We consider the method of texts comparison in Russian in the subtask of semantic proximity determination. It is performed a review of existing methods of comparison. It is proposed a method of determination of similarity degree between textual passages within a semantic class. Existing methods are compared with the proposed method and a comparison made by people, in an experiment, which shows the suitability of the proposed method.

Keywords: textual similarity, semantics classes, comparison of texts, semantic schemes representation, textual passages