理学 主题模型 释 latent semantic analysis; LSA 潜在语义分析 将词和文档从稀疏的高维词表(vocabulary)空间映射到一个低维的潜在语义空间(latent semantic space)上。
人工智能 计算语言学 释文 latent semantic analysis 潜在语义分析
- unilaterally continuous
- unilateral preparation
- unilateral problem
- unilateral promise
- unilateral shift
- unilateral shift operator
- unilateral spatial neglect
- unilateral surface
- unilateral transform
- unilateral Z-transform
- unilayer
- unilineal evolution
- unilinear evolution
- unilluminated hemisphere
- unilocular fat
- unilocular sporangium
- uni-male group
- unimodal
- unimodal distribution
- unimodal distribution function
- unimodal frequency curve
- unimodal function
- unimodality
- unimodality of a sequence
- unimodality problem