Cultured pearls can be produced both with and without a nucleus. Marine pearl oysters that produce Akoya, South Sea and Tahitian cultured pearls typically use nuclei for their pearl products. The nucleus material used for these beaded cultured pearls is traditionally from freshwater Mississippi mussels. In recent years, there have been a number of attempts to use alternative pearl and shell mat...

The increasing popularity of game modeling in international relations theory has fostered a tendency toward theoretical elegance to the detriment of empirical concerns. In this article attention is focused on the empirical implications of a series of choices that users of game theory must make when they model social interactions. In particular, possible tradeoffs between theoretical complexity ...

We propose a new method for rhythm quantisation and measurement of expressive timing. This paper focuses on the automatic quantisation and rhythmic transcription of syncopated rhythms and baroque ornaments, e.g. appogiaturas, mordants and trills from time-tagged audio recordings without knowing the score in advance. We demonstrate the transcription of the Aria of J. S. Bach’s Goldberg Variation...