Method and device for determining category information corresponding to target field

The invention provides a method and device for determining category information corresponding to a target domain, and the method comprises the steps: recognizing a dependency relationship between segmented words of each target sentence in each text material in the target domain based on a clue text of the target domain, and building a relationship template corresponding to each target sentence, thereby obtaining category information corresponding to all target sentences based on the relationship templates of all target sentences; and determining various dependency relationships corresponding to the target field, and determining each dependency relationship as corresponding category information. According to the method provided by the invention, manual determination of the category information of the field is avoided, and the accuracy of the determined category information can be effectively improved. Meanwhile, the accuracy of the extracted first text and second text can be further improved, so that the accur