Hi,

You can find the original dictionary at the following link

https://raw.githubusercontent.com/fxsjy/jieba/master/jieba/dict.txt

You can use your own custom dictionary as well as long as it follows the following format:

创新办 3 i

云计算 5

凱特琳 nz

One word per line separated by space. The order is (word, word frequency, POS tag)

It is based on computation and does not really learn if you are talking about machine learninig.