Recommendation System, Method and Non-Transitory Computer Readable Storage Medium for Storing Thereof

摘要

A recommendation method includes providing an ontology database, in which the ontology database includes a plurality of entities, and the entities are arranged in an ontology hierarchy structure with N hierarchy levels; storing a plurality of j^th level user data respectively corresponding to a plurality of users; generating a plurality of k^th level user data according to the j^th level user data respectively; clustering the k^th level user data; and recommending the entities in the ontology database to the users according to a clustering result.