A utilização dos recursos educativos digitais- RED : na prática de ensino supervisionada no 1.º CEB

O presente artigo tem como objetivo refletir sobre o impacto das TIC em contexto educativo, focando os potenciais contributos da utilização dos Recursos Educativos Digitais (RED) no processo de ensino e de aprendizagem. Para o efeito, são apresentados os resultados da utilização do RED: Aula Digital - O Mundo da Carochinha 1.º Ano. O estudo foi concretizado numa turma do 1.° ano de escolaridade do 1.º CEB, constituída por 27 alunos, com idades e compreendidas entre os 6-7 anos, num Agrupamento de Escolas da Cidade de Castelo Branco, no âmbito da Prática de Ensino Supervisionada. Os resultados obtidos, após a análise e tratamento dos dados, permitiram concluir que ao utilizar este RED os alunos demonstraram terem adquirido os conteúdos abordados, pelo facto de se terem potenciado níveis de maior interesse, empenho, motivação, envolvimento e espírito de iniciativa no decorrer das atividades propostas. Porém, talvez pelo facto de serem alunos de 1º ano do 1º CEB, não descuram a presença e o acompanhamento da professora e a utilização de recursos em suporte papel. Quer isto dizer que deve haver uma complementaridade que concilie o fator humano (professora), com a utilização de recursos em suporte digital (RED) e recursos em suporte papel (Manual). Traduzindo, desta forma, uma rentabilização dos recursos pedagógicos conducentes a uma melhoria do processo de ensino e de aprendizagem.

Teoria da arte hacker : estética, diferença e transgressão tecnológica

Tese (doutorado)—Universidade de Brasília, Instituto de Artes, Departamento de Artes Visuais, Programa de Pós-Graduação em Arte, 2015.

AUDITORÍA DE LA GESTIÓN DE LOS RECURSOS DE INFORMACIÓN EN LA ESCUELA DE BIBLIOTECOLOGÍA, DOCUMENTACIÓN E INFORMACIÓN

La información vista hoy en día como un recurso estratégico para la organización, ha llevado a que se evalúe su gestión de la misma forma que se hace con los demás recursos que existen en la organización.Para esta evaluación se utiliza la Auditoría de información por ser una herramienta indispensable en aquellos procesos relacionados con la gestión de información.La presente investigación surge a raíz de la necesidad que plantea la Escuela de Bibliotecología, Documentación e Información de realizar una evaluación de los recursos de información que requiere para el cumplimiento de objetivos y toma de decisiones, a fin de determinar el nivel de la gestión de éstos por medio de la aplicación de una Auditoría de Información.El desarrollo de esta auditoría se hizo a través de varias fases, las cuales permitieron obtener como resultados:- La identificación de los recursos de información estratégicos que la Escuela requiere para desarrollarse adecuadamente, a partir del análisis de diferentes estructuras de información.- La descripción de cada uno de los recursos a fin de conocer todas sus características e importancia para la Escuela.- El conocer los diferentes flujos de información que se presentan en la Escuela.- Un análisis de la situación actual de los recursos, el balance informacional y la evaluación general de los recursos para determinar las fortalezas y debilidades presentes en su gestión.- La presentación de oportunidades de mejora que aplicadas oportunamente pueden contribuir a optimizar la gestión de los recursos.- Y finalmente presentar un propuesta para la gestión de uno de los recursos de información que presentó debilidad en su gestión.En términos generales, la aplicación de la auditoría de información en la Escuela fue muy pertinente y oportuna ya que permitió identificar y evaluar los recursos de información tal y como se espera en este tipo de proceso.

Geography, History and Natural Sciences: an interdisciplinary teaching approach with GIS

Geographic Information System (GIS) is a technology that deals with location to support better representations and decision making. It has a long tradition in several planning areas, such as urbanism, environment, riskiness, transportation, archeology or tourism. In academics context higher education has followed that evolution. Despite of their potentialities in education, GIS technologies at the elementary and secondary have been underused. Empowering graduates to learn with GIS and to manipulate spatial data can effectively facilitate the teaching of critical thinking. Likewise it has been recognized that GIS tools can be incorporated as an interdisciplinary pedagogical tool. Nevertheless more practical examples on how GIS tools can enhance teaching and learning process, namely to promote interdisciplinary approaches. The proposed paper presents some results obtained from the project “Each thing in its place: the science in time and space”. This project results from the effort of three professors of Geography, History and Natural Sciences in the context of Didactics of World Knowledge curricular unit to enhance interdisciplinarity through Geographic Information Technologies (GIT). Implemented during the last three years this action-research project developed the research practice using GIS to create an interdisciplinary attitude in the future primary education teachers. More than teaching GIS the authors were focused on teaching with GIS to create an integrated vision where spatial data representation linked the space, the time and natural sciences. Accumulated experience reveals that those technologies can motivate students to learn and facilitating teacher’s interdisciplinary work.

Editorial

The continuous emergence of new scenarios that provide access and availability of information, promote synergies compared to the transfer of data, breaking the traditional schemes for the promotion of universal freedom and development of world democracy.

Online Supplement to ‘Myopic Allocation Policy with Asymptotically Optimal Sampling Rate’

This document is the Online Supplement to ‘Myopic Allocation Policy with Asymptotically Optimal Sampling Rate,’ to be published in the IEEE Transactions of Automatic Control in 2017.

Relato integrado: utopia ou realidade

Dissertação apresentada para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Contabilidade e Finanças

Editorial

Los avances científicos y tecnológicos y su aplicación en las diferentes áreas del conocimiento han generado un creciente aumento de información; las nuevas tecnologías en la transferencia de información han creado una nueva era electrónica para accesarla de manera eficiente y rápida.

Crenças normativas e comportamentais e suas influências na intenção de adoção de um sistema de informação: um estudo na área de compras da UFPA

The study aims to identify the factors that influence the behavior intention to adopt an academic Information System (SIE), in an environment of mandatory use, applied in the procurement process at the Federal University of Pará (UFPA). For this, it was used a model of innovation adoption and technology acceptance (TAM), focused in attitudes and intentions regarding the behavior intention. The research was conducted a quantitative survey, through survey in a sample of 96 administrative staff of the researched institution. For data analysis, it was used structural equation modeling (SEM), using the partial least squares method (Partial Least Square PLS-PM). As to results, the constructs attitude and subjective norms were confirmed as strong predictors of behavioral intention in a pre-adoption stage. Despite the use of SIE is required, the perceived voluntariness also predicts the behavior intention. Regarding attitude, classical variables of TAM, like as ease of use and perceived usefulness, appear as the main influence of attitude towards the system. It is hoped that the results of this study may provide subsidies for more efficient management of the process of implementing systems and information technologies, particularly in public universities

Relación entre el uso efectivo de las TIC y las decisiones gerenciales en PYMES

El artículo se basa en los resultados del estudio exploratorio sobre Tecnologias de la Información de Comunicación (TIC) y las decisiones gerenciales en Pequeñas Y Medianas Empresas (PYMES), debido a los bajos factores de permanencia de estas empresas en el mercado como son: la aplicación ineficiente de modelos de comunicación interna y externa, el poco empleo de las TIC implementadas en las mismas, el uso inadecuado de paquetes informáticos y la subutilización de los servicios adicionales que prestan los operadores de internet; Además se logro determinar que al tener poca preparación administrativa el manejo del comportamiento organizacional es inoperante, todo lo anterior repercute en las decisiones gerenciales. Por lo cual, se desarrollo un análisis sobre aspectos gerenciales débiles, especialmente el flujo de la información y el empleo de las TIC, a través de una investigación cualitativa exploratoria que presenta como resultados una serie de posibles gestiones correctas a implementar y estrategias a diseñar para afrontar los Tratados de Libre Comercio (TLC) vigentes en Colombia. Por último, se presentan las ventajas de una eficiente comunicación por medio de medidas operativas e informáticas, mostrando algunas herramientas de gestión que se deben adoptar para mejorar productividad.

VOX POPULI: THREE ESSAYS ON THE USE OF SOCIAL MEDIA FOR VALUE CREATION IN SERVICES

Prior research shows that electronic word of mouth (eWOM) wields considerable influence over consumer behavior. However, as the volume and variety of eWOM grows, firms are faced with challenges in analyzing and responding to this information. In this dissertation, I argue that to meet the new challenges and opportunities posed by the expansion of eWOM and to more accurately measure its impacts on firms and consumers, we need to revisit our methodologies for extracting insights from eWOM. This dissertation consists of three essays that further our understanding of the value of social media analytics, especially with respect to eWOM. In the first essay, I use machine learning techniques to extract semantic structure from online reviews. These semantic dimensions describe the experiences of consumers in the service industry more accurately than traditional numerical variables. To demonstrate the value of these dimensions, I show that they can be used to substantially improve the accuracy of econometric models of firm survival. In the second essay, I explore the effects on eWOM of online deals, such as those offered by Groupon, the value of which to both consumers and merchants is controversial. Through a combination of Bayesian econometric models and controlled lab experiments, I examine the conditions under which online deals affect online reviews and provide strategies to mitigate the potential negative eWOM effects resulting from online deals. In the third essay, I focus on how eWOM can be incorporated into efforts to reduce foodborne illness, a major public health concern. I demonstrate how machine learning techniques can be used to monitor hygiene in restaurants through crowd-sourced online reviews. I am able to identify instances of moral hazard within the hygiene inspection scheme used in New York City by leveraging a dictionary specifically crafted for this purpose. To the extent that online reviews provide some visibility into the hygiene practices of restaurants, I show how losses from information asymmetry may be partially mitigated in this context. Taken together, this dissertation contributes by revisiting and refining the use of eWOM in the service sector through a combination of machine learning and econometric methodologies.

Catálogo de Serviços de TI

As Tecnologias de Informação são responsáveis pelas transformações que vivemos, pois permitiram a construção de um mundo global, quebraram fronteiras, gerando conhecimento de uma forma cada vez mais rápida o que levanta enormes desafios às organizações. Estas transformações originam a necessidade de as organizações procurarem soluções e inovarem o seu modelo de estratégia organizacional, para conseguirem sobreviver e agregarem valor ao negócio. As Tecnologias de Informação são parte integrante nos processos das empresas, levando à necessidade de estarem alinhados com a estratégia de Governance, procurando aumentar a confiabilidade das suas operações e o presente trabalho aborda a adoção das melhores práticas das frameworks orientadas para esta área nomeadamente o COBIT 5, a ITIL V3, introduzindo os conceitos de Governance de TI e Gestão de TI. A Design Science Research foi a metodologia de investigação adotada, pois permite a construção e operacionalização de artefactos para os SI e encontrar uma solução para a construção de um Catálogo de Serviços como fator diferenciador para o negócio. Para a construção de um Catálogo de Serviços, é proposto um método baseado nas melhores práticas para a área dos Sistemas de informação, em que este passa a ser o principal ponto de contacto, permitindo o registo dos pedidos, mas também a definição de tempos de resposta, custos, faturação de serviços e ainda a construção de um repositório de conhecimento. São definidos os processos que se consideram mais relevantes, são propostos artefactos para a construção do catálogo, é efetuada a modelação em BPMN dos processos inerentes ao registo de pedidos, pois desta forma facilita o entendimento, bem como a sua implementação.

Why intelligent travel system is a good organizing trips tool for Polish tourists?

Paper based on the report for the unit on “Sociology of New Information Technologies” at the MSc Industrial Management and Engineering at the Universidade Nova Lisbon, Faculty of Sciences and Technology, under supervision of Prof. António B. Moniz. The report had the support from the ERASMUS program.

O desenvolvimento da competência comunicativa intercultural de surdos aprendizes de inglês : a internet como meio

Dissertação (mestrado)—Universidade de Brasília, Instituto de Letras, Departamento de Línguas Estrangeiras e Tradução, Programa de Pós-Graduação em Linguística Aplicada, 2015.

Essays on Supply Chain Finance

I study how a larger party within a supply chain could use its superior knowledge about its partner, who is considered to be financially constrained, to help its partner gain access to cheap finance. In particular, I consider two scenarios: (i) Retailer intermediation in supplier finance and (ii) The Effectiveness of Supplier Buy Back Finance. In the fist chapter, I study how a large buyer could help small suppliers obtain financing for their operations. Especially in developing economies, traditional financing methods can be very costly or unavailable to such suppliers. In order to reduce channel costs, in recent years large buyers started to implement their own financing methods that intermediate between suppliers and financing institutions. In this paper, I analyze the role and efficiency of buyer intermediation in supplier financing. Building a game-theoretical model, I show that buyer intermediated financing can significantly improve supply chain performance. Using data from a large Chinese online retailer and through structural regression estimation based on the theoretical analysis, I demonstrate that buyer intermediation induces lower interest rates and wholesale prices, increases order quantities, and boosts supplier borrowing. The analysis also shows that the retailer systematically overestimates the consumer demand. Based on counterfactual analysis, I predict that the implementation of buyer intermediated financing for the online retailer in 2013 improved channel profits by 18.3%, yielding more than $68M projected savings. In the second chapter, I study a novel buy-back financing scheme employed by large manufacturers in some emerging markets. A large manufacturer can secure financing for its budget-constrained downstream partners by assuming a part of the risk for their inventory by committing to buy back some unsold units. Buy back commitment could help a small downstream party secure a bank loan and further induce a higher order quantity through better allocation of risk in the supply chain. However, such a commitment may undermine the supply chain performance as it imposes extra costs on the supplier incurred by the return of large or costly-to-handle items. I first theoretically analyze the buy-back financing contract employed by a leading Chinese automative manufacturer and some variants of this contracting scheme. In order to measure the effectiveness of buy-back financing contracts, I utilize contract and sales data from the company and structurally estimate the theoretical model. Through counterfactual analysis, I study the efficiency of various buy-back financing schemes and compare them to traditional financing methods. I find that buy-back contract agreements can improve channel efficiency significantly compared to simple contracts with no buy-back, whether the downstream retailer can secure financing on its own or not.