Method for reconfiguration of database, recording medium, and reconfiguration device

A method for reconfiguration of a database, the method includes extracting a plurality of entity candidates based on a plurality of attribute names and first information about a relation degree between the attribute name and the entity, first identifying a plurality of entity candidate groups in which each is comprised of extracted the plurality of entity candidates and has a correspondence relation with all the attribute names and the number of the entity candidates is minimum, second identifying the entity candidate group, in which a total of relation degrees between the entities in the entity candidate group is maximum, based on second information about the relation degree between the entities, and assigning each of the plurality of attribute names to either one of the plurality of entity candidates so as to have the correspondence relation of the attribute name and the entity candidate based on the first information.