参考：
covid_qa_deepset
使用以下命令在 TFDS 中加载此数据集：
ds = tfds.load('huggingface:covid_qa_deepset/covid_qa_deepset')
- 说明：
COVID-QA is a Question Answering dataset consisting of 2,019 question/answer pairs annotated by volunteer biomedical experts on scientific articles related to COVID-19.
- 许可：Apache License 2.0
- 版本：1.0.0
- 拆分：
| 拆分 | 样本 |
|---|---|
'train' |
2019 |
- 特征：
{
"document_id": {
"dtype": "int32",
"id": null,
"_type": "Value"
},
"context": {
"dtype": "string",
"id": null,
"_type": "Value"
},
"question": {
"dtype": "string",
"id": null,
"_type": "Value"
},
"is_impossible": {
"dtype": "bool",
"id": null,
"_type": "Value"
},
"id": {
"dtype": "int32",
"id": null,
"_type": "Value"
},
"answers": {
"feature": {
"text": {
"dtype": "string",
"id": null,
"_type": "Value"
},
"answer_start": {
"dtype": "int32",
"id": null,
"_type": "Value"
}
},
"length": -1,
"id": null,
"_type": "Sequence"
}
}