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- W1565356859 abstract "We test a segmentation algorithm based on calculating the Jensen–Shannon divergence between probability distributions, on two symbolic sequences of literary and musical origin. The first sequence represents the successive appearance of characters in a theatrical play, and the second represents the succession of tones from the twelve-tone scale in a keyboard sonata. The algorithm divides the sequences into segments of maximal compositional divergence between them. For the play, these segments are related to changes in the frequency of appearance of different characters and in the geographical setting of the action. For the sonata, the segments correspond to tonal domains and reveal in detail the characteristic tonal progression of such musical compositions. Natural systems store, retrieve, transmit, and exchange information by means of a wide variety of mechanisms. This diversity is apparent if we compare, for instance, the genetic code, a bird song, and a written text. Genetic information, which contains the instructions to build up proteins out of the chemical substrate inside living cells, is processed at the level of DNA molecules, involving chemical reactions and elementary quantum-mechanical interactions. At a much more macroscopic level, the elaboration, emission, and reception of a bird song—a courtship call, for instance—activates a series of intermingled processes which involve at least several regions of the brain, the vocal tract, and the ear. A written text, characteristic of some human languages, presupposes a conventional agreement for the symbolic representation of meaningful phoneme sets—the words. Information processing through written language always requires, to some extent, resorting to artificial humanmade tools, from pen and paper to computers. It is remarkable that, in spite of the essential differences in nature between the basic phenomena which sustain information processing in its various forms, some universal features can still be found to underlie the way in which information is organized in different systems. One of these features, directly related to the sequential character of" @default.
- W1565356859 created "2016-06-24" @default.
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- W1565356859 date "2007-01-01" @default.
- W1565356859 modified "2023-09-24" @default.
- W1565356859 title "Segmentation and Context of Literary and Musical Sequences" @default.
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