Abstract:

From the metadata resource integration, retrieval, data mining service, full text access method, this paper makes empirical comparative analysis on the discovery function of“ CNKI SCHOALR”,“Superstar Discovery System”,“Baidu Academic Scholar”, considers that superstar discovery system has obvious advantages in terms of the integration of resources and data mining through data comparison, other knowledge discovery system need further improvement and optimization in order to improve the overall level of knowledge discovery systems.

Key words: knowledge discovery, Superstar Discovery System, CNKI Scholar, Baidu Academic Scholar