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Privacy-Preserving System for Enriched-Integrated Service
Kaisei KAJITA Go OHTAKE Kazuto OGAWA
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2021/05/01
Online ISSN: 1745-1361
Type of Manuscript: Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
privacy preserving, attribute-based keyword search, integrated broadcast-broadband service,
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In this study, we propose a secure data-providing system by using a verifiable attribute-based keyword search (VABKS), which also has the functions of privacy preservation and feedback to providers with IP anonymous server. We give both theoretic and experimental result, which show that our proposed system is a secure system with real-time property. One potential application of the system is to Integrated Broadcast-Broadband (IBB) services, which acquire information related to broadcast programs via broadband networks. One such service is a recommendation service that delivers recommendations matching user preferences (such as to TV programs) determined from the user's viewing history. We have developed a real-time system outsourcing data to the cloud and performing keyword searches on it by dividing the search process into two stages and performing heavy processing on the cloud side.