translation.en: EB: So I want to just point out here that every node is a talk, they're linked if they share similar ideas, and that comes from a machine reading of entire talk transcripts, and then all these topics that pop out, they're not from tags and keywords.
translation.zh: EB:我只想说明一下，每个节点就是一个演讲， 如果他们内容类似，就会连在一起 这一些都由一个机器去读取 所有演讲的字幕文本， 所有这些弹出来的标题， 他们不是取自标签或者关键字。