Knowledge Graph, Education Big Data, Data Processing, Big Data, BILSTM
With the advent of the computer age, education has also entered the development path of informatization and intelligence, and education is a national plan. Wisdom education has attracted more and more attention. The knowledge graph in the field of education is the cornerstone of wisdom education, and the intelligence of education cannot be separated from the knowledge graph of education. Taking the construction of educational knowledge graph as the goal, this paper puts forward the construction method of educational knowledge graph with multi-source data from the technologies of data acquisition, data processing, entity extraction, entity connection and integration. The construction of educational knowledge graph is a key step of educational informatization and the basic work of educational intelligence.