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Published 20 hours ago • verified publisher icon Thinkgamer

197页：第一个公式，公式为N(u)，解释说明为N(x)

Open Thinkgamer opened this issue 5 years ago • 0 comments

N(x)表示用户x的评分物品集合 -> N(u)表示用户u的评分物品集合

Thinkgamer avatar Aug 21 '19 02:08 Thinkgamer