A Review of User Profile Research at Home and Abroad
[Purpose/significance]In the context of the widespread application of big data,user profile research and its applica-tions have also emerged.The construction of user profile is also an important means to improve operational efficiency in multi fields.[Method/process]The paper summarizes the connotations of user profile both domestically and internationally;summarizes and analyze four methods for constructing user profile:user profile construction method based on design and thinking,ontology and concepts,themes and topics,interests and preferences;summarizes the application status of user profile in four fields:healthcare,e-commerce,tourism and libraries.[Result/conclusion]There is still a long way to go in the multi domain and comprehensive application of user profile.The construction method of User Persona also needs to be updated and improved.