Abstract
Diffusion of the Internet leads expanding EC market. On EC site, customer's reviews about product or service gives a great influence on purchase decision. So rating points and evaluation on review are expected to be utilized for marketing activities. In this study, we analyze reviews and rating points in a golf courses reservation sites and clarify the characteristics of positive reviews for the golf courses. Concretely, we used logistic regression to discriminate positive and negative reviews. In our model, the rating point to golf course is used as the objective variable. Moreover, we extracted some characteristic words from reviews and used these as explanatory variables. Through our analysis, we could clarify the effective reviews of golf course.