At least one device is configured to perform a predetermined process associated with a vehicle using data; and send, to a server system, the data used by the predetermined process as learning data. The server system is configured to obtain the learning data sent from the at least one device, and perform a learning process on at least a factor defining the predetermined process using the obtained learning data to generate update data for updating at least the factor defining the predetermined process. The server system is configured to send the update data to the at least one device. The at least one device is further configured to update at least the factor defining the predetermined process based on the update data sent from the server system.
Please help me write a proper abstract based on the patent claims. CLAIM: 1. A learning system comprising: at least one device installed in a vehicle; and a server system communicably coupled to the at least one device, the at least one device comprising: means for performing a predetermined process associated with the vehicle using data; and means for sending, to the server system, the data used by the performing means as learning data, the server system comprising: means for obtaining the learning data sent from the at least one device; means for performing a learning process on at least a factor defining the predetermined process using the obtained learning data to generate update data for updating at least the factor defining the predetermined process; and means for sending the update data to the at least one device, the at least one device further comprising: means for updating at least the factor defining the predetermined process based on the update data sent from the server system. 2. The learning system according to claim 1, wherein: the vehicle comprises a plurality of vehicles; the at least one device comprises a plurality of devices installed in the respective vehicles; each of the devices further comprises: means for obtaining a piece of environmental data associated with at least one of: an environment of a periphery of a corresponding one of the vehicles, and an environment of a corresponding one of the vehicles itself; the performing means of each of the devices performs the predetermined process associated with a corresponding one of the vehicles using the data and the corresponding piece of environmental data; the sending means of each of the devices sends, to the server system, a piece of the learning data and the corresponding piece of environmental data; the obtaining means of the server system obtains the learning data and the piece of environmental data sent from each of the devices; the server system further comprises: means for categorizing the pieces of the learning data sent from all the devices into a plurality of groups of learning data according to the pieces of the environmental data sent from the respective devices; the performing means of the server system performs the learning process on at least the factor defining the predetermined process using the plurality of groups of learning data to generate pieces of the update data for the respective groups of learning data for updating at least the factor defining the predetermined process; and the updating means of each of the devices updates at least the factor defining the predetermined process based on a corresponding one of the pieces of the update data, a corresponding one of the pieces of the update data matching with the piece of the environmental data sent from a corresponding one of the devices. 3. The learning system according to claim 1, wherein: the vehicle comprises a plurality of vehicles; the at least one device comprises a plurality of devices installed in the respective vehicles; each of the devices further comprises: means for obtaining a piece of environmental data associated with at least one of: an environment of a periphery of a corresponding one of the vehicles, and an environment of a corresponding one of the vehicles itself; the performing means of each of the devices performs the predetermined process associated with a corresponding one of the vehicles using the data and the corresponding piece of environmental data; the sending means of each of the devices sends, to the server system, a piece of the learning data and the corresponding piece of environmental data; the server system comprises: a main server; and a plurality of sub servers communicable with the main server, the main server comprises: means, as the obtaining means of the server system, for obtaining the learning data and the piece of environmental data sent from each of the devices; first means, as the performing means of the server system, for performing the learning process on at least the factor defining the predetermined process using the pieces of the learning data sent from all the devices to generate a first piece of the update data for updating at least the factor defining the predetermined process; means for categorizing the pieces of the learning data sent from all the devices into a plurality of groups of learning data according to the pieces of the environmental data sent from the respective devices; and means for sending the groups of learning data to the respective sub servers and for sending the first piece of the update data to each of the sub servers; each of the sub servers comprises: second means, as the performing means of the server system, for performing the learning process on at least the factor defining the predetermined process using a corresponding one of the groups of learning data and the first piece of the update data to generate a second piece of the update data for a corresponding one of the groups of learning data for updating at least the factor defining the predetermined process; and the updating means of each of the devices updates at least the factor defining the predetermined process based on a corresponding one of the second pieces of the update data, a corresponding one of the second pieces of the update data matching with the piece of the environmental data sent from a corresponding one of the devices. 4. A device installed in a vehicle, the device comprising: means for performing a predetermined process associated with the vehicle using data; means for sending, to a server system, the data used by the performing means as learning data; means for, when update data for updating at least a factor defining the predetermined process is sent from the server as a result of a learning process performed by the server system, receiving the update data; and means for updating at least the factor defining the predetermined process based on the update data received by the receiving means. 5. A server system comprising: means for obtaining learning data sent from at least one device installed in a vehicle, the learning data being data used by the at least one device during execution of a predetermined process associated with the vehicle; means for performing a learning process on at least a factor defining the predetermined process using the obtained learning data to generate update data for updating at least the factor defining the predetermined process; and means for sending the update data to the at least one device. 6. The server system according to claim 5, wherein: the learning data is sent from each of a plurality of devices, the plurality of devices being defined as the at least one device, the devices being respectively installed in a plurality of vehicles, the plurality of vehicles being defined as the vehicle; the obtaining means obtains the learning data and a piece of environmental data sent from each of the devices, the piece of environmental data being associated with at least one of: an environment of a periphery of a corresponding one of the vehicles, and an environment of a corresponding one of the vehicles itself; the server system further comprises: means for categorizing the pieces of the learning data sent from all the devices into a plurality of groups of learning data according to the pieces of the environmental data sent from the respective devices, the performing means of the server system performing the learning process on at least the factor defining the predetermined process using the plurality of groups of learning data to generate pieces of the update data for the respective groups of learning data for updating at least the factor defining the predetermined process. 7. The server system according to claim 5, wherein: the learning data is sent from each of a plurality of devices, the plurality of devices being defined as the at least one device, the devices being respectively installed in a plurality of vehicles, the vehicles being defined as the vehicle; and the server system comprises: a main server; and a plurality of sub servers communicable with the main server, the main server comprises: means, as the obtaining means of the server system, for obtaining the learning data and a piece of environmental data sent from each of the devices, the piece of environmental data being associated with at least one of: an environment of a periphery of a corresponding one of the vehicles, and an environment of a corresponding one of the vehicles itself; first means, as the performing means of the server system, for performing the learning process on at least the factor defining the predetermined process using the pieces of the learning data sent from all the devices to generate a first piece of the update data for updating at least the factor defining the predetermined process; means for categorizing the pieces of the learning data sent from all the devices into a plurality of groups of learning data according to the pieces of the environmental data sent from the respective devices; and means for sending the groups of learning data to the respective sub servers and for sending the first piece of the update data to each of the sub servers; and each of the sub servers comprises: second means, as the performing means of the server system, for performing the learning process on at least the factor defining the predetermined process using a corresponding one of the groups of learning data and the first piece of the update data to generate a second piece of the update data for a corresponding one of the groups of learning data for updating at least the factor defining the predetermined process.