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OpenPass is a method for data recording on RFID card in an integrated access control system, with proprietary software by different providers. OpenPass is released under the GPL license.〔(OpenPass site )〕 ==The OpenPass system== The OpenPass system consist of: *contactless smartcard ISO 15693, without proprietary restrictions; *ticket counters and gates compatible with the standard *central server and open platform for data collection *web service connection and data transmission real-time or (). To allow the exchange of information between heterogeneous access control systems, OpenPass defines an interchange format through the use of metalanguage XML. Access credentials are stored on the smartcard and organized through the use of markers, rapresented in XML. The XML representations are made public by the server OpenPass. With a single RFID card, the user access to all sites in the system: each company is able to issue the ticket yourself and the card is recognized by every member of the system independently. The OpenPass standard defines a distributed network of data centers, that are web service connected with the server. The information collected by data centers regarding sales and passages to the gates and they are sent to the central server. The exchange format between server and collection centers is XML. The OpenPass server receives the data and stores them in a centralized SQL database, where each data item is related to a UID and any personal details of the custumer.〔(The methodology OpenPass was formalized in the documents of the “Skipass Lombardia ” project: )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Openpass」の詳細全文を読む スポンサード リンク
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