2026-10-10T15:06:04Z https://www.scidb.cn/oai

10.57760/sciencedb.02062 2026-09-10T10:58:20Z

2026-09-10 Multi-hop QA dataset over COVID-19 Knowledge Graphs doi:10.57760/sciencedb.02062 en We elaborately select sub-graphs that contain topics people are more concerned about during the COVID-19 epidemic. We have done data cleansing on these subgraphs and constructed meaningful multi-hop questions. This dataset covers topics that people are more concerned about and more easily asked about in their daily lives during COVID-19 pandemic. COVID-19; Knowledge graph; Multi-hop question Huifang Du Zhongwen Le Haofen Wang PUBLIC https://creativecommons.org/licenses/by-sa/4.0/ dataset http://www.doi.org/https://doi.org/10.57760/sciencedb.02062 Science Data Bank