To provide a method which executes online commercial transaction on a computer base on which a client computer issues a group of correlated commercial requests and each of plural server computers can be used to perform service of at least one of the requests.

This method is carried out by an intelligent agent and includes a step which receives a group of correlated commercial requests from a client computer 1 and a step which uses a client priority level that shows at least one ideal value the client wants the agent to use for each request in order to find a server that satisfies the request and finds a server that satisfies the group of requests. The finding step further uses a client significance level that shows relative significance of the request to the other requests in the group for the corresponding request.