README.md

metadata

task_categories:
  - text-generation
language:
  - en
  - si
  - ps
  - ta
  - th
pretty_name: OasisSimp

OasisSimp: An Open-source Asian-English Sentence Simplification Dataset

---

task_categories: - text-generation language: - en - si - ps - ta - th

OasisSimp Dataset (https://oasissimpdataset.github.io/)

Each language has its own folder containing two JSONL files corresponding to valid and test set.

Directory Structure

Folder contains:

OasisSimp-EN/
├── OasisSimp-EN_valid.jsonl
├── OasisSimp-EN_test.jsonl
OasisSimp-PS/
├── OasisSimp-PS_valid.jsonl
├── OasisSimp-PS_test.jsonl
OasisSimp-SI/
├── OasisSimp-SI_valid.jsonl
├── OasisSimp-SI_test.jsonl
OasisSimp-TA/
├── OasisSimp-TA_valid.jsonl
├── OasisSimp-TA_test.jsonl
OasisSimp-TH/
├── OasisSimp-TH_valid.jsonl
├── OasisSimp-TH_test.jsonl

JSONL File Structure

Each line in a JSONL file is a JSON object with the following fields:

Field	Type	Description
id	string	Unique identifier
complex	string	Complex sentence
simple	list	List of simplified versions of the complex sentence

Example

{
  "id": "OasisSimp-EN_valid_0",
  "complex": "And it set a July 2017 deadline for determining whether transgender people could be allowed to enter the military.",
  "simple": [
    "A July 2017 deadline was set to decide on transgender military enlistment.",
    "It set a deadline in July 2017 to decide if transgender people can join the military.",
    "It gave a deadline of July 2017 to decide if transgender people can join the military."
  ]
}

Citation

If you use OasisSimp dataset in your work, please cite our LREC 2026 paper.

@inproceedings{liu-etal-2026-oasissimp,
  title = {{OasisSimp: An Open-source Asian-English Sentence Simplification Dataset}},
  author = {Liu, Hannah and Tian, Muxin and Ali, Iqra and Gao, Haonan and We, Qiaoyiwen and Yang, Blair and Thayasivam, Uthayasanker and Lee, En-Shiun Annie and Nakwijit, Pakawat and Ranathunga, Surangika and Shekhar, Ravi},
  booktitle = {Proceedings of the Fifteenth Biennial Language Resources and Evaluation Conference (LREC 2026)},
  month = {May},
  year = {2026}
}