Patent ID: 7007022

Claim:
A digital data searching apparatus, comprising: a data storage device which stores a plurality of digital data, and first attribute data and second attribute data representing conditions on which the plurality of digital data are respectively created in correspondence; a first classifier which classifies the plurality of digital data into i sets (i is an integer of 2 or larger) based on their respective first attribute data; a second classifier which classifies the plurality of digital data into j sets (j is an integer of 2 or larger) based on their respective second attribute data; a first selector which selects a set from the i sets; a second selector which selects a set from the j sets; an extractor which calculates a product set of the set selected by the first selector and the set selected by the second selector; and a display controller which is communicatable with a display device for displaying an image, and controls the display device to display digital data included in the product set.