Mitsubishi Heavy Industries Technical Review
    Vol. 55 No. 4 (2018)   New Power Domain Projects
    Technical Papers

    One-stop Solution for Increasing Customer Satisfaction

    Data Analysis and Machine Learning for
    Application in Various Fields

    WATARU SAKAI
    YUDAI KATO
    KATSUAKI MORITA
    KAZUKI OZAKI
    TETSUHIRO HASHIMOTO
    SHIGEO HOSAKA

    In Tokyu Community Corporation's customer center, it has become quite necessary to create measures and new services to further improve customer satisfaction due to the increasing number of inquiries from customers. To address this issue, Mitsubishi Heavy Industries, Ltd. (MHI) developed a new system that predicts the number of future inquiries, utilizing machine learning, and classifies/visualizes text information of inquiries made in the past by customers. This is one form of the application of the prediction technique and text mining technology that have been applied to our products in the past. MHI will continue to support a variety of customer value creation activities utilizing data and our wide range of product/service knowledge to contribute to the creation of a more prosperous society.