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README.md

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+---
+license: apache-2.0
+task_categories:
+  - text-classification
+  - text-generation
+language:
+  - en
+tags:
+  - dsm5
+  - depression
+  - reddit
+  - clinical-nlp
+  - rationale
+  - explainability
+pretty_name: ReDSM5
+size_categories:
+  - 1K<n<10K
+configs:
+  - config_name: default
+    data_files:
+      - split: annotations
+        path: "redsm5_annotations.csv"
+      - split: posts
+        path: "redsm5_posts.csv"
+---
+
+# ⚕️💬 ReDSM5: A Reddit Dataset for DSM-5 Depression Detection
+
+> ℹ️ **Looking for a quick preview?**  
+> A fully paraphrased, anonymized sample with 25 entries is [publicly available on the Hugging Face Hub](https://huggingface.co/datasets/irlab-udc/redsm5-sample) — no user agreement required!
+
+## 🚦 Access Conditions
+
+This dataset is gated. To obtain access, please complete the access request form at [ReDSM5 Agreement Form](https://www.irlab.org/ReDSM5_agreement.odt) and submit it via email to [eliseo.bao@udc.es](mailto:eliseo.bao@udc.es). Your request will be reviewed and you’ll receive approval or further instructions by email.
+
+## 📝 Dataset Summary
+
+**ReDSM5** is a corpus of 1,484 Reddit posts, each *sentence-level annotated* for presence or absence of the nine DSM-5 major depressive episode symptoms (or `SPECIAL_CASE` for expert discrimination cases), along with a clinical rationale from a licensed psychologist.
+
+A **public paraphrased sample** is available for inspection and prototyping at [irlab-udc/redsm5-sample](https://huggingface.co/datasets/irlab-udc/redsm5-sample).  
+This sample includes 25 entries, has been completely paraphrased to protect anonymity, and can be accessed without any agreement.
+
+Unlike other datasets, **every annotation** includes:
+- **`sentence_text`**: The relevant sentence from a Reddit post.
+- **`DSM5_symptom`**: One of:
+  - `DEPRESSED_MOOD`
+  - `ANHEDONIA`
+  - `APPETITE_CHANGE`
+  - `SLEEP_ISSUES`
+  - `PSYCHOMOTOR`
+  - `FATIGUE`
+  - `WORTHLESSNESS`
+  - `COGNITIVE_ISSUES`
+  - `SUICIDAL_THOUGHTS`
+  - `SPECIAL_CASE` (for non-DSM-5 clinical/positive discriminations)
+- **`status`**:  
+  - `1` = relevant evidence for the symptom  
+  - `0` = explicit negative (clinician-annotated absence of symptom)
+- **`explanation`**: Short clinical rationale.
+- **`post_id`, `sentence_id`**: For reference and grouping.
+
+There is also a **full post file** with the original post text.
+
+### 📁 Files
+
+- `redsm5_posts.csv`  
+  - Columns: `post_id`, `text` (cleaned full post)
+- `redsm5_annotations.csv`  
+  - Columns: `post_id`, `sentence_id`, `sentence_text`, `DSM5_symptom`, `status`, `explanation`
+
+#### Example annotation row:
+
+| post_id      | sentence_id        | sentence_text                                    | DSM5_symptom   | status | explanation                                                           |
+|--------------|-------------------|--------------------------------------------------|---------------|--------|-----------------------------------------------------------------------|
+| s_3019_239   | s_3019_239_1      | However my sex drive went crazy...               | SPECIAL_CASE   | 1      | The above statement allows us to affirm that the person...            |
+| s_427_110    | s_427_110_1       | I'm feeling pretty proud of myself...            | SPECIAL_CASE   | 1      | The person who writes this post is manifesting positive feelings...   |
+| s_221_12     | s_221_12_5        | I have trouble sleeping every night              | SLEEP_ISSUES   | 1      | This statement shows persistent sleep issues matching DSM-5 criteria. |
+
+## 📊 Dataset Statistics
+
+- **Total posts**: 1,484  
+- **Total number of expert explanations**: 1,547  
+- **Average explanations per post**: 1.04  
+- **Average number of symptoms per post (status=1 only)**: 1.39  
+- **Number of hard negatives (posts with no symptoms, status=1)**: 392  
+- **Average post length (in words)**: 294.7  
+- **Min / Max post length (in words)**: 2 / 6,990  
+
+#### Symptom Distribution (posts with `status=1`):
+
+| Symptom                | Posts tagged |
+|------------------------|-------------:|
+| DEPRESSED_MOOD         | 328          |
+| ANHEDONIA              | 124          |
+| APPETITE_CHANGE        | 44           |
+| SLEEP_ISSUES           | 102          |
+| PSYCHOMOTOR            | 35           |
+| FATIGUE                | 124          |
+| WORTHLESSNESS          | 311          |
+| COGNITIVE_ISSUES       | 59           |
+| SUICIDAL_THOUGHTS      | 165          |
+| **SPECIAL_CASE**       | 92           |
+
+## 📦 File Format
+
+### `redsm5_full_posts.csv`
+| post_id    | text                                                                 |
+|------------|----------------------------------------------------------------------|
+| s_1001_1   | I feel tired every day. I can't concentrate and sleep is a mess...   |
+
+### `redsm5_annotations_long.csv`
+| post_id    | sentence_id      | sentence_text             | DSM5_symptom   | status | explanation                                |
+|------------|------------------|---------------------------|----------------|--------|---------------------------------------------|
+| s_1001_1   | s_1001_1_1       | I feel tired every day.   | FATIGUE        | 1      | Indicates chronic fatigue.                  |
+| s_1001_1   | s_1001_1_3       | I can't concentrate...    | COGNITIVE_ISSUES | 1    | Persistent cognitive issues.                |
+
+## 💡 Notes
+- Each row in `redsm5_annotations_long.csv` is a unique `(post, sentence, symptom)` expert-annotated evidence.
+- For multi-label tasks, group by `post_id`.
+- For post-level text, use `redsm5_full_posts.csv`.
+
+## 📝 Citation
+
+This paper has been accepted as a Resource Paper at **CIKM 2025**. The official conference proceedings will be available soon. In the meantime, you can read the preprint on [arXiv](https://www.arxiv.org/abs/2508.03399):
+
+```bibtex
+@misc{bao2025redsm5,
+  title        = {ReDSM5: A Reddit Dataset for DSM-5 Depression Detection},
+  author       = {Eliseo Bao and Anxo Pérez and Javier Parapar},
+  year         = {2025},
+  eprint       = {2508.03399},
+  archivePrefix= {arXiv},
+  primaryClass = {cs.CL},
+  url          = {https://arxiv.org/abs/2508.03399},
+  note         = {Accepted at CIKM 2025}
+}
+```
+
+## 📬 Contact
+
+For questions, please reach out via email: `eliseo.bao@udc.es`

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