A service provisioning system for distributed personalization with private data protection

Hiroyuki Kasai, Wataru Uchida, Shoji Kurakake

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Personalized services can provide significant user benefits since they adapt their behavior to better support the user. Personalized services use a variety of data related to the user to decide their behavior. Thus personalized service needs a provisioning system that can collect the data that impacts service behavior and allows selection of the most appropriate service. However, in the coming ubiquitous environment, some data necessary for determining service behavior might be unavailable due to two possible reasons. One is that the data does not exit. The other is that the data exists but cannot be accessed. For example, users do not want to disclose their personal information, and service providers do not also want to expose data related to their knowhow in services. This paper describes a new service provisioning system for distributed personalization with private data protection. Specifically, the system selects applicable services by assessing how well each candidate service behaves when some data is missing. It then executes those selected services while hiding the users' and providers' private data in a distributed manner. We first summarize the requirements for a personalized service system, and introduce our fundamental policies for the system. The two main components of our system are then described in detail. One component is a service assessment mechanism that can judge if a service can work without data that can be used for adaptation. The second component is a service execution mechanism that can utilize private data while still ensuring privacy. This component divides service logic and executes divided logic where necessary data is available. The paper finally describes our prototype implementation and its performance evaluation results.

本文言語English
ページ(範囲)2025-2038
ページ数14
ジャーナルJournal of Systems and Software
80
12 SPEC. ISS.
DOI
出版ステータスPublished - 2007 12
外部発表はい

ASJC Scopus subject areas

  • Software
  • Information Systems
  • Hardware and Architecture

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