Pattern grammars

Bernard Bel

Pattern gram­mars in for­mal rep­re­sen­ta­tions of musi­cal struc­tures. 11th International Joint Conference on Artificial Intelligence, Workshop on AI & Music, 20 August 1989, pp.113-42


This paper intro­duces sev­er­al for­mal mod­els of pat­tern rep­re­sen­ta­tion in music. Polyvalent mul­ti­modal gram­mars describe par­tial­ly over­lap­ping sound events as found in poly­phon­ic struc­tures. Bol Processor gram­mars are char­ac­ter­i­sa­tions of sequen­tial events in terms of sub­string rep­e­ti­tions, homo­mor­phisms, etc. Parsing tech­niques, sto­chas­tic pro­duc­tion and recent devel­op­ments of BP gram­mars are briefly described.

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