For more information, refer to the following papers:
- Fine-tune BERT for Extractive Summarization by Yang Liu, available at https://arxiv.org/pdf/1903.10318.pdf
- Text Summarization with pre-trained Encoders by Yang Liu and Mirella Lapata, available at https://arxiv.org/pdf/1908.08345.pdf
- ROUGE: A Package for Automatic Evaluation of Summaries by Chin-Yew Lin, available at https://www.aclweb.org/anthology/W04-1013.pdf