence = after_sentence if after_sentence.startswith(' ') else f' {after_sentence}'
example['sentence'] = f"{before_sentence}{example['answer']}{after_sentence}"
# get paragraph_sentence
before = '' if before == '' else f'{before} '
after = '' if after == '' else f' {after}'
source_text = '{0}{1} {2} {1}{3}'.format(before, HIGHLIGHT_TOKEN, example['sentence'], after)
example['paragraph_sentence'] = re.sub(r'\s+', ' ', source_text)
# get paragraph_answer
source_text = '{0}{1} {2} {1}{3}'.format(
example['paragraph'][:start], HIGHLIGHT_TOKEN, example['answer'],
example['paragraph'][start + len(example['answer']):])
example['paragraph_answer'] = re.sub(r'\s+', ' ', source_text)
# get sentence_answer
if len(before_tmp) == 0 or before_tmp[-1].endswith('.'):
before = ''
else:
before = before_tmp[-1] if before_tmp[-1].endswith(' ') else f'{before_tmp[-1]} '
if len(after_tmp) == 0:
after = ''
else:
after = after_tmp[0] if after_tmp[0].startswith(' ') else f' {after_tmp[0]}'
source_text = '{0}{1} {2} {1}{3}'.format(before, HIGHLIGHT_TOKEN, example['answer'], after)
example['sentence_answer'] = re.sub(r'\s+', ' ', source_text)
return example
if __name__ == '__main__':
output = './data/processed'
os.makedirs(output, exist_ok=True)
if DATASET_TYPES is not None:
dataset = load_dataset(DATASET_NAME, DATASET_TYPES)
else:
dataset = load_dataset(DATASET_NAME)
for _split in dataset.keys():
tmp_dataset = dataset[_split]
with open(f'{output}/{_split}.jsonl', 'w') as f:
for single_data in tqdm(tmp_dataset):
question_str = single_data['question']
paragraph_str = single_data['context']
answer_str = single_data['answers']['text']
if type(answer_str) == list:
answer_str = answer_str[0]
assert type(answer_str) is str, answer_str
assert type(question_str) is str, question_str
assert type(paragraph_str) is str, paragraph_str
tmp_data = process_single_data(question=question_str, paragraph=paragraph_str, answer=answer_str)
tmp_data['paragraph_id'] = single_data['id']
f.write(json.dumps(tmp_data) + '\n')
if GENERATE_TEST_SPLIT:
# randomly sample for test set
with open(f'{output}/train.jsonl') as f:
lines_train = [json.loads(i) for i in f.read().split('\n') if len(i) > 0]
with open(f'{output}/test.jsonl') as f:
size = len([i for i in f.read().split('\n') if len(i) > 0])
paragraph_ids = list(set([i['paragraph_id'] for i in lines_train]))
data_train = {p: [i for i in lines_train if i['paragraph_id'] == p] for p in paragraph_ids}
seed(0)
shuffle(paragraph_ids)
data_test = []
data_train_new = []
for i in paragraph_ids:
if len(data_test) < size:
data_test += data_train[i]
else:
data_train_new += data_train[i]
with open(f'{output}/train.jsonl', 'w') as f:
f.write('\n'.join([json.dumps(i) for i in data_train_new]))
with open(f'{output}/validation.jsonl', 'w') as f:
f.write('\n'.join([json.dumps(i) for i in data_test]))
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