作者: Yukio Nakayama , Junko Mashiko , Chiaki Fujiya , Kaoru Sakamoto
DOI:
关键词:
摘要: A right-of-use database stores one or more rights of use merchandise. Also provided are a unit permitting merchandise to be used when it is determined by referring the that right obtained, and prohibiting from there no has expired, performing job using permitted, decreasing an amount stored in database.