A media store server provides customers' digital information devices with a catalog of multimedia content available from servers of multiple vendors. To provide a unified catalog for the store, the multimedia contents are grouped according to descriptive texts. A descriptive text for a multimedia content item or file is obtained from a vendor's catalog, and the descriptive text is standardized to generate a token for that particular multimedia content item. The multimedia content is classified in an existing catalog group corresponding to an already existent token, if the generated token matches an existent token in the catalog of the media store server. A new group for multimedia content is generated and the particular multimedia content is assigned to the new group, if the generated token does not yet exist in the catalog of the multimedia store server.