Duplicate from Kencorpus/KenPOS

Co-authored-by: Everlyn Asiko Chimoto <Everlyn@users.noreply.huggingface.co>

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README.md

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+---
+language:
+  - luo
+  - bxk
+  - lri
+  - rag
+license: cc-by-4.0
+task_categories:
+  - token-classification
+tags:
+  - kenyan-languages
+  - dholuo
+  - lubukusu
+  - lumarachi
+  - lulogooli
+  - pos-tagging
+  - low-resource-languages
+  - african-languages
+pretty_name: KenPOS
+size_categories:
+  - 100K<n<1M
+configs:
+- config_name: dho
+  data_files: "dho/*.parquet"
+- config_name: lbk
+  data_files: "lbk/*.parquet"
+- config_name: lch
+  data_files: "lch/*.parquet"
+- config_name: llg
+  data_files: "llg/*.parquet"
+---
+
+# KenPOS: Kenyan Languages Part-of-Speech Tagged Dataset
+
+## Dataset Description
+
+**KenPOS** is a part-of-speech (POS) tagged corpus for Kenyan languages, featuring **156,994 tokens** across four languages. The dataset provides manually annotated POS tags for low-resource Kenyan languages, enabling NLP research and applications.
+
+## Dataset Statistics
+
+| Language | Code | Tokens | Sentences | Files | Unique POS Tags |
+|----------|------|--------|-----------|-------|-----------------|
+| Dholuo   | dho  | 54,712 | 70        | 168   | 114             |
+| Lubukusu | lbk  | 51,900 | 154       | 62    | 97              |
+| Lumarachi| lch  | 25,917 | 27        | 212   | 78              |
+| Lulogooli| llg  | 24,465 | 290       | 121   | 75              |
+| **Total**|      |**156,994**|**541**|**563**|                 |
+
+## Languages & Codes
+
+| Language / Dialect  | Code | Family / Notes          |
+|---------------------|------|-------------------------|
+| Dholuo (Luo)        | dho  | Nilotic (western Kenya) |
+| Lubukusu (Bukusu)   | lbk  | Bantu, Luhya dialect    |
+| Lumarachi (Marachi) | lch  | Bantu, Luhya dialect    |
+| Lulogooli (Logooli) | llg  | Bantu, Luhya dialect    |
+
+## Dataset Format
+
+The dataset is distributed as **Parquet files** for optimal performance and compatibility:
+
+- **Format**: Apache Parquet (columnar storage)
+- **Encoding**: UTF-8
+- **File naming**: `{language}/train.parquet`
+- **Compatibility**: Works with `datasets` 4.0.0+ without custom loading scripts
+
+---
+
+## Data Fields
+
+Each record in the dataset contains:
+
+- **token**: `string` - The word or token
+- **pos_tag**: `string` - Part-of-speech tag (e.g., NN, V, ADJ, PUNCT)
+- **sentence_id**: `int` - Unique identifier for the sentence
+- **position**: `int` - Position of the token within the sentence (0-indexed)
+- **filename**: `string` - Source filename from which the token was extracted
+
+### Example Record
+
+```python
+{
+  'token': 'Kezia',
+  'pos_tag': 'NN',
+  'sentence_id': 0,
+  'position': 0,
+  'filename': '4411_dho_pos.csv'
+}
+```
+
+---
+
+## Usage
+
+### Loading with 🤗 Datasets
+
+**Compatible with datasets 4.0.0+** (No `trust_remote_code` needed!)
+
+```python
+from datasets import load_dataset
+
+# Load Dholuo POS dataset
+dho = load_dataset("Kencorpus/KenPOS", "dho")
+
+# Load Lubukusu POS dataset
+lbk = load_dataset("Kencorpus/KenPOS", "lbk")
+
+# Load Lumarachi POS dataset
+lch = load_dataset("Kencorpus/KenPOS", "lch")
+
+# Load Lulogooli POS dataset
+llg = load_dataset("Kencorpus/KenPOS", "llg")
+
+# Access the data
+print(dho['train'][0])
+# Output: {'token': 'Kezia', 'pos_tag': 'NN', 'sentence_id': 0, 'position': 0, 'filename': '4411_dho_pos.csv'}
+```
+
+### Reconstructing Sentences
+
+```python
+from datasets import load_dataset
+import pandas as pd
+
+# Load dataset
+dho = load_dataset("Kencorpus/KenPOS", "dho")
+df = pd.DataFrame(dho['train'])
+
+# Get first sentence
+sentence_0 = df[df['sentence_id'] == 0].sort_values('position')
+print(' '.join(sentence_0['token'].tolist()))
+```
+
+### Analyzing POS Tags
+
+```python
+from datasets import load_dataset
+import pandas as pd
+
+# Load dataset
+dho = load_dataset("Kencorpus/KenPOS", "dho")
+df = pd.DataFrame(dho['train'])
+
+# Count POS tag frequencies
+pos_counts = df['pos_tag'].value_counts()
+print(pos_counts.head(10))
+```
+
+---
+
+## POS Tag Categories
+
+The dataset uses a variety of POS tags including:
+
+- **NN** - Noun
+- **V** - Verb
+- **ADJ/Adj.** - Adjective
+- **ADV/Adv** - Adverb
+- **PRON** - Pronoun
+- **ADP** - Adposition (preposition/postposition)
+- **DET/Det.** - Determiner
+- **CONJ/Conj.** - Conjunction
+- **NUM** - Numeral
+- **PUNCT/PUNC** - Punctuation
+- And many more fine-grained categories
+
+**Note**: Tag naming conventions may vary slightly across files (e.g., PUNCT vs PUNC, ADJ vs Adj.).
+
+---
+
+## Dataset Curators
+
+- **Florence Indede** (Maseno University)
+- **Owen McOnyango** (Maseno University)
+- **Lilian D.A. Wanzare** (Maseno University)
+- **Barack Wanjawa** (University of Nairobi)
+- **Edward Ombui** (Africa Nazarene University)
+- **Lawrence Muchemi** (University of Nairobi)
+
+---
+
+## Citation
+
+If you use this dataset in your research, please cite:
+
+```bibtex
+@article{wanjawa2022kencorpus,
+  title={Kencorpus: A Kenyan Language Corpus of Swahili, Dholuo and Luhya for Natural Language Processing Tasks},
+  author={Wanjawa, Barack W. and Wanzare, Lilian D. and Indede, Florence and McOnyango, Owen and Ombui, Edward and Muchemi, Lawrence},
+  journal={arXiv preprint arXiv:2208.12081},
+  year={2022}
+}
+```
+
+---
+
+## Links
+
+- **Research Paper**: https://arxiv.org/abs/2208.12081
+- **Dataverse**: https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/KLCKL5
+- **ResearchGate**: https://www.researchgate.net/publication/371767223
+- **Semantic Scholar**: https://www.semanticscholar.org/paper/8cf70c5cd8b195ed7a399ea2cdc0b0e8f08c61ce
+
+---
+
+## License
+
+This dataset is licensed under **CC-BY-4.0**.
+
+---
+
+## Acknowledgments
+
+This dataset is part of the **Kencorpus** project, which aims to create NLP resources for low-resource Kenyan languages.

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