文学 计算语言学 释 text data mining 文本数据挖掘 从大规模真实文本数据中发现或推出新的信息，找出文本数据集合的模型，发现文本数据中所隐含的趋势，从文本数据的噪声中分离出有用的信号。
数据库 特种数据库 释文 text data mining 文本数据挖掘
- perfect graph
- perfect graph conjecture
- perfect graph theorem
- perfect group
- perfect ideal
- perfect image
- perfect imaging
- perfect inelastic collision
- perfect information
- perfect inverse image
- perfection
- perfectionism
- perfect irreducible mapping
- perfect isometry
- perfective maintenance
- perfect kernel
- perfectly diffusing sphere
- perfectly diffusion
- perfectly normal space
- perfectly separable space
- perfectly weighted tree
- perfect magic cube
- perfect magic square
- perfect mapping
- perfect mapping; proper mapping