{'fraction_non_alphanumeric': 0.013641133263378805, 'fraction_numerical': 0.0, 'mean_word_length': 5.115384615384615, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 1, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
A Study of Development and Formation of Personal Information Trust Service in Japan

This paper examines a Personal Information Trust Service as a conceptual model of a Personal Data Service to unlock personal data from collection to use without privacy invasion. Personal Data Service is a service to let an individual store, manage, and deploy their key personal data in a highly secure and structured way. First, the authors explore an accounting cloud service with two-sided markets structure and freemium business model and discuss success factors of its diffusion. Second, they illustrate the duality of structure situated between the business model of the accounting cloud service and Personal Data Service. Third, they examine a conceptual model of Personal Information Trust Service as one of Personal Data Service. At last, the authors discuss strategies for diffusion of the conceptual model and examine introduction to a smart city in Japan.