Abstract: An application server receives worker identification information on a worker and evaluation information on the worker for whom a work status is evaluated by using a map in which location information is displayed, calculates, as a token, an evaluation value corresponding to a work item indicated by the evaluation information, gives, as the token, the evaluation value to the worker indicated by the worker identification information, and transmits the worker identification information , the token history information that includes the worker identification information, a date and time at which the token is given, and the evaluation value to an information recording apparatus that records the history information on the token by using a blockchain.

Abstract: Provided is a system comprising a data collection unit configured to collect, from equipment capable of acquiring measurement data obtained by measuring physical quantities of a measurement target, the measurement data, a contract term registration unit configured to register a term of a contract to disclose the measurement data to a contractor, a judgement unit configured to judge whether the contract has been concluded, a data disclosure unit configured to disclose the measurement data to the contractor in response to conclusion of the contract, and a charging processing unit configured to perform processing for charging an amount according to a consideration for disclosure of the measurement data to the contractor, based on the term of the contract.

Abstract: The present invention is a power storage service system including: quantitatively grasping the time leading up to the expression of the abnormality; capable determining possible or impossible of avoiding stopping of the function of the assembled battery system. According to the invention, a maintenance operator and a maintenance service supplier of the assembled battery system have a time margin to plan a response schedule and to prepare responding, and it can reduce the cost of responding to the maintenance by reducing and optimizing the number of response.

Abstract: The present invention is a power storage service system including: quantitatively grasping the time leading up to the expression of the abnormality; capable determining possible or impossible of avoiding stopping of the function of the assembled battery system. According to the invention, a maintenance operator and a maintenance service supplier of the assembled battery system have a time margin to plan a response schedule and to prepare responding, and it can reduce the cost of responding to the maintenance by reducing and optimizing the number of response.