Research on building Chinese semantic lexicon based on the concept definition of HowNet

Emotional tendency refers to people´s attitude towards people or things. It is a kind of subjective judgments and it can be divided into several parts, such as praise or criticize, positive or negative, good or bad. The judgment of emotional words´ emotional tendency and the problem of how to give emotional words a weight are the base of text tendency analysis. The study of semantic weight has been widely used in text tendency analysis, public sentiment, as well as text classification. This essay extracts words from glossary concept library (refer to glossary.dat) of HowNet and polish the library. In order to make the calculation study of the emotional words´ weight more accurately, the paper studies synonyms and antonyms, as well seed words selection manually. The experiment proved the method attains the results expected in sentiment judgment, weight calculation and application in text analysis.