CONTEXT COLLECTION DEVICES, CONTEXT COLLECTION PROGRAMS, AND CONTEXT COLLECTION METHODS
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机译：语境收集设备，语境收集程序和语境收集方法
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摘要
A content storage means stores content information that correlates available pieces of content with tags that are assigned thereto and that represent contexts in advance. A usage log storage means stores information that represents a piece of content that a user used as a usage log. A user context determination means obtains a tag that is assigned to a piece of content and that is contained in the usage log from the content information and determines a context of the user based on the obtained tag.
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