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banglamentalBERT Corpuses

Project: Detecting Mental Health and Suicidal Tendencies on Social Media using Multimodal NLP
Institution: BRAC University, Department of CSE
Authors: Md. Nazim Hossain, Kazi Tarif Rahman, Raiseen Jahan Ritu, Ahmad Sameer

This repository contains all the raw, translated, and synthetic datasets used for Domain-Adaptive Pretraining (DAPT) and Task-Adaptive Pretraining (TAPT) in the thesis project.

Datasets Included

  1. angla_dapt_corpus_clean.txt

    • Purpose: Domain-Adaptive Pretraining (DAPT)
    • Contents: 250,154 lines of translated mental health Reddit posts (via NLLB-200-3.3B).
  2. ** rain_augmented_qwen3-32b.xlsx**

    • Purpose: Task-Adaptive Pretraining (TAPT) - Fix-A/Fix-B experiments
    • Contents: 17,131 synthetic and real Bangla mental health posts generated using Qwen3-32B.
  3. ** apt_qwen_data/tapt_corpus_clean.txt**

    • Purpose: Mega-TAPT experiments
    • Contents: 24,699 synthetic Bangla mental health posts.
  4. ** apt_qwen_data/mega_tapt_corpus.txt**

    • Purpose: Mega-TAPT experiments
    • Contents: ~45,000 synthetic Bangla mental health posts.
  5. ** llb_backtranslated_data/train_backtranslated_cleaned.xlsx**

    • Purpose: Data augmentation baseline comparisons
    • Contents: Back-translated variations of the dataset.
  6. dataset.xlsx

    • Purpose: Fine-tuning and evaluation
    • Contents: 4,898 samples, the original annotated depression severity corpus from Kabir et al.

Citation

Part of the thesis: Detecting Mental Health and Suicidal Tendencies on Social Media using Multimodal NLP (2026).

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