Recently, the data management model using personal data store (PDS), which is a mechanism for users to store and manage their personal data, has been discussed in response to stricter privacy protection worldwide. In this regard, we developed a data-driven personalization method for broadcasting services. Various personal data, such as program viewing history and Internet service usage history, are stored centrally in the PDS on the user's side. This personal data can be utilized under user control when using various services allowing cross-industry service collaboration while maintaining a high level of transparency to the user. This enables users to use broadcasting service more widely and conveniently by linking it with various Internet services. In this study, we developed a prototype system that implements end-to-end components from acquisition to utilization of broadcast program viewing history. The system consists of a set of functions that acquires viewing history from broadcast and Internet streaming, stores it on PDS, and uses it in applications. The PDS implementation utilizes open-source software based on web standards to facilitate data linkage with a variety of Internet services. As an effective example for system evaluation, we designed and prototyped on-demand video viewing services in which separate applications of different service providers are linked via the PDS.
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