Open Access
表1
属性三元组示例
| 实体名 | 属性 | 属性值 |
| 北京西站 | 月台数目 | 10 |
| 南京南站 | 月台数目 | 15 |
| 马里兰州 | 总面积 | 32 133 |
| 巨石強森 | 出生地点 | 加州海沃德 |
| 智利 | 国家代码 | CHL |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.