PROBLEM TO BE SOLVED : To improve a contract success rate and to efficiently execute real estate agency operation by attaining optimum connection between a customer and a property.SOLUTION : Property data inputted by a property data input means A are stored in a property data storing means B and customer data including the name of a customer and desired conditions inputted by a customer data input means C are stored in a customer data storing means D. Then, a property specified by a property specifying means E or a property newly inputted by the property data input means A is set as an objective property, an expected customer candidate extracting means F retrieves customer data stored in the storing means D and extracts expected customer candidates whose desired conditions almost coincide with the objective property, and an expected customer registering means H registers an expected customer specified by an expected customer specifying means G from the expected customer candidates as an expected customer for the objective property.COPYRIGHT : (C)2006, JPO&NCIPI