El camino mexicano hacia el regionalismo abierto: los acuerdos de libre comercio de México con América del Norte y Europa

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O regionalismo pós-liberal, na América do Sul: origens, iniciativas e dilemas

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La integración comercial andina en el contexto del segundo regionalismo latinoamericano

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New trends in musical genre classification using optimum-path forest

Musical genre classification has been paramount in the last years, mainly in large multimedia datasets, in which new songs and genres can be added at every moment by anyone. In this context, we have seen the growing of musical recommendation systems, which can improve the benefits for several applications, such as social networks and collective musical libraries. In this work, we have introduced a recent machine learning technique named Optimum-Path Forest (OPF) for musical genre classification, which has been demonstrated to be similar to the state-of-the-art pattern recognition techniques, but much faster for some applications. Experiments in two public datasets were conducted against Support Vector Machines and a Bayesian classifier to show the validity of our work. In addition, we have executed an experiment using very recent hybrid feature selection techniques based on OPF to speed up feature extraction process. © 2011 International Society for Music Information Retrieval.

Multilateralismo y regionalismo en la integración de América Latina

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Regionalismo abierto e inversión extranjera en América Latina

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Regionalismo abierto y regionalismo virtual

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El nuevo regionalismo" y el Area de Libre Comercio de las Américas: un enfoque menos indulgente"

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El regionalismo abierto y la integración económica

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The effects of different styles of musical auditory stimulation on cardiac autonomic regulation in healthy women

The literature investigated the effects of chronic baroque music auditory stimulation on the cardiovascular system. However, it lacks in the literature the acute effects of different styles of music on cardiac autonomic regulation. To evaluate the acute effects of baroque and heavy metal music on heart rate variability (HRV) in women. The study was performed in 21 healthy women between 18 and 30 years old. We excluded persons with previous experience with music instrument and those who had affinity with the song styles. All procedures were performed in the same sound-proof room. We analyzed HRV in the time (standard deviation of normal-to-normal respiratory rate (RR) intervals, root-mean square of differences between adjacent normal RR intervals in a time interval, and the percentage of adjacent RR intervals with a difference of duration greater than 50 ms) and frequency (low frequency [LF], high frequency [HF], and LF/HF ratio) domains. HRV was recorded at rest for 10 min. Subsequently they were exposed to baroque or heavy metal music for 5 min through an earphone. After the first music exposure they remained at rest for more 5 min and them they were exposed again to baroque or heavy metal music. The sequence of songs was randomized for each individual. The power analysis provided a minimal number of 18 subjects. Shapiro-Wilk to verify normality of data and analysis of variance for repeated measures followed by the Bonferroni test for parametric variables and Friedman's followed by the Dunn's post-test for non-parametric distributions. During the analysis of the time-domain indices were not changed. In the frequency-domain analysis, the LF in absolute units was reduced during the heavy metal music stimulation compared to control. Acute exposure to heavy metal music affected the sympathetic activity in healthy women.

Bodas de Sangue, de Carlos Saura: releitura do musical clássico

Pós-graduação em Artes - IA

El regionalismo abierto: América Latina y el Caribe en la economía internacional = Open regionalism: Latin America and the Caribbean in the global economy

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As contribuições da ciência cognitiva à composição musical

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

El regionalismo abierto en América Latina y el Caribe: la integración económica al servicio de la transformación productiva con equidad = Open regionalism in Latin America and the Caribbean: economic integration as a contribution to changing production patterns with social equity

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