Identification model training method and device, and identification method and device

The invention discloses a training method, a recognition method and a device of a recognition model, which are used for solving the problem that the recognition of the relationship between entities of a text is inaccurate. According to the scheme, the method comprises the steps that multiple sets of sample data are obtained, the sample data comprise texts, annotation relation labels of the texts, feature vectors corresponding to the texts and annotation classification labels of the feature vectors, the annotation classification labels are used for representing whether the texts contain entities or not, and the annotation relation labels are used for representing the relations between the entities in the texts; and training the initial recognition model according to the annotation relation label, the feature vector and the annotation classification label to obtain a recognition model. According to the scheme provided by the embodiment of the invention, the model training complexity can be reduced, and the trai