SIB-200: A Simple, Inclusive, and Big Evaluation Dataset for Topic Classification in 200+ Languages and Dialects
Written for the Research library (claude-opus-5-5) from the paper text. Original — arxiv.org/pdf/2309.07445
Summary
Multilingual language models now cover hundreds of languages, but most evaluation benchmarks include only a few dozen. Many low-resource languages have no public NLU test data at all. SIB-200 fills this gap with a topic classification benchmark spanning 205 languages and dialects. The authors started from the multi-way parallel Flores-200 corpus, with N'Ko added. Four annotators labelled 2,009 English sentences, and the labels were then carried over to every translated version. After filtering, 1,004 sentences remain across seven topics.
The benchmark was tested in three settings:
- full supervision with models such as XLM-R and Glot-500;
- zero-shot cross-lingual transfer from English, French, Arabic and Chinese;
- prompting GPT-4.
Results show a wide gap between high- and low-resource languages. Scores are weakest for languages unseen in pre-training, Nilotic and Atlantic-Congo languages, and languages of Africa, the Americas, Oceania and South-East Asia. Cross-lingual transfer outperforms LLM prompting for many languages. Because the task is simple and the data is openly licensed, SIB-200 enables broad and inclusive evaluation of multilingual models.
Key points
- Data and labels: The data comes from the Flores-200 DEV and DEVTEST sets. Annotator agreement was moderate (Fleiss Kappa 0.44), and a lead annotator resolved 314 conflicting labels. The final seven labels are science/technology, travel, politics, sports, health, entertainment and geography. A harder 14-label version is also released.
- Splits and license: The data is split 70/10/20 into 701 TRAIN, 99 DEV and 204 TEST sentences, released under CC BY-SA 4.0.
- Zero-shot vs. prompting: GPT-4 falls below 70% accuracy on 132 of 205 languages (64.7%). Zero-shot transfer from an English-trained XLM-R falls below that threshold on only 81 languages (39.3%). On English itself, XLM-R reaches 92.1% and GPT-4 76.6%.
- Domain diversity matters: Glot-500, pre-trained on 500 languages, mostly underperforms XLM-R, which covers about 100. Adding languages without adding text domains does not help.
- MAFT for African languages: Multilingual adaptive fine-tuning with synthetic data produced AfroXLMR-76, which averages 74.1 on African languages versus 68.4 for AfroXLMR. Gains reach +7.9 for Nilotic and +7.4 for Atlantic-Congo languages. Languages whose scripts the tokenizer does not cover, such as N'Ko and Tamazight, saw no improvement.
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Cite
@misc{adelani2023sib,
title = {{SIB-200: A Simple, Inclusive, and Big Evaluation Dataset for Topic Classification in 200+ Languages and Dialects}},
author = {Adelani, David Ifeoluwa and Liu, Hannah and Shen, Xiaoyu and Vassilyev, Nikita and Alabi, Jesujoba O. and Mao, Yanke and Gao, Haonan and Lee, Annie En-Shiun},
year = {2023},
doi = {10.48550/arxiv.2309.07445},
eprint = {2309.07445},
archivePrefix = {arXiv},
url = {https://doi.org/10.48550/arxiv.2309.07445}
}References
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