BLADE: Bangla Application and Dialogue Generation Dataset

This repository contains the BLADE (BangLa Application and DialoguE generation) dataset introduced in the paper Polite on the Surface, Broken in Practice: A Curated Dataset for Fixing Generation and Register Failures in Low-Resource Bangla Text Generation.

GitHub Repository: Bangla_Application_LLM

Dataset Summary

BLADE (BangLa Application and DialoguE generation) is a culturally aligned instruction-tuning dataset comprising 4,196 meticulously curated interaction pairs in Bengali. It is designed to help train and evaluate language models for generating formal correspondence (such as applications and letters) and dialogues in Bengali, addressing the pragmatic gap and honorific inconsistencies in low-resource Bangla text generation.

Dataset at a Glance

• Total Samples: 4,196 prompt-response pairs
• Unique Topics: 2,008 distinct subjects covering a wide variety of formal letters
• Language: Bengali/Bangla
• Average Prompt Length: 8 tokens
• Average Response Length: 1,340 tokens
• Maximum Sequence Length: 1,942 tokens

The dataset covers a diverse range of topics and recipients, including school headmasters, company managers, and government officials, making it a valuable resource for developing language models capable of understanding the nuances of formal Bengali writing.

Sample Usage

You can load this dataset using the Hugging Face datasets library:

from datasets import load_dataset 

ds = load_dataset("mdshuvo25/BLADE")

Citation

If you use this dataset or paper, please cite:

@misc{shuvo2026politesurfacebrokenpractice,
      title={Polite on the Surface, Broken in Practice: A Curated Dataset for Fixing Generation and Register Failures in Low-Resource Bangla Text Generation}, 
      author={Md. Asaduzzaman Shuvo and Mahedi Hasan and Md. Tashin Parvez and Azizul Haque Noman and Md. Shafayet Hossain Ovi},
      year={2026},
      eprint={2605.22487},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2605.22487}, 
}