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HARP: a system for intelligent composer's assistance

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4 Author(s)
A. Camurri ; Dept. of Commun., Comput. & Syst. Sci., Genoa Univ., Italy ; C. Canepa ; M. Frixione ; R. Zaccaria

HARP (Hybrid Action Representation and Planning), a prototype high-level system for computer-aided composition, is introduced. HARP represents and manipulates music knowledge using a twofold formalism. An object-oriented concurrent environment, the analogical subsystem, provides procedures to manage the sound itself (samples, codes, and algorithms) and particular analysis processes. The symbolic subsystem, a declarative symbolic environment, stores higher level scores, composition rules, definitions in general, and descriptions of pieces of music. The symbolic subsystem is based on a multiple-inheritance semantic network formalism derived from KL-One. The HARP knowledge base, system interface, and reasoning mechanisms are discussed. An important set of analogical descriptions in HARP, based on the metaphor of force fields, is examined.<>

Published in:

Computer  (Volume:24 ,  Issue: 7 )