基于情感挖掘的学生评教系统设计及其应用

Design and Application of Teaching Evaluation System Based on Sentiment Mining

The teaching evaluation of students is a management regulation usually used by universities. The validity of the teaching evaluation， in other words， the quality of the teaching evaluation got the high concern of teachers， students and teaching administrators. In the paper， semantic technology is used for sentiment mining of students’ messages waiting， and sentiment lexicon based on CNKI is formed， and the polarity weights of the words in sentiment lexicon are different. 3GWS is used to distinguish Chinese words and mark the parts of speech， and compute the degree of sentiment evaluations， which forms the evaluation abstract of teachers. According to the teaching evaluation data of Yantai university， the scientificalness and validity of the method is proved.