The Analysis of Research Frontier and Hot Topics about Knowledge Discovery (KD) Based on Mapping Knowledge Domain

This article choosing all the 3987 documents' citation as data sample of Knowledge Discovery(KD), which was published in Web of Science(SCI-EXPANDED, SSCI, A&HCI) from 1986 to2009, confirming the hot research topics and the research fronts by using word frequency analysis and detect key words that their term frequency changed notably, and drawing the knowledge mapping of them by using Citespace: a information visualization software. Hoping it can benefit to the research of Knowledge Discovery(KD).