The Analysis of Product Evaluation and Sales Characteristic Model Based on Data Mining

Since a lot of online evaluation information is accumulated with the application and development of e-commerce industry, sentiment analysis technology can be used to mine and utilize it effectively, so as to provide reference for e-commerce industry management. First, a sentiment semantic classification dictionary was constructed based on the frame semantics theory. Then, based on the dictionary and some rules, the sentiment of online reviews was analyzed. Finally, through the test of online review data, a higher accuracy rate and recall rate were obtained, which proved the validity and effectiveness of the research method.