| 摘要 |
A musical information retrieval system, for providing pieces of musical information to a user, is equipped with a relative difference analyzer for improvement of an average access time period even if the user is not familiar with an electronic processing system, and the relative difference analyzer comprises an input unit for providing a key word representative of a piece of identifying information indicative of an attribute of a musical composition, a data file including a plurality of books respectively having index records for storing respective pieces of musical attributive catalog information and detail data records for storing respective pieces of detailed musical data information associated with the pieces of detailed musical data information, respectively, an analyzer for searching the index records for candidates each partially identical with the piece of identifying information but partially different from the piece of identifying information, and a displaying unit for indicating the relative differences, if any.
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