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Abstract

The present invention provides an improved arrangement for a content use eligibility determination process based on content usage condition information. In the content use eligibility determination process, a user device performs a checking process of checking a property selection list as the content usage condition information against a property list as user device attribute information. The user device performs a determination process of determining whether data corresponding to property definition data in the property selection list is present in the property list, and performs a content use eligibility determination process in accordance with a decision process sequence of a next process step based on a process setting code accompanying the property definition data. With this arrangement, even if the addition of new property definition data occurs, the user device performs precise content use eligibility determination of a content by simply performing a checking process against the property list and a process based on the process setting code.

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First Claim