Complexity Analysis of Instrumental Performance based on Ontology Structure for Music Selection
This paper analyzes the complexity of guitar renditions for learners. We have been developing a domain ontology called the Guitar Rendition Ontology (GRO). GRO structurally describes the actual actions of a classical guitar techniques for sharing information and learning the guitar. These descriptions can
be used to provide valid information on music for selecting music. Therefore, we first improved GRO because the several renditions lacked of detailed descriptions. Then, we investigated what types of renditions appear in five existing etude books. After that, we analyzed indicators of the complexity of renditions using the GRO’s classes and properties. Furthermore, we attempted to calculate the difficulty of each etude by implementing a novel analysis using TF-IDF and our complexity indicators. Experimental results suggested that the difficulty value of an etude corresponds to the creator’s subjectivity...
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