An electronic device includes a memory; and a processor configured to: store metadata received from a plurality of data sources, respectively, in the memory; obtain first information corresponding to a preset attribute from among attribute information comprised in first metadata received from a first data source from among the plurality of data sources; obtain second information corresponding to the preset attribute from among attribute information comprised in second metadata received from a second data source; and map, based on the first metadata and the second metadata being identified as metadata on a content based on a similarity between the first information and the second information, an integrated metadata generated based on the first metadata and the second metadata to the content and store the integrated metadata generated based on the first metadata and the second metadata in the memory.