dgx-spark-playbooks/nvidia/txt2kg/assets/examples/download_cc_biorxiv_dataset.py
2025-12-02 19:43:52 +00:00

103 lines
3.7 KiB
Python

#!/usr/bin/env python3
#
# SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""
Download and process the marianna13/biorxiv dataset for txt2kg demo.
Filter for Creative Commons licensed papers and create individual txt files.
"""
import os
import re
from pathlib import Path
from datasets import load_dataset
def sanitize_filename(text, max_length=100):
"""Convert text to a safe filename."""
# Remove special characters and replace with underscores
filename = re.sub(r'[^\w\s-]', '', text)
filename = re.sub(r'[-\s]+', '_', filename)
filename = filename.strip('_')
# Truncate if too long
if len(filename) > max_length:
filename = filename[:max_length]
return filename
def main():
print("Loading marianna13/biorxiv dataset...")
# Load the dataset
ds = load_dataset("marianna13/biorxiv")
# Get the train split
train_data = ds['train']
print(f"Total dataset size: {len(train_data)} papers")
# Filter for Creative Commons licensed papers
cc_papers = train_data.filter(lambda x: x['LICENSE'] == 'creative-commons')
print(f"Found {len(cc_papers)} Creative Commons licensed papers ({len(cc_papers)/len(train_data)*100:.1f}%)")
# Take a sample for the demo (full dataset would be too large)
sample_size = min(1000, len(cc_papers)) # Limit to 1000 papers for demo
cc_sample = cc_papers.select(range(sample_size))
print(f"Using sample of {len(cc_sample)} papers for demo")
# Create output directory
output_dir = Path("biorxiv_creative_commons")
output_dir.mkdir(exist_ok=True)
print(f"Creating txt files in {output_dir}/")
# Process each paper
for i, item in enumerate(cc_sample):
# Create filename from title and DOI
title_part = sanitize_filename(item['TITLE'], max_length=50)
doi_part = item['DOI'].replace('/', '_').replace('.', '_')
filename = f"{i+1:03d}_{title_part}_{doi_part}.txt"
# Create file content with full text
content = f"Title: {item['TITLE']}\n"
content += f"DOI: {item['DOI']}\n"
content += f"Year: {item['YEAR']}\n"
content += f"Authors: {'; '.join(item['AUTHORS']) if item['AUTHORS'] else 'N/A'}\n"
content += f"License: {item['LICENSE']}\n"
content += f"\nFull Text:\n{item['TEXT']}\n"
# Write to file
file_path = output_dir / filename
with open(file_path, 'w', encoding='utf-8') as f:
f.write(content)
print(f"Successfully created {len(cc_sample)} txt files in {output_dir}/")
# Show some statistics
years = [item['YEAR'] for item in cc_sample]
year_range = f"{min(years)} - {max(years)}"
print(f"\nDataset Statistics:")
print(f" Year range: {year_range}")
print(f" License: Creative Commons (commercial use allowed)")
print(f" Content: Full paper text (not just abstracts)")
print(f" Average text length: {sum(len(item['TEXT']) for item in cc_sample) // len(cc_sample):,} characters")
if __name__ == "__main__":
main()