Referential cohesion is the overlap between words, word stems, or concepts from one sentence to another. When sentences and paragraphs have similar words or conceptual ideas, it is easier for the reader to make connections between those ideas. Sometimes, however, low cohesion is desirable if you want the reader to create connections to understand the text.
Semantic Analysis provides measures of semantic overlap between sentences or between paragraphs. This measures how conceptually similar each sentence is to the next sentence. for example: "The field was full of lush, green grass. The horses grazed peacefully. The young children played with kites. The women occasionally looked up, but only occasionally. A warm summer breeze blew and everyone, for once, was almost happy. " The words in the text tend to be thematically related to a pleasant day in an idyllic park scene: green, grass, children, playing, summer, breeze, kites, and happy,
형태론적으로 동일한 명사 중복 비율
형태론적으로 차이가 있는 (대)명사 중복 비율
명사와 내용어 사이의 중복 비율
문장간 명시적 내용어 중복 비율
인접 문장 간 의미적 유사성 정도
전체 문장 간 의미적 유사성 정도
구(given)-신(new) 정보 정도
인접 문단 간 의미성 응집성