PORTLETIZATION SUPPORT SYSTEM, APPARATUS, METHOD, AND PROGRAM

A portletization support system for supporting portletization of a web application accompanied by plural of screen displays includes: an information storing device that stores screen information of the web application and link information for showing links between screens; a receiving device that receives necessity/non necessity information for showing whether a predetermined screen is necessary or not in accordance with the input operation of the creator; and a necessity/non necessity judgment device that judges whether a screen displayed by the web application is necessary or not on the basis of the screen information and the link information the information storing device stores and the necessity/non necessity information that the receiving device receives.