| 摘要 |
PROBLEM TO BE SOLVED: To retrieve music having a mood similar to that of specified music. SOLUTION: The music retrieval device comprises a music data storing means for storing a plurality of pieces of music data including lyric data of music, a word extracting means for extracting a prescribed word by dividing the lyric data into word units, a weighting factor calculating means for calculating the weighting factor indicating the frequency in the use of the word extracted by the word extracting means in each music, and a score calculating means for calculating the coordinate value for arranging each music in an information space using the weighting factor. COPYRIGHT: (C)2007,JPO&INPIT
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