| 摘要 |
A method of maintaining a database comprising a fingerprint of and an associated set of metadata for each of a number of multimedia objects. Respective portions ( 201, 202, 203, 204, 205 ) of the database are distributed over respective file sharing clients ( 101 - 105 ) connected to a file sharing network ( 100 ) arranged for sharing said number of multimedia objects. File sharing clients ( 101 - 105 ) can maintain their own respective portions ( 201 - 205 ) of the database, or transmit fingerprints and metadata to another file sharing client. In the latter case, the other file sharing client is preferably a supermode in the file sharing network ( 100 ).
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