Patent ID: 8281257

Claim:
A data display apparatus comprising: a display unit operable to hierarchically display a plurality of folders; a management unit operable to manage information of the number of lowermost layer folders associated with each of the plurality of folders and of data included in each of the plurality of folders and to manage history information of data operations for data included in one of the plurality of folders; a determination unit operable to, when said display unit displays each of the plurality of folders, determine to integrally display a plurality of lower folders involving the lowermost layer folders included under the folder as an integrated folder, when the number of the lowermost layer folders under the folder is not more than a first predetermined threshold and to calculate, for each folder, a frequency of data operations based on the history information data operations, to detect a lower folder, for which the frequency calculated for each folder exceeds a second predetermined threshold, sequentially from the folder to be displayed to a folder of a lower layer, and to determine to integrally display folders included in layers from the folder to be displayed to the detected lower folder; and a control unit operable to control to cause said display unit to perform integral display using the integrated folder when said determination unit has determined to perform the integral display.