31 research outputs found

    A Bayesian Ensemble Regression Framework on the Angry Birds Game

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    An ensemble inference mechanism is proposed on the Angry Birds domain. It is based on an efficient tree structure for encoding and representing game screenshots, where it exploits its enhanced modeling capability. This has the advantage to establish an informative feature space and modify the task of game playing to a regression analysis problem. To this direction, we assume that each type of object material and bird pair has its own Bayesian linear regression model. In this way, a multi-model regression framework is designed that simultaneously calculates the conditional expectations of several objects and makes a target decision through an ensemble of regression models. Learning procedure is performed according to an online estimation strategy for the model parameters. We provide comparative experimental results on several game levels that empirically illustrate the efficiency of the proposed methodology.Comment: Angry Birds AI Symposium, ECAI 201

    Spatiotemporal interaction of optical beams in bi-dispersive media

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    The interaction of optical beams in bi-dispersive nonlinear media with self-focusing nonlinearity is numerically investigated. Under proper conditions, the interaction of spatially separated beams can lead to the creation of two prominent filaments along the other spatial or temporal dimension and, thus to an effective beam exchange. This X-wave generation-based effect could potentially be exploited in optical realizations of spatial or spatio-temporal filtering

    Biaxial seismic response of base-column connections in sub-standard steel buildings: dataset

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    Existing steel frames not complying with modern seismic codes are often vulnerable to earthquakes due to inadequate seismic detailing. These types of framed structures typically feature semi-rigid and partial strength column-base connections; the behaviour of such connections may significantly affect their seismic performance. However, current code provisions offer limited guidance for the assessment and retrofit of column-base connections To fill the knowledge gap, the H2020 EU-funded Earthquake Assessment of Base-Column Connections in Existing Steel Frames (HITBASE) project experimentally investigated, the response of exposed column-base plate connections. Bi-directional Pseudo-Dynamic tests were carried out at the Structures Laboratory (STRULAB) of the University of Patras within the framework of Engineering Research Infrastructures for European Synergies (ERIES). The case-study steel frame featured two types of column-base plate connections, i.e., stiffened and unstiffened, representing respectively the base connections of an external moment-resisting frame and an internal gravity frame. The experimental programme comprised free vibration tests to identify the modal properties of the sample steel frame. A set of quasi-static cyclic tests and Pseudo-Dynamic tests were then carried out to investigate the performance of the steel frame under bi-directional earthquake sequences. The response of each component constituting the column-base plate connections was monitored during the tests to fully capture the behaviour of the connections. Such experimental results allow model calibration and further parametric investigation on column base plate connections.</ns3:p

    Corrigendum: Quality of life and quality of education among physiotherapy students in Europe

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    Funding: The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This research was supported by the National Medical Research Council (NMRC) through the SingHealth PULSES II Centre Grant (CG21APR1013). The funder was not involved in the study design, collection, analysis, interpretation of data, the writing of this article or the decision to submit it for publication.Introduction: Physiotherapy education varies worldwide, with some countries offering on-the-job training while others have bachelor’s or master’s degree programs. There are also differences in postgraduate education across Europe (1). Teaching techniques to future physiotherapists also present challenges due to variations in learning styles and attitudes towards clinical-practical teaching. National universities and their faculties can differ in various ways, and health systems and policies impact rehabilitation and physiotherapy methods, too. There is a limited number of empirical studies comparing the experience of physiotherapy students at different institutions (2–4), highlighting the variations in physiotherapy education worldwide (5, 6). In this study, we focused on the comparison of bachelor’s degree programs in physiotherapy in Europe.info:eu-repo/semantics/publishedVersio

    Spatio-Temporal Reallocation And Evolution Patterns Of Interacting Beams In Nonlinear Bi-Dispersive Media

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    Beam interactions in nonlinear bi-dispersive media are studied and the spatio-temporal reallocation of beams is investigated, in order to transform an initial space separation of beams to a certain time separation. © 2005 Optical Society of America

    Spatiotemporal X Waves In Highly Nonlinear Optical Systems

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    The formation of spatiotemporal X waves is investigated in planar highly nonlinear normally dispersive AlGaAs waveguides. The roles of the amplitude and relative phase of a CW background on a bell-shaped spatiotemporal beam are considered. ©2005 Optical Society of America

    Spatiotemporal X Waves In Highly Nonlinear Optical Systems

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    The formation of spatiotemporal X waves is investigated in planar highly nonlinear normally dispersive AlGaAs waveguides. The roles of the amplitude and relative phase of a CW background on a bell-shaped spatiotemporal beam are considered. © 2005 Optical Society of America

    Spatiotemporal X Waves In Highly Nonlinear Optical Systems

    No full text
    The formation of spatiotemporal X waves is investigated in planar highly nonlinear normally dispersive AlGaAs waveguides. The roles of the amplitude and relative phase of a CW background on a bell-shaped spatiotemporal beam are considered. © 2005 Optical Society of America

    Spatio-Temporal Reallocation And Evolution Patterns Of Interacting Beams In Nonlinear Bi-Dispersive Media

    No full text
    Beam interactions in nonlinear bi-dispersive media are studied and the spatio-temporal reallocation of beams is investigated, in order to transform an initial space separation of beams to a certain time separation. © 2005 Optical Society of America
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