Bo Xu, Yong Xu, Jiaqing Liang, Chenhao Xie, Bin Liang, Wanyun Cui, and Yanghua Xiao. CN-DBpedia: A Never-Ending Chinese Knowledge Extraction System. In International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, pp. 428-438. Springer, Cham, 2017.
| 中文名 | 元首制 | |
| 使用国家 | 古罗马 | |
| 外文名称 | Principate | |
| 始于 | 公元前23年 |
| 标签 | 历史机构 |
| 标签 | 古代史 |