| 摘要 |
A data storage apparatus includes a data storage unit which stores digital data; a metadata storage unit which stores metadata regarding a plurality of categories for a plurality of pieces of digital data including the digital data stored in the data storage unit; a search criterion input unit which receives at least one category which is a search criterion, from among the plurality of categories; a list sorting unit which sorts a list of the plurality of pieces of digital data on the basis of item values of the at least one search category; a list display unit which displays the list of digital data; a selection input unit which receives a selected one piece of digital data selected by a user, from among the list of digital data. Accordingly, the user can easily and quickly search for his or her desired data.
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