A Fundamental Study on Web Marketing Technology on Social Media Era

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In this research, the information analytics and the Web marketing technology were studied for supporting the business activities on the social media era. Focusing on the fundamental techniques and models for analytics and Web marketing tools, several new models to analyze the text data and statistical models have been proposed. The new model for recommendation system and statistical models to represent the consumer behaviors have also been studied. Through numerical experiments and applications to the real data, the effectiveness of the proposed models and methods were clarified. Moreover, the asymptotic analysis of the high dimensional vector space model of text data with sparseness was conducted. The asymptotic optimality of the distance measures on the text vector space was shown.