[KongchangAI]
Unverified50% confidenceFactExact time

原始word2vec需要在整个词汇表上计算softmax归一化,计算复杂度为O(V),负采样将问题转化为二分类以降低计算量

1
Sources
50%
Confidence
Long-term
Relevance
8/13/2026
First Seen

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