Abstract: A computer-readable recording medium stores an information verification program for causing a computer to execute a process. The process includes: acquiring posted information that includes first information which is text information, second information which is at least one of image information and audio information, and metadata of the second information; specifying an event that occurs, based on the first information; specifying an influence range that indicates a range of at least one of a geographical influence and a temporal influence by the event; and calculating a first reliability level of the posted information based on the influence range and the metadata.

Abstract: A communication system includes: a first communication apparatus configured to control a first wireless communication and a second wireless communication different from the first wireless communication; a second communication apparatus configured to communicate using the second communication; and a third communication apparatus configured to perform data communication with the first communication apparatus via the first wireless communication or the second wireless communication, wherein the third communication apparatus transmits to the first communication apparatus a control message that includes an available address of the third wireless communications apparatus used in the second wireless communication, the first communication apparatus notifies the second communication apparatus of the available address of the third communication apparatus, and the second communication apparatus communicate with the third communication apparatus using the address.

Abstract: A computer-readable recording medium stores an information verification program for causing a computer to execute a process. The process includes: acquiring posted information that includes first information which is text information, second information which is at least one of image information and audio information, and metadata of the second information; specifying an event that occurs, based on the first information; specifying an influence range that indicates a range of at least one of a geographical influence and a temporal influence by the event; and calculating a first reliability level of the posted information based on the influence range and the metadata.

Abstract: A communication system includes: a first communication apparatus configured to control a first wireless communication and a second wireless communication different from the first wireless communication; a second communication apparatus configured to communicate using the second communication; and a third communication apparatus configured to perform data communication with the first communication apparatus via the first wireless communication or the second wireless communication, wherein the third communication apparatus transmits to the first communication apparatus a control message that includes an available address of the third wireless communications apparatus used in the second wireless communication, the first communication apparatus notifies the second communication apparatus of the available address of the third communication apparatus, and the second communication apparatus communicate with the third communication apparatus using the address.

Abstract: A data management device manages personal data to which consent information indicating a data user authorized as a receiver has been added. The data management device includes: a cache memory and a processor. When personal data requested by a data user is stored in the cache memory, the processor acquires the requested personal data from the cache memory. When personal data requested by the data user is not stored in the cache memory, the processor acquires the requested personal data from a data holder. The processor decides based on consent information added to the personal data acquired whether to provide the personal data to the data user. When the data management device acquires new personal data from a data holder, the processor decides whether to store the new personal data in the cache memory based on consent information added to the new personal data.

Abstract: A wireless communications system includes a first wireless-communications-apparatus that controls a second wireless-communication by a controller for a first wireless-communication; a second wireless-communications-apparatus capable of the second wireless-communication; and a third wireless-communications-apparatus capable of data transmission with the first wireless-communications-apparatus via the first or second wireless-communication, and that transmits to the first wireless-communications-apparatus, a control message including an address thereof for the second wireless-communication.

Abstract: An authorization apparatus includes a memory configured to store attribute information associating an identification information of data and information indicating an attribute of the data, the data being stored in a data server, a processor configured to generate an access token in association with an extraction condition to be used for extracting the data to be obtained by a terminal, and a communicator configured to receive a target access token from the data server, wherein when receiving the target access token, the processor is configured to extract identification information of data pieces satisfying the extraction condition associated with the target access token, and generate a list of identification information of the data to be disclosed to the terminal using a target access token, and the communicator transmits the list to the data server.

Abstract: A communication system includes: a first communication apparatus configured to control a first wireless communication and a second wireless communication different from the first wireless communication; a second communication apparatus configured to communicate using the second communication; and a third communication apparatus configured to perform data communication with the first communication apparatus via the first wireless communication or the second wireless communication, wherein the third communication apparatus transmits to the first communication apparatus a control message that includes an available address of the third wireless communications apparatus used in the second wireless communication, the first communication apparatus notifies the second communication apparatus of the available address of the third communication apparatus, and the second communication apparatus communicate with the third communication apparatus using the address.

Abstract: A wireless communications system includes a base station configured to control a second wireless communication different from a first wireless communication by a control unit configured to control the first wireless communication; and a mobile station configured to be capable of performing data transmission between the mobile station and the base station, using one of the first wireless communication and the second wireless communication. When data is transmitted between the base station and the mobile station using the second wireless communication, a sender station among the base station and the mobile station performs transmission control of using an identifier of a bearer of the data transmitted to a receiver station among the base station and the mobile station and using correspondence information of the identifier and an access category that is QoS information in the second wireless communication to identify the access category of the data and transmit the data.

Abstract: A data management device manages personal data to which consent information indicating a data user authorized as a receiver has been added. The data management device includes: a cache memory and a processor. When personal data requested by a data user is stored in the cache memory, the processor acquires the requested personal data from the cache memory. When personal data requested by the data user is not stored in the cache memory, the processor acquires the requested personal data from a data holder. The processor decides based on consent information added to the personal data acquired whether to provide the personal data to the data user. When the data management device acquires new personal data from a data holder, the processor decides whether to store the new personal data in the cache memory based on consent information added to the new personal data.

Abstract: A non-transitory computer-readable storage medium storing a communication program for causing a computer to execute processing, the processing including: managing an update status of data owned by a data-owning apparatus; managing an acquisition status of the data acquired by a data-using apparatus through the data-owning apparatus; determining, when a data acquisition request from the data-using apparatus is detected, whether the data-using apparatus has acquired updated data that has been updated, based on the update status and the acquisition status; and issuing an access permission for acquiring the updated data to the data-using apparatus in a case where it is determined that the data-using apparatus has not acquired the updated data.

Abstract: A method may include publishing metadata to a blockchain, the metadata describing a training task associated with a global machine-learning model and computational resource requirements for performing the training task. The method may include receiving a request to participate in training the global machine-learning model from one or more clients based on a relevance of a respective local dataset of each of the clients to the training task and a suitability of the clients to the computational resource requirements for performing the training task. The method may include obtaining local model updates in which each respective local model corresponds to a respective client and each respective local model update is generated based on training the global machine-learning model with each of the local datasets. The method may include aggregating the plurality of local model updates and generating an updated global machine-learning model based on the aggregated local model update.

Abstract: A method may include publishing metadata to a blockchain, the metadata describing a training task associated with a global machine-learning model and computational resource requirements for performing the training task. The method may include receiving a request to participate in training the global machine-learning model from one or more clients based on a relevance of a respective local dataset of each of the clients to the training task and a suitability of the clients to the computational resource requirements for performing the training task. The method may include obtaining local model updates in which each respective local model corresponds to a respective client and each respective local model update is generated based on training the global machine-learning model with each of the local datasets. The method may include aggregating the plurality of local model updates and generating an updated global machine-learning model based on the aggregated local model update.

Abstract: An authorization apparatus includes a memory configured to store attribute information associating an identification information of data and information indicating an attribute of the data, the data being stored in a data server, a processor configured to generate an access token in association with an extraction condition to be used for extracting the data to be obtained by a terminal, and a communicator configured to receive a target access token from the data server, wherein when receiving the target access token, the processor is configured to extract identification information of data pieces satisfying the extraction condition associated with the target access token, and generate a list of identification information of the data to be disclosed to the terminal using a target access token, and the communicator transmits the list to the data server.

Abstract: A communication system includes a first communication device, a second communication device, and third communication device. The first communication device configured to generate a transaction that includes a transaction identifier for identifying the transaction and at least one of agreement information for disclosure of personal information, access information for the personal information, a plurality of pieces of history information regarding processing history of an application, and a plurality of history identifiers for identifying the history information, and to transmit the transaction. The second communication device configured to generate a second block that includes the transaction received from the first communication device and a hash value calculated from a first block having generated before generating the second block. The third communication device configured to write the second block to a distributed ledger.

Abstract: A communication method executed by a processor included in a communication apparatus, the method includes receiving an inquiry about an address allocated to a server identified with a domain name from a terminal apparatus; determining an address allocated to the server identified with the domain name or an address allocated to the communication apparatus as an address of which the terminal apparatus is notified based on a frequency of the inquiries about the domain name; and transmitting the determined address to the terminal apparatus.

Abstract: A non-transitory computer-readable storage medium storing a program that causes a processor included in a computer to execute a process, the process includes transmitting a first profile indicating a feature of a first user to a device, acquiring a second profile indicating a feature of a second user from the device, establishing communication with the device, in accordance with association between the first profile and the acquired second profile, and notifying the device having the communication established of event information corresponding to a context indicating a state of the first user.

Abstract: A wireless communications system includes a base station configured to control a second wireless communication different from a first wireless communication by a control unit configured to control the first wireless communication; and a mobile station configured to be capable of performing data transmission between the mobile station and the base station, using one of the first wireless communication and the second wireless communication. When data is transmitted between the base station and the mobile station using the second wireless communication, a sender station among the base station and the mobile station performs transmission control of using an identifier of a bearer of the data transmitted to a receiver station among the base station and the mobile station and using correspondence information of the identifier and an access category that is QoS information in the second wireless communication to identify the access category of the data and transmit the data.

Abstract: A wireless communications system includes a base station configured to control a second wireless communication different from a first wireless communication by a control unit configured to control the first wireless communication; and a mobile station configured to be capable of performing data transmission between the mobile station and the base station, using one of the first wireless communication and the second wireless communication. When data is transmitted between the base station and the mobile station using the second wireless communication, a sender station among the base station and the mobile station performs transmission control of using an identifier of a bearer of the data transmitted to a receiver station among the base station and the mobile station and using correspondence information of the identifier and an access category that is QoS information in the second wireless communication to identify the access category of the data and transmit the data.

Abstract: An information processing system includes a first storage device, a first information processing device including a first processor, and a second information processing device including a second processor, wherein the first processor is configured to receive a first request requesting data, transmit the first request to a third information processing device, store the data in the first storage device, and notify the second information processing device of information indicating that the data is stored, the second processor is configured to receive a second request requesting the data, and transmit the second request of which the destination is changed to the first information processing device, the first processor is configured to transmit the data stored in the first storage device to the second information processing device, based on the second request, and the second processor is configured to transmit the data as a response to the second request.