说明：  知识图谱概括 包括第一讲知识图谱、第二讲知识表示和知识建模、第三讲知识抽取与挖掘、第四讲知识储备等等
(The summary of knowledge atlas includes the first lecture on knowledge atlas, the second lecture on knowledge representation and knowledge modeling, the third lecture on knowledge extraction and mining, the Fourth Lecture on knowledge reserve and so on.)