- 语义学 yǔyìxué semanticsthe study of meaning in language, including the interpretation, development, and relationships of words and linguistic units
- 语义分析 yǔyìfēnxī semantic analysissemantic analysis; the study or process of extracting meaning from language
- 语义分类 yǔyìfēnlèi semantic categorizationThe process of grouping words or concepts based on their meaning
- 语义空间 yǔyìkōngjiān semantic spaceIn linguistics and information theory, the conceptual or mathematical space where the meanings of words and phrases are represented as positions.