78 research outputs found

    University of Maine Undergraduate Catalog, 2022-2023

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    The University of Maine undergraduate catalog for the 2022-2023 academic year includes an introduction, the academic calendars, general information about the university, and sections on attending, facilities and centers, and colleges and academic programs including the Colleges of Business, Public Policy and Health, Education and Development, Engineering, Liberal Arts and Sciences, and Natural Sciences, Forestry and Agriculture

    Método de reducción de incertidumbre basado en algoritmos evolutivos y paralelismo orientado a la predicción y prevención de desastres naturales

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    La presente tesis doctoral aborda la problemática de la incertidumbre existente en todo sistema de predicción, focalizando en el desarrollo de métodos de reducción de incertidumbre aplicados a la predicción de fenómenos naturales. Debido a que estos fenómenos suelen causar gran impacto en las comunidades, la flora y la fauna, el ecosistema, entre otros, los sistemas de predicción deben proporcionar respuesta en el menor tiempo posible. Por estos motivos, los métodos propuestos han sido desarrollados utilizando capacidades de alto rendimiento. El primer método desarrollado en esta tesis (ESS-IM), comenzó con el objetivo de lograr una mejora a una metodología previamente desarrollada denominada ESS (Sistema Estadístico Evolutivo). Específicamente se trabajó en el incremento del paralelismo de la metaheurística interna, incorporando una arquitectura basada en modelo de islas bajo un esquema de migración. Este desarrollo logró incrementar la capacidad de búsqueda de la metaheurística interna, impactando de forma directa en un incremento en la calidad de predicción del método. En la validación, ESS-IM fue aplicado en una serie de casos de quemas controladas e incendios forestales. Es importante destacar que, en forma conjunta, al desarrollo de la tesis, se llevaron a cabo diferentes investigaciones complementarias, tales como: estudios de sintonización de parámetros, desarrollo de un sistema de generación de mapas de incendios forestales a partir de imágenes satelitales, entre otros. Finalmente, en la última etapa de la tesis, se implementó una versión híbrida basada en metaheurísticas evolutivas bajo una estrategia colaborativa basada en islas. El método HESS-IM, se implementó de forma heterogénea (a nivel de hardware), logrando que los resultados obtenidos incrementen la calidad de predicción y eficiencia del método.Tesis doctoral de la Universidad Nacional de San Luis. Grado alcanzado: Doctor en Ciencias Informáticas. Director de tesis: Germán Bianchini. La tesis, presentada en el año 2020, obtuvo el Premio "Dr. Raúl Gallard" en el 2021.Red de Universidades con Carreras en Informátic

    Assuming Data Integrity and Empirical Evidence to The Contrary

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    Background: Not all respondents to surveys apply their minds or understand the posed questions, and as such provide answers which lack coherence, and this threatens the integrity of the research. Casual inspection and limited research of the 10-item Big Five Inventory (BFI-10), included in the dataset of the World Values Survey (WVS), suggested that random responses may be common. Objective: To specify the percentage of cases in the BRI-10 which include incoherent or contradictory responses and to test the extent to which the removal of these cases will improve the quality of the dataset. Method: The WVS data on the BFI-10, measuring the Big Five Personality (B5P), in South Africa (N=3 531), was used. Incoherent or contradictory responses were removed. Then the cases from the cleaned-up dataset were analysed for their theoretical validity. Results: Only 1 612 (45.7%) cases were identified as not including incoherent or contradictory responses. The cleaned-up data did not mirror the B5P- structure, as was envisaged. The test for common method bias was negative. Conclusion: In most cases the responses were incoherent. Cleaning up the data did not improve the psychometric properties of the BFI-10. This raises concerns about the quality of the WVS data, the BFI-10, and the universality of B5P-theory. Given these results, it would be unwise to use the BFI-10 in South Africa. Researchers are alerted to do a proper assessment of the psychometric properties of instruments before they use it, particularly in a cross-cultural setting

    Symmetric and Asymmetric Data in Solution Models

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    This book is a Printed Edition of the Special Issue that covers research on symmetric and asymmetric data that occur in real-life problems. We invited authors to submit their theoretical or experimental research to present engineering and economic problem solution models that deal with symmetry or asymmetry of different data types. The Special Issue gained interest in the research community and received many submissions. After rigorous scientific evaluation by editors and reviewers, seventeen papers were accepted and published. The authors proposed different solution models, mainly covering uncertain data in multicriteria decision-making (MCDM) problems as complex tools to balance the symmetry between goals, risks, and constraints to cope with the complicated problems in engineering or management. Therefore, we invite researchers interested in the topics to read the papers provided in the book

    Renewable Energies for Sustainable Development

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    In the current scenario in which climate change dominates our lives and in which we all need to combat and drastically reduce the emission of greenhouse gases, renewable energies play key roles as present and future energy sources. Renewable energies vary across a wide range, and therefore, there are related studies for each type of energy. This Special Issue is composed of studies integrating the latest research innovations and knowledge focused on all types of renewable energy: onshore and offshore wind, photovoltaic, solar, biomass, geothermal, waves, tides, hydro, etc. Authors were invited submit review and research papers focused on energy resource estimation, all types of TRL converters, civil infrastructure, electrical connection, environmental studies, licensing and development of facilities, construction, operation and maintenance, mechanical and structural analysis, new materials for these facilities, etc. Analyses of a combination of several renewable energies as well as storage systems to progress the development of these sustainable energies were welcomed

    Leading Towards Voice and Innovation: The Role of Psychological Contract

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    Background: Empirical evidence generally suggests that psychological contract breach (PCB) leads to negative outcomes. However, some literature argues that, occasionally, PCB leads to positive outcomes. Aim: To empirically determine when these positive outcomes occur, focusing on the role of psychological contract (PC) and leadership style (LS), and outcomes such as employ voice (EV) and innovative work behaviour (IWB). Method: A cross-sectional survey design was adopted, using reputable questionnaires on PC, PCB, EV, IWB, and leadership styles. Correlation analyses were used to test direct links within the model, while regression analyses were used to test for the moderation effects. Results: Data with acceptable psychometric properties were collected from 11 organisations (N=620). The results revealed that PCB does not lead to substantial changes in IWB. PCB correlated positively with prohibitive EV, but did not influence promotive EV, which was a significant driver of IWB. Leadership styles were weak predictors of EV and IWB, and LS only partially moderated the PCB-EV relationship. Conclusion: PCB did not lead to positive outcomes. Neither did LS influencing the relationships between PCB and EV or IWB. Further, LS only partially influenced the relationships between variables, and not in a manner which positively influence IWB

    Request for proposals final with addendum 5 : Carolina Crossroads Phase 1 – Colonial Life Blvd. at I-126 Interchange design - build project project ID P039718 Richland and Lexington clounties Sept. 1, 2020

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    The purpose of this Request for Proposals (RFP) is to select a Proposer to construct a new exit ramp to US 378 from I-26 eastbound and associated interstate widening in Lexington County and a full access interchange at Colonial Life Boulevard at I-126 in Richland County
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