EXTRACTING SEMANTIC INFORMATION FROM AN ONLINE CARNATIC MUSIC FORUM Mohamed Sordo1, Joan Serra`2, Gopala K. Koduri1 and Xavier Serra1 1 Music Technology Group, Universitat Pompeu Fabra, Barcelona, Spain. 2 Artificial Intelligence Research Institute (IIIA-CSIC), Bellaterra, Barcelona, Spain. {mohamed.sordo,gopala.koduri,xavier.serra}@upf.edu,
[email protected] ABSTRACT active community. The music lovers of Carnatic music are known as rasikas 1 , and their involvement in music related By mining user-generated text content we can obtain music- activities and events is fundamental for the preservation related information that could not otherwise be extracted and evolution of this music. Interestingly, the interactions from audio signals or symbolic score representations. In between artists and rasikas can influence the evolution of this paper we propose a methodology for extracting the music concepts in the tradition. For instance, raagas 2 , music-related semantic information from an online often described as collections of phrases, evolve over time discussion forum, rasikas.org, dedicated to the Carnatic (hence, it is often said that a given raaga today is not the music tradition. We first define a dictionary of relevant same as it was a hundred years ago). When a performer terms within categories such as raagas, taalas, performers, experiments with a new phrase, rasikas respond to show composers, and instruments, and create a complex network their appreciation if they believe that the phrase enriched representation by matching such dictionary against the fo- their experience of the raaga. rum posts. This network representation is used to iden- Websites and online forums have become very relevant tify popular terms within the forum, as well as relevant venues with which to support and sustain the Carnatic mu- co-occurrences and semantic relationships.