Abstract: A non-transitory computer-readable recording medium records an output control program for causing a computer to execute processing of: in a case where input of a question is accepted, extracting an accuracy of each of one or a plurality of answers to the question, the accuracy being stored in a storage unit; and selecting an answer to be output from the one or plurality of answers so that a total value of the accuracy of the one or plurality of answers to the question is equal to or larger than a first threshold.

Abstract: A non-transitory computer readable recording medium records a conversation control program that causes a computer to execute processing including: receiving an instruction to change a specific input message among messages displayed in times series to another input message; and displaying the other input message and a response message to the other input message in time series.

Abstract: A non-transitory computer-readable recording medium having stored therein a communication control program for causing a computer to execute a process includes: receiving, from each of a plurality of base stations, communication result between the respective base stations and a communication terminal; storing, when the received communication result indicates that transmission of a message from a first base station to a specific communication terminal is failed, the message in a storage in association with identification information on the specific communication terminal; and referring, when the received communication results indicates that communication is established between a second base station and the specific communication terminal, to the storage, transmitting the message stored in association with the identification information on the specific communication terminal to the second base station, and requesting the second base station to transmit the message to the specific communication terminal.

Abstract: A non-transitory computer readable recording medium records a conversation control program that causes a computer to execute processing including: receiving an instruction to change a specific input message among messages displayed in times series to another input message; and displaying the other input message and a response message to the other input message in time series.

Abstract: A non-transitory computer-readable recording medium records an output control program for causing a computer to execute processing of: in a case where input of a question is accepted, extracting an accuracy of each of one or a plurality of answers to the question, the accuracy being stored in a storage unit; and selecting an answer to be output from the one or plurality of answers so that a total value of the accuracy of the one or plurality of answers to the question is equal to or larger than a first threshold.

Abstract: A non-transitory computer-readable recording medium having stored therein a base station determination program for causing a computer to execute a process includes: acquiring position information on a communication terminal; assigning, based on position information on each of a plurality of base stations stored in advance in a storage and the acquired position information on the communication terminal, one or more base stations other than a base station that includes a point at which a radio wave characteristic based on longitude information changes in a time slot during which communication is to be performed, and which is provided between a position of the base station and a position of the communication terminal, as one or more base station candidates from among the plurality of base stations; and determining a base station that is to communicate with the communication terminal from among the one or more base station candidates.

Abstract: A non-transitory computer-readable recording medium having stored therein a message information acquisition program for causing a computer to execute a process includes: receiving, from each of a plurality of base stations that receive a first message which is transmitted by a communication terminal, a second message in which information indicated by the first message is divided into parts each in an error checkable format; performing an error check for each of the parts; extracting, in each of a plurality of second messages indicating the same information, a divided piece of information from one or more parts without an error of the parts; joining the divided pieces of information; and acquiring the information indicated by the first message.

Abstract: A non-transitory computer-readable recording medium having stored therein a communication control program for causing a computer to execute a process includes: receiving, from each of a plurality of base stations, communication result between the respective base stations and a communication terminal; storing, when the received communication result indicates that transmission of a message from a first base station to a specific communication terminal is failed, the message in a storage in association with identification information on the specific communication terminal; and referring, when the received communication results indicates that communication is established between a second base station and the specific communication terminal, to the storage, transmitting the message stored in association with the identification information on the specific communication terminal to the second base station, and requesting the second base station to transmit the message to the specific communication terminal.

Abstract: A non-transitory computer-readable recording medium having stored therein a base station determination program for causing a computer to execute a process includes: acquiring position information on a communication terminal; assigning, based on position information on each of a plurality of base stations stored in advance in a storage and the acquired position information on the communication terminal, one or more base stations other than a base station that includes a point at which a radio wave characteristic based on longitude information changes in a time slot during which communication is to be performed, and which is provided between a position of the base station and a position of the communication terminal, as one or more base station candidates from among the plurality of base stations; and determining a base station that is to communicate with the communication terminal from among the one or more base station candidates.

Abstract: A non-transitory computer-readable storage medium stores a program that causes a computer to execute a process. The process includes receiving radio signals from base stations, the radio signals being generated by the base stations based on a modulated signal received at the base stations; determining one or more reception target signals in the received radio signals, the reception target signals having a predetermined target frequency and being modulated according to a predetermined target modulation scheme; aligning the reception target signals with each other; generating a demodulation target signal based on the aligned reception target signals; and demodulating the generated demodulation target signal.

Abstract: An information processing system includes a mobile terminal, a plurality of base stations, and an information processing device. The information processing device includes: a first processor that executes a first process including: first generating information to be transmitted to the mobile terminal; and first transmitting the generated information to the plurality of base station. The plurality of base stations include a second processor that executes a second process including receiving the information transmitted from the information processing device, then second generating a radio signal in a shortwave frequency band that corresponds to the information, and second transmitting the generated radio signal to the mobile terminal. The mobile terminal includes a third processor that executes a third process including acquiring the information from the radio signal transmitted from one base station among the plurality of base stations in a case where the radio signal is received.

Abstract: A management system includes: a mobile terminal; a plurality of base stations; and a management device. The mobile terminal includes a first processor that executes a first process including transmitting management information including identification information of the mobile terminal using short waves. The base stations include a second processor that executes a second process including first receiving the management information transmitted from the mobile terminal, to transmit the management information to the management device.

Abstract: A first executing unit executes a first program by emulating information processing in a first operational environment in which the first program is executable. A generating unit generates, in parallel with the execution of the first program, a second program which is executable in a second operational environment of an information processing system and which is capable of acquiring the same processing result as the first program. A second executing unit terminates the execution of the first program by the first executing unit and also executing the second program, after the generation of the second program is completed.

Abstract: A non-transitory computer-readable recording medium on which a program is recorded for a causing a processor to execute a demodulation process. The demodulation process includes detecting a preamble of a wireless signal transmitted from a first transmission station by way of a short wavelength carrier wave, extracting a first signal superimposed on the short wavelength carrier wave, the first signal being extracted from a wireless signal that is identified in accordance with the detection of the preamble, extracting a second signal superimposed on a carrier wave transmitted from a second transmission station, and performing demodulation on a target demodulation signal obtained by superimposing the first signal on the second signal.

Abstract: A non-transitory computer-readable recording medium on which a program is recorded for a causing a processor to execute a demodulation process. The demodulation process includes detecting a preamble of a wireless signal transmitted from a first transmission station by way of a short wavelength carrier wave, extracting a first signal superimposed on the short wavelength carrier wave, the first signal being extracted from a wireless signal that is identified in accordance with the detection of the preamble, extracting a second signal superimposed on a carrier wave transmitted from a second transmission station, and performing demodulation on a target demodulation signal obtained by superimposing the first signal on the second signal.

Abstract: A non-transitory computer-readable storage medium stores a program that causes a computer to execute a process. The process includes receiving radio signals from base stations, the radio signals being generated by the base stations based on a modulated signal received at the base stations; determining one or more reception target signals in the received radio signals, the reception target signals having a predetermined target frequency and being modulated according to a predetermined target modulation scheme; aligning the reception target signals with each other; generating a demodulation target signal based on the aligned reception target signals; and demodulating the generated demodulation target signal.

Abstract: A management system includes: a mobile terminal; a plurality of base stations; and a management device. The mobile terminal includes a first processor that executes a first process including transmitting management information including identification information of the mobile terminal using short waves. The base stations include a second processor that executes a second process including first receiving the management information transmitted from the mobile terminal, to transmit the management information to the management device.

Abstract: An information processing system includes: a plurality of movable terminal devices; a plurality of base stations; and an information processing device. The plurality of movable terminal devices are provided in vessels, and the plurality of movable terminal devices include: a first processor that executes a first process including: acquiring positional information on a movement start position of the vessel and a direction of a bow, a rudder angle, and a vessel speed of the vessel during movement; calculating a predicted position of the vessel in accordance with the positional information on the movement start position, the direction of the bow, the rudder angle, and the vessel speed; specifying a direction and a magnitude of a tidal current in accordance with a difference between current positional information on the vessel and the predicted position; and transmitting, to the plurality of base stations, management information.

Abstract: An information processing system includes a mobile terminal, a plurality of base stations, and an information processing device. The information processing device includes: a first processor that executes a first process including: first generating information to be transmitted to the mobile terminal; and first transmitting the generated information to the plurality of base station. The plurality of base stations include a second processor that executes a second process including receiving the information transmitted from the information processing device, then second generating a radio signal in a shortwave frequency band that corresponds to the information, and second transmitting the generated radio signal to the mobile terminal. The mobile terminal includes a third processor that executes a third process including acquiring the information from the radio signal transmitted from one base station among the plurality of base stations in a case where the radio signal is received.

Abstract: A first executing unit executes a first program by emulating information processing in a first operational environment in which the first program is executable. A generating unit generates, in parallel with the execution of the first program, a second program which is executable in a second operational environment of an information processing system and which is capable of acquiring the same processing result as the first program. A second executing unit terminates the execution of the first program by the first executing unit and also executing the second program, after the generation of the second program is completed.