Semantic orientation calculation of words with different part of speech

With the rapid development of Internet, the network gradually changes from simple static information carrier into platform on which people express their views and show personality. Faced with such a sea of emotional information-rich text, it is urgent to find method of a quick orientation calculation on the large-scale text. Orientation calculation of words is the basis of orientation calculation on the large-scale text. Aiming at the problem that is orientation calculation of words relies mainly upon benchmark words, the paper builds dynamic benchmark set in accordance with part of speech of words and provides the method of semantic orientation calculation of words based on dynamic benchmark set. The proposed method is tested on test set contains verbs and adjectives and more than 90% accuracy have been achieved, which shows the validity and rationality of the method.