In information retrieval or resource between user query and return results reflects recommendation systems, matching degree the user satisfaction. Genre is also another way except content to enhance the user search experience. This paper gives the basic concept of genre in the information space and uses vector to define genre. And then we gives the genre intertextuality intrinsic definition by measuring generic intertextuality with vector distance. In addition, according to the discourse in the co-occurrence probability of process of information processing, the external definition of generic i...
