1. A computer system, comprising: at least one client computer including a processor, a memory, and an interface; at least one search engine coupled to the client computer via a network; and a management computer coupled to the client computer and the search engine, wherein the management computer is configured to: collect logs of access from the client computer; specify a parameter transferred from the client computer to an access destination of the client computer by analyzing the collected logs of access; judge whether the specified parameter is a search query; judge that an access including the parameter judged as the search query is an access to the search engine; select a log of access to the search engine from the collected logs of access; extract an address of the search engine and the search query from the selected log of access to the search engine; and store a correspondence between the extracted address of the search engine and the extracted search query in a search engine profile.