Add README with dataset card

README.md

@@ -1,37 +1,110 @@
 ---
-dataset_info:
-  features:
-  - name: sent_id
-    dtype: string
-  - name: text
-    dtype: string
-  - name: tokens
-    list: string
-  - name: lemmas
-    list: string
-  - name: upos
-    list: string
-  - name: xpos
-    list: string
-  - name: feats
-    list: string
-  - name: head
-    list: string
-  - name: deprel
-    list: string
-  - name: deps
-    list: string
-  - name: misc
-    list: string
-  splits:
-  - name: train
-    num_bytes: 16653596
-    num_examples: 10000
-  download_size: 1667378
-  dataset_size: 16653596
-configs:
-- config_name: default
-  data_files:
-  - split: train
-    path: data/train-*
+license: cc-by-sa-4.0
+task_categories:
+  - token-classification
+task_ids:
+  - parsing
+  - part-of-speech
+  - lemmatization
+language:
+  - vi
+annotations_creators:
+  - machine-generated
+language_creators:
+  - found
+multilinguality:
+  - monolingual
+source_datasets:
+  - undertheseanlp/UTS_VLC
+size_categories:
+  - 10K<n<100K
+tags:
+  - universal-dependencies
+  - vietnamese
+  - nlp
+  - dependency-parsing
+  - pos-tagging
 ---
+
+# UDD-1: Universal Dependency Dataset for Vietnamese
+
+## Dataset Description
+
+Vietnamese Universal Dependency dataset created by Underthesea NLP. This dataset follows the [Universal Dependencies](https://universaldependencies.org/) annotation guidelines.
+
+### Dataset Summary
+
+- **Language:** Vietnamese (vi)
+- **Version:** 1.0
+- **Domain:** ⚖️ Legal (Laws)
+- **Sentences:** 10,000
+- **Tokens:** 230,709
+- **Source:** Vietnamese Legal Corpus (UTS_VLC)
+- **Annotation:** Machine-generated using Underthesea NLP toolkit
+
+### Statistics
+
+| Metric | Value |
+|--------|-------|
+| Sentences | 10,000 |
+| Tokens | 230,709 |
+| Avg sentence length | 23.07 |
+| Min sentence length | 3 |
+| Max sentence length | 84 |
+
+#### UPOS Distribution
+
+| Tag | Count | Percent |
+|-----|------:|--------:|
+| NOUN | 76,882 | 33.32% |
+| VERB | 59,621 | 25.84% |
+| PUNCT | 26,066 | 11.30% |
+| ADP | 19,713 | 8.54% |
+| AUX | 9,812 | 4.25% |
+| CCONJ | 9,810 | 4.25% |
+| ADJ | 7,974 | 3.46% |
+| NUM | 6,966 | 3.02% |
+| ADV | 5,109 | 2.21% |
+| PRON | 3,952 | 1.71% |
+| DET | 2,931 | 1.27% |
+| PROPN | 1,378 | 0.60% |
+| PART | 307 | 0.13% |
+| X | 188 | 0.08% |
+
+#### Top Dependency Relations
+
+| Relation | Count | Percent |
+|----------|------:|--------:|
+| dep | 194,646 | 84.37% |
+| punct | 26,066 | 11.30% |
+| root | 9,997 | 4.33% |
+
+## Usage
+
+```python
+from datasets import load_dataset
+
+dataset = load_dataset("undertheseanlp/UDD-1")
+print(dataset["train"][0])
+```
+
+## Citation
+
+```bibtex
+@misc{underthesea_udd1_2026,
+  title = {UDD-1: Universal Dependency Dataset for Vietnamese},
+  author = {Underthesea NLP},
+  year = {2026},
+  publisher = {Hugging Face},
+  url = {https://huggingface.co/datasets/undertheseanlp/UDD-1}
+}
+```
+
+## License
+
+This dataset is licensed under [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/).
+
+## Contact
+
+- GitHub: [undertheseanlp/underthesea](https://github.com/undertheseanlp/underthesea)
+- Email: anhv.ict91@gmail.com