Technology for controlling the display of objects

A system and method for controlling display of objects, the system including a storage device, a calculator and a display. The storage device stores attribute values of different users respectively assigned a plurality of displayed objects. The displayed objects are each displayed in a form modified according to an operation by the corresponding user. The calculator calculates an index value indicating the intensity of a relationship between a first displayed object operated by a first user and a second displayed object operated by a second user, on the basis of the attribute values respectively corresponding to the first and second displayed objects. The display displays, on a screen of the first user, the second displayed object distinguishably in terms of the intensity of the relationship according to the calculated index value.