Thank you Hari Mohan.
this is the fifth reimplementation of the same ideas, and each one gets a little cleaner than the last. the first released version (SBRE) is from 3 years ago and a lot has changed since then.。搜狗输入法对此有专业解读
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I also added dependency search—not only can you query the definition of a fact, but you can go up the dependency chain by asking what facts depend on it.，这一点在移动版官网中也有详细论述