An integrated knowledge base construction system according to the present invention comprises: an individual knowledge base construction module for converting external data received from a plurality of data servers, respectively, so as to generate a plurality of internal knowledge data; a knowledge base integration module for integrating the plurality of knowledge data so as to generate integrated knowledge data; and a knowledge base management module for periodically collecting update data, reflecting newly collected update data into pre-stored internal data so as to update the internal data, and performing an operation of reflecting the internal data into the integrated knowledge data, wherein the operation includes an integrated identifier conversion operation for the internal data, a data increasing operation on the basis of the internal data, and a verification operation for the internal data.;COPYRIGHT KIPO 2020
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