Abstract: A management apparatus includes: a provider configured to, in response to receiving a first request from a first node, provide the first node with first information corresponding to the first request, the first request being a request to control quality of communication within a group constituted by the first node and a plurality of second nodes, the first node and each of the plurality of second nodes each having a blockchain, the communication being communication for appending additional data to the blockchain, and the first node and the plurality of second nodes being configured to execute the communication; and a quality controller configured to set quality of communication in a first communication path to quality that is better than or equal to a first quality in response to receiving the first information in addition to a second request from a receiving node among the plurality of second nodes, the receiving node having received the first information during forwarding of the first information within the

Abstract: A management apparatus includes: a provider configured to, upon receiving a first request to control quality of communication within a group constituted by a first node and second nodes, which have a blockchain and which are configured to execute the communication for appending additional data to the blockchain, from the first node, provide the first node with first information corresponding to the first request; and a quality controller configured to set quality of communication related to a control target node that is one of the second nodes to quality better than or equal to a first quality upon receiving the first information in addition to a second request to control the quality of the communication related to the control target node from a receiving node, which has received the first information during forwarding of the first information within the group, among the second nodes.

Abstract: A processor of a server includes: a keyword generator that narrows object images from video based on both activity information on the activity history of a user and a first level of narrowing down and generates candidate keywords, as candidate comments, by generating a candidate keyword for each of the images; an identifier that identifies one or more target keywords from among the candidate keywords generated by the keyword generator based on both the activity information and a second level of narrowing down; a comment generator that generates, for each of the one or more target keywords, a comment related to each target keyword; and an adjuster that adjusts the first level of narrowing down in the keyword generator and the second level of narrowing down in the identifier in accordance with processing information on processing performable by the keyword generator and processing performable by the identifier.

Abstract: A management apparatus includes: a uality manager configured to: acquire (i) a control request for requesting control of quality of communication, the communication being executed when an application program installed in the terminal apparatus is executed, and (ii) terminal information related to the terminal apparatus; and based on the control request and the terminal information, execute a control process causing at least one of the one or more networks to execute the control of quality; and a charge manager configured to: acquire, from each of the plurality of networks, fee information showing a usage fee of the control of quality; and charge a fee based on the fee information to an application provider providing the application program to the terminal apparatus.

Abstract: A management apparatus includes: an acquirer configured to acquire a start request and terminal information, the start request being a request for starting control of quality of a communication service, the communication service being provided for a terminal device connected to one or more networks among a plurality of networks managed by one or more carriers; a determiner configured to determine the one or more networks connected to the terminal device from among the plurality of networks based on the terminal information acquired by the acquirer; and a service manager configured to execute control processing to cause a target network to start QoS control, the target network being a target for the QoS control among the one or more networks connected to the terminal device.

Abstract: A terminal device, which is connected to a network in which quality of communication is controlled, includes a communicator configured to communicate with a server apparatus connected to the network, and a requester configured to request, when the server apparatus provides the terminal device with a service, execution of quality control based on a condition being satisfied, the quality control being control of quality of communication with the server apparatus, the condition being a condition in which one, some, or all of a plurality of adjustment processing tasks are executable, and the plurality of adjustment processing tasks being processing tasks to adjust at least one of a resource for provision of the service and a resource for use of the service.

Abstract: A terminal apparatus to be connected to a network among a plurality of networks in which quality of a communication service is to be controlled has an identifier and a requester. The identifier is configured to identify, based on network information for identifying the network, one or both of a quality control apparatus and a notification apparatus. The quality control apparatus is configured to receive a request regarding QoS control that is control of quality of a communication service in the network, and the notification apparatus is configured to receive a request to acquire interface to information including information indicative of the quality control apparatus. The requester is configured to request the quality control apparatus to start the QoS control.

Abstract: A management apparatus includes an obtainer that obtains a start request to request a start of control of quality of a communication service provided to one of a plurality of terminal apparatuses, each of the plurality of terminal apparatuses being connected to one of a plurality of networks managed by a plurality of communication carriers, and terminal information about the terminal apparatus; an identifier that identifies, from among the plurality of communication carriers, a communication carrier that provides the communication service to the terminal apparatus, based on the terminal information; and a service manager that executes predetermined processing for causing a quality control system of the identified communication carrier to start the control of the quality of the communication service to the terminal apparatus.

Abstract: A management apparatus includes a receiver configured to receive, for each of terminal devices belonging to a first group, a corresponding piece of quality information based on a quality available to the respective terminal device in a communication service; a determiner configured to determine, based on the corresponding piece of quality information for each terminal device, whether the first group includes a second group of two or more terminal devices, the second group satisfying a predetermined condition, the predetermined condition including a quality condition in which the communication service is available at a quality higher than or equal to a predetermined quality; and a situation controller configured to, based on a result of a determination made by the determiner being affirmative, cause a first situation in which the second group receives the communication service at a quality higher than or equal to the predetermined quality.

Abstract: A management apparatus includes: a determiner configured to determine whether at least one application program is in operation in a specific state at a terminal apparatus connected to a network NW, the at least one application program being a target for control of a quality of service for communication in the network; and a termination processor configured to execute processing to terminate the control of the quality of the service for the terminal apparatus based on a determination result by the determiner being negative.

Abstract: A management apparatus, which communicates with a terminal apparatus that is connectable to a network controlled by QoS control, includes: an acquirer configured to acquire protocol information indicative of processing content of a connection protocol to be performed between the terminal apparatus and the network when the terminal apparatus is connected to the network; a transmission controller configured to transmit based on the connection protocol, to the terminal apparatus, one or both of interface information relating to a reception of a start request for the QoS control of one network, and address information relating to a reception of an acquisition request for the interface information.

Abstract: A terminal includes: a reception unit configured to obtain information for starting a service that performs priority control related to communications, the service being applied to a group to which one or more terminals belong; and a control unit configured to start the service for the terminals that belong to the group, by using the information and by a trigger via direct communication between terminals or via a network.

Abstract: Disclosed is a communication device capable of communicating with a terminal that performs wireless communication. The communication device includes a receiver configured to receive a request for network quality requirements from the terminal; a calculator configured to calculate network quality requirements available to the terminal; a determination unit configured to compare the request with the available network quality requirements to determine whether the request is acceptable; and a transmitter configured to transmit the result of the determination to the terminal.

Abstract: A communication device includes a control unit that obtains information related to Quality of Service (QoS) control and determines whether to transmit information indicating whether the QoS can be provided based on the information related to the QoS control; a transmitting unit that transmits the information indicating whether the QoS can be provided based on a result of the determination to another communication device; and a communication unit that executes radio communication to which the QoS control is applied, the QoS control being executed based on the information indicating whether the QoS can be provided.

Abstract: A quality-of-service management system includes a terminal and a server (a quality-of-service management device), the terminal determines whether or not a satisfaction condition is satisfied for a predetermined terminal-side determination item in response to a start request of QoS control from an application or the terminal and transmits a condition determination request for starting QoS control to the server when it is determined that the condition is satisfied, the server determines whether or not the satisfaction condition is satisfied for a predetermined server-side determination item in response to the condition determination request for starting QoS control, and at least one of the terminal and the server starts QoS control when it is determined that the condition is satisfied.

Abstract: A communication device includes a control unit that determines whether Quality of Service (QoS) is not to be configured for each of one or more conditions for determining a requirement that determines radio communication quality provided by the QoS or the requirement is to be configured for the QoS; and a communication unit that executes a radio communication in which QoS is not to be provided in a case where the control unit does not configure the QoS, and executes a radio communication in which QoS is to be provided in a case where the control unit configures the requirement for the QoS.

Abstract: A processor of a server includes: a keyword generator that narrows object images from video based on both activity information on the activity history of a user and a first level of narrowing down and generates candidate keywords, as candidate comments, by generating a candidate keyword for each of the images; an identifier that identifies one or more target keywords from among the candidate keywords generated by the keyword generator based on both the activity information and a second level of narrowing down; a comment generator that generates, for each of the one or more target keywords, a comment related to each target keyword; and an adjuster that adjusts the first level of narrowing down in the keyword generator and the second level of narrowing down in the identifier in accordance with processing information on processing performable by the keyword generator and processing performable by the identifier.

Abstract: To provide a vascular sap flow speed sensor having a size allowing measurement of the flow speed of vascular sap in a part of a plant such as a stem and capable of being manufactured at low cost. A vascular sap flow speed sensor 1 includes a heater sensor HS and a reference sensor RS. The heater sensor HS includes: a first probe unit 10a including a heat transfer plate 11 and a probe 12; a heater 20; a first temperature sensor 30a; and a first housing 40a in which the heat transfer plate 11, the heater 20, and the first temperature sensor 30a are housed. The reference sensor RS includes: a second probe unit 10b including a heat transfer plate 11 and a probe 12; a second temperature sensor 30b; and a second housing 40b in which the heat transfer plate 11 and the second temperature sensor 30b are housed. Each of the first probe unit 10a and the second probe unit 10b is made of a metallic material.

Abstract: To provide a vascular sap flow speed sensor having a size allowing measurement of the flow speed of vascular sap in a part of a plant such as a stem and capable of being manufactured at low cost. A vascular sap flow speed sensor 1 includes a heater sensor HS and a reference sensor RS. The heater sensor HS includes: a first probe unit 10a including a heat transfer plate 11 and a probe 12; a heater 20; a first temperature sensor 30a; and a first housing 40a in which the heat transfer plate 11, the heater 20, and the first temperature sensor 30a are housed. The reference sensor RS includes: a second probe unit 10b including a heat transfer plate 11 and a probe 12; a second temperature sensor 30b; and a second housing 40b in which the heat transfer plate 11 and the second temperature sensor 30b are housed. Each of the first probe unit 10a and the second probe unit 10b is made of a metallic material.

Abstract: A heat generating body includes a heater unit that is integrally formed with plural placement portions and that generates heat when current is passed through the heater unit, and plural electrodes that are provided at the heater unit and that are each disposed at a different one of the plurality of placement portions to each other.