Abstract:

Knowledge map whose concept needs to be clarified is going through the stage from explicit knowledge map to tacit knowledge map. Based on fully discussing the concepts, such as explicit knowledge, tacit knowledge, knowledge maps, and classifying knowledge map, and creatively putting forward Tacit Knowledge Map, the article discussed the key factors of building knowledge map(finding relations), the carriers of the relationships among knowledge subjects (Co_author, Citation identity, Academic blog), and techniques and methods of building tacit knowledge map(Social network analysis, SNA).

Key words: Knowledge map, Explicit knowledge map, Tacit knowledge map, Research progress