METHOD AND SYSTEM FOR GENERATING A USER MUSIC TASTE DATABASE, METHOD FOR SELECTING A PIECE OF MUSIC FOR RECOMMENDATION, MUSIC PIECE SELECTION SYSTEM AND DATA PROCESSING SYSTEM

摘要

Generating a user music taste database, comprising determining, as a first count, a number of appearances of a selected classification identifier of classification identifiers in a user specific first set of music identifiers, wherein the classification identifiers are attributed to the music identifiers in the first set of music identifiers and determining, by the circuitry, as a second count, a number of appearances of the selected classification identifier in a second set of music identifiers, wherein classification identifiers are attributed to the music identifiers in the second set of music identifiers. A classification identifier related to the selected classification identifier is stored in an expertise list in the user music taste database, if a value determined from setting the first count and the second count in relation to each other is equal to or larger than a predetermined expertise level threshold value.