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Please predict whether this patent is acceptable.PATENT ABSTRACT: A method for conducting classification model training includes: acquiring sample feature vectors of a plurality of users according to at least one feature set for each of the users, wherein the at least one feature set for a user is determined based on at least one sample message of the user; determining gender identifiers of the users according to the sample feature vectors; and conducting training based on the sample feature vectors and the gender identifiers corresponding to the sample feature vectors to construct a gender classification model.