Abstract: An example embodiment includes a neural network unit to which a plurality of element values based on learning target data are input, and a learning unit that trains the neural network unit. The neural network unit has a plurality of learning cells each including a plurality of input nodes that perform predetermined weighting on each of the plurality of element values and an output node that sums the plurality of weighted element values and outputs the sum, and in accordance with an output value of each of the learning cells, the learning unit updates weighting coefficients of the plurality of input nodes of each of the learning cells or adds a new learning cell to the neural network unit.

Abstract: An example embodiment includes a neural network unit to which a plurality of element values based on learning target data are input, and a learning unit that trains the neural network unit. The neural network unit has a plurality of learning cells each including a plurality of input nodes that perform predetermined weighting on each of the plurality of element values and an output node that sums the plurality of weighted element values and outputs the sum, and in accordance with an output value of each of the learning cells, the learning unit updates weighting coefficients of the plurality of input nodes of each of the learning cells or adds a new learning cell to the neural network unit.

Abstract: A system for performing transactions of securities is composed of a customer terminal, a securities sales system, a securities transaction system, an account management system, and a network. The customer sends transaction order information and account indication information to the securities sales system. The transaction order information indicates a customer-requested transaction. The account indication information being indicates a customer account for which the customer-requested transaction is to be requested. The securities sales system transfers the transaction order information to the securities transaction system. The securities transaction system performs a transaction in response to the transaction order information, and sends transaction result information indicative of the performed transaction to the securities sales system.