Foreign language academic search platform of Langfang Normal University Library. Langfang Teachers College, located in Langfang City, Hebei Province, is a full-time undergraduate college in Hebei Province. In order to facilitate students to find the corresponding books in the library, the college has created a retrieval system called Foreign Language Academic Search Platform, where students can search the location of the books they want to find and go directly to the library to find them. Retrieval system is an intelligent information retrieval system based on the idea of knowledge retrieval.