传统Matching技术

User-item Semantic Gap
1.Features are used to represent a user and an item may be totally different.
2.Even when they partially overlap in features, it is insensible to conduct direct matching.
3.Order of words
Term level matching
corpus
document
TFIDF
BM25: a revised version of TFIDF vectors
Matching with translation model
SVD
SVD++

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求个付费实习岗位:这种就是吃满时代红利又没啥技术水平,只能靠压力学生彰显优越感的老登,别太在意了
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