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sc/03_README.md

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+Great — here’s exactly **where to put your README.md** so that Hugging Face uses it as your **dataset card**.
+
+---
+
+# 📌 Where to put `README.md` for Hugging Face Datasets
+
+Hugging Face treats the **root-level `README.md`** of your dataset repository as the **Dataset Card**.
+
+This means:
+
+### ✅ **Place `README.md` in the root directory of your LDData folder**, e.g.:
+
+```
+LDData/
+├── README.md      ← put it here
+├── generating-vectors/
+├── generating-matrices/
+├── examples/
+├── some-file.txt
+└── upload.py
+```
+
+Your local folder should look like the above before running:
+
+```bash
+python upload.py --repo-id QMCSoftware/LDData
+```
+
+The `upload_folder` API automatically uploads that file as:
+
+```
+https://huggingface.co/datasets/QMCSoftware/LDData/blob/main/README.md
+```
+
+…which becomes the dataset’s **front-page description**.
+
+---
+
+# What if you already have a README.md?
+
+Perfect — the existing one can be **used as the dataset card**, or I can help you **rewrite it in HF Dataset Card format** with recommended sections:
+
+### **Hugging Face Dataset Card Template**
+
+I can create a polished `README.md` using the structure:
+
+* Title + Summary
+* Dataset Description
+* Motivation & Citation
+* Data Structure
+* File Format Details
+* How to Load with `datasets`
+* Links to your paper (ArXiv 2502.14256)
+* Benchmarks or usage examples
+* License
+* Acknowledgements
+
+Similar to:
+
+* Meta Omnilingual ASR Corpus
+* NVIDIA PhysicalAI
+* Moondream RefCOCO-m
+
+📌 Just say:
+
+> “Generate a dataset card README.md for LDData.”
+
+…and I’ll do the whole draft for you.
+
+---
+
+If you want, I can generate:
+
+### ✔️ A polished dataset card
+
+### ✔️ A lightweight minimal one
+
+### ✔️ Or a fully detailed professional one
+
+Which style do you want?