| 摘要 |
According to one embodiment, an embodiment of the present invention has following elements. A data file stores a plurality of pieces of destination information and a plurality of pieces of lexicon classification node information. The destination information indicates a region where a video is provided, and the lexicon classification node information indicates a concept of a music composition and is associated with one or more of the plurality of pieces of destination information. A retrieval module (a) retrieves proper lexicon classification node information to music composition concept, (b) extracts hit destination information corresponding to the retrieved lexicon classification node information, (c) executes the retrieval a plurality of times by changing the music composition concept and acquire proper hit destination information, and (d) outputs the proper hit destination information for acquisition of a video of a corresponding destination.
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