基于公式描述结构和词嵌入的科技文档检索方法*

宰新宇,田学东

Retrieving Scientific Documents with Formula Description Structure and Word Embedding

Xinyu Zai,Xuedong Tian

表2 表达式的部分检索结果

Table 2 Partial Search Results of Expression

EXPID	EXP	FileName(html)
57113	$p (x μσ) = \frac{1}{σ \sqrt{2 π}} e^{- \frac{{(x - μ)}^{2}}{2 σ^{2}}}$	Computer stereo vision
127297	$P_{G} (Z) = \frac{1}{σ \sqrt{2 π}} e^{- \frac{{(x - μ)}^{2}}{2 σ^{2}}}$	Gaussian noise
206443	$p (x \| μσ) = \frac{1}{σ \sqrt{2 π}} e^{- \frac{{(x - μ)}^{2}}{2 σ^{2}}}$	Maximum entropy probability distribution
232616	$f (x \| μ, σ) = \frac{1}{σ \sqrt{2 π}} e^{- \frac{{(x - μ)}^{2}}{2 σ^{2}}}$	Normal distribution
79135	$g (x) = \frac{1}{\sqrt{2 π σ^{2}}} e^{- \frac{{(x - μ)}^{2}}{2 σ^{2}}}$	Differential entropy