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        Building Phrase Polarity Lexicons for Sentiment Analysis 

        Dehkharghani, Rahim
        Many approaches to sentiment analysis benefit from polarity lexicons. Most polarity lexicons include a list of polar (positive/negative) words, and sentiment analysis systems attempt to capture the occurrence of those words ...

        On Polar Foliations and the Fundamental Group 

        ALEXANDRINO, Marcos M. (BIRKHAUSER VERLAG AG, 2011)
        In this work we investigate the relation between the fundamental group of a complete Riemannian manifold M and the quotient between the Weyl group and reflection group of a polar action on M, as well as the relation between ...

        Presentación de la asignatura: Cónicas con coordenadas polares 

        Quispe Estrada, Misael (Universidad Continental, 2018)

        Ecuaciones polares de las cónicas 

        Ruiz Nuñez, Jhonny (Universidad Continental, 2018)

        Polarity effects in unsupported polar nanoribbons 

        Güller, Francisco; Llois, Ana Maria; Goniakowski, J.; Noguera, C. (American Physical Society, 2013-05)
        We analyze the characteristics of polarity in unsupported nanoribbons with zigzag edges, by a combination of analytic models, semiempirical Hartree-Fock simulations, and first-principles approach. We consider two materials ...

        Polar foliations and isoparametric maps 

        Alexandrino, Marcos M. (SPRINGERDORDRECHT, 2012-02)
        A singular Riemannian foliation F on a complete Riemannian manifold M is called a polar foliation if, for each regular point p, there is an immersed submanifold Sigma, called section, that passes through p and that meets ...

        Polar caps during geomagnetic polarity reversals 

        Zossi, Bruno Santiago; Fagre, Mariano; Amit, Hagay; Elias, Ana Georgina (Wiley Blackwell Publishing, Inc, 2019-02)
        Changes in the Earth’s magnetic field can deeply modify the polar caps and auroral zones, which are the regions of most frequent precipitation of energetic particles. The present field is characterized by a dominant dipole ...

        Stabilization of linear ion beam right-hand polarized instabilities by nonlinear Alfvén/ion-cyclotron waves 

        Gomberoff, L. (Blackwell Publishing Ltd, 2003)
        It is shown that ion-beam plasma electromagnetic right-hand polarized instabilities can be stabilized by nonlinear left-hand polarized waves. This phenomenon constitutes a nonlinear saturation mechanism for right-hand ...

        Oso Polar 

        Grant, Álvaro (2014)
        El tema de este recurso es la locomoción animal del oso polar. Se trata de un interactivo para que el usuario pueda entender cómo se desplaza este animal.

        Measuring the continuum polarization with ESPaDOnS 

        Pereyra, Antonio; Rodrigues, C. V.; Martioli, E. (European Southern Observatory, 2015)
        Aims. Our goal is to test the feasibility of obtaining accurate measurements of the continuum polarization from high-resolution spectra using the spectropolarimetric mode of ESPaDOnS. Methods. We used the new pipeline OPERA ...
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        Red de Repositorios Latinoamericanos
        + of 7.000.000
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        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Red de Repositorios Latinoamericanos | 2006-2018