Knowledge management is a hot research area in the field of management studies. Knowledge map can be used as an effective tool for knowledge management and thus play an important role in the area of enterprise applications. Knowledge map is a visual navigation tool, which can make tacit knowledge explicit, thus favoring knowledge sharing and reuse. As the rapid development of knowledge, the characteristics of dynamic can't be indicated properly in the traditional construction methods for knowledge maps, which can't meet the requirements of users more and more for its low navigation ability and...