557 resultados para Assignments


Relevância:

10.00% 10.00%

Publicador:

Resumo:

Web-based course management and delivery is regarded by many institutions as a key factor in an increasingly competitive education and training world, but the systems currently available are largely unsatisfactory in terms of supporting collaborative work and access to practical science facilities. These limitations are less important in areas where “pen-and-paper” courseware is the mainstream, but become unacceptably restrictive when student assignments require real-time teamwork and access to laboratory equipment. This paper presents a web-accessible workbench for electronics design and test, which was developed in the scope of an European IST project entitled PEARL, with the aim of supporting two main features: full web access and collaborative learning facilities.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

This paper addresses the topic of knowledge management in multinational companies (MNCs). Its purpose is to examine the role of expatriates in knowledge acquisition and transfer within MNCs. Specifically it focuses on knowledge acquisition and transfer from one MNC head office located in Germany to two Portuguese subsidiaries as a basis for competitive advantage in their Portuguese subsidiaries. A qualitative research methodology is used, specifically through an exploratory case study approach, which examines how international assignments are important for the role of expatriates In knowledge acquisition and transfer between foreign head offices and their Portuguese subsidiaries. The data were collected through semi structured interviews to 10 Portuguese repatriates from two Portuguese subsidiaries of one foreign MNC. The findings suggest that the reasons that lead to expatriating employees from Portuguese subsidiaries to foreign head offices are connected to (1) knowledge management strategies to development the subsidiary’s performance; (2) new skills and knowledge acquisition by future team leaders and business/product managers in Portuguese subsidiaries; (3) procuring knowledge, from agents in head office, to be disseminated amongst co-workers in Portuguese subsidiaries; (4) acquiring global management skills, impossible to acquire locally and; (5) developing global projects within MNC. Also our results show that knowledge acquisition and transfer from foreign head office, through subsidiaries’ expatriates, contributes directly to the Portuguese subsidiaries’ innovation, improved performance, competitive advantage and growth in the economic sectors in which they operate. Moreover, evidence reveals that expatriation is seen as a strategy to fulfil some of the main organisational objectives through their expatriates (e.g., create new products and business markets, develop and incorporate new organisational techniques and processes, integrate global teams within multinational corporation with a responsibility on the definition of global objectives). The results obtained suggest that expatriates have a central role in acquiring and transferring strategic knowledge from MNC head office to their subsidiaries located in Portugal. Based on the findings, the paper discusses in detail the main theoretical and managerial implications. Suggestions for further research are also presented. The study’s main limitation is the small size of the sample, but its findings and methodology are quite original and significant.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Clustering ensemble methods produce a consensus partition of a set of data points by combining the results of a collection of base clustering algorithms. In the evidence accumulation clustering (EAC) paradigm, the clustering ensemble is transformed into a pairwise co-association matrix, thus avoiding the label correspondence problem, which is intrinsic to other clustering ensemble schemes. In this paper, we propose a consensus clustering approach based on the EAC paradigm, which is not limited to crisp partitions and fully exploits the nature of the co-association matrix. Our solution determines probabilistic assignments of data points to clusters by minimizing a Bregman divergence between the observed co-association frequencies and the corresponding co-occurrence probabilities expressed as functions of the unknown assignments. We additionally propose an optimization algorithm to find a solution under any double-convex Bregman divergence. Experiments on both synthetic and real benchmark data show the effectiveness of the proposed approach.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

The Evidence Accumulation Clustering (EAC) paradigm is a clustering ensemble method which derives a consensus partition from a collection of base clusterings obtained using different algorithms. It collects from the partitions in the ensemble a set of pairwise observations about the co-occurrence of objects in a same cluster and it uses these co-occurrence statistics to derive a similarity matrix, referred to as co-association matrix. The Probabilistic Evidence Accumulation for Clustering Ensembles (PEACE) algorithm is a principled approach for the extraction of a consensus clustering from the observations encoded in the co-association matrix based on a probabilistic model for the co-association matrix parameterized by the unknown assignments of objects to clusters. In this paper we extend the PEACE algorithm by deriving a consensus solution according to a MAP approach with Dirichlet priors defined for the unknown probabilistic cluster assignments. In particular, we study the positive regularization effect of Dirichlet priors on the final consensus solution with both synthetic and real benchmark data.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Cyanobacteria are important primary producers, and many are able to fix atmospheric nitrogen playing a key role in the marine environment. However, not much is known about the diversity of cyanobacteria in Portuguese marine waters. This paper describes the diversity of 60 strains isolated from benthic habitats in 9 sites (intertidal zones) on the Portuguese South and West coasts. The strains were characterized by a morphological study (light and electron microscopy) and by a molecular characterization (partial 16S rRNA, nifH, nifK, mcyA, mcyE/ndaF, sxtI genes). The morphological analyses revealed 35 morphotypes (15 genera and 16 species) belonging to 4 cyanobacterial Orders/Subsections. The dominant groups among the isolates were the Oscillatoriales. There is a broad congruence between morphological and molecular assignments. The 16S rRNA gene sequences of 9 strains have less than 97% similarity compared to the sequences in the databases, revealing novel cyanobacterial diversity. Phylogenetic analysis, based on partial 16S rRNA gene sequences showed at least 12 clusters. One-third of the isolates are potential N2-fixers, as they exhibit heterocysts or the presence of nif genes was demonstrated by PCR. Additionally, no conventional freshwater toxins genes were detected by PCR screening.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Despite the abundant literature in knowledge management, few empirical studies have explored knowledge management in connection with international assignees. This phenomenon has a special relevance in the Portuguese context, since (a) there are no empirical studies concerning this issue that involves international Portuguese companies; (b) the national business reality is incipient as far as internationalisation is concerned, and; (c) the organisational and national culture presents characteristics that are distinctive from the most highly studied contexts (e.g., Asia, USA, Scandinavian countries, Spain, France, The Netherlands, Germany, England and Russia). We examine the role of expatriates in transfer and knowledge sharing within the Portuguese companies with operations abroad. We focus specifically on expatriates’ role on knowledge sharing connected to international Portuguese companies and our findings take into account organizational representatives’ and expatriates’ perspectives. Using a comparative case study approach, we examine how three main dimensions influence the role of expatriates in knowledge sharing among headquarters and their subsidiaries (types of international assignment, reasons for using expatriation and international assignment characteristics). Data were collected using semi‐structured interviews to 30 Portuguese repatriates and 14 organizational representatives from seven Portuguese companies. The findings suggest that the reasons that lead Portuguese companies to expatriating employees are connected to: (1) business expansion needs; (2) control of international operations and; (3) transfer and knowledge sharing. Our study also shows that Portuguese companies use international assignments in order to positively respond to the increasingly decaying domestic market in the economic areas in which they operate. Evidence also reveals that expatriation is seen as a strategy to fulfill main organizational objectives through their expatriates (e.g., business internationalization, improvement of the coordination and control level of the units/subsidiaries abroad, replication of aspects of the home base, development and incorporation of new organizational techniques and processes). We also conclude that Portuguese companies have developed an International Human Resources Management strategy, based on an ethnocentric approach, typically associated with companies in early stages of internationalization, i.e., the authority and decision making are centered in the home base. Expatriates have a central role in transmitting culture and technical knowledge from company’s headquarters to the company’s branches. Based on the findings, the article will discuss in detail the main theoretical and managerial implications. Suggestions for further research will also be presented.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

This paper examines the relationship between the level of satisfaction towards Human Resources Management practices among repatriates and the decision to remain on the home company after expatriation. Data was collected through semi-structured interviews of 28 Portuguese repatriates who remain and 16 organisational representatives from eight companies located in Portugal. The results show that (1) compensation system during the international assignment; (2) permanent support during the international assignment and; (3) recognition upon the return of the work and effort of expatriates during the international assignment are the most important HRM practices for promoting satisfaction among repatriates. Moreover, it is at repatriation phase that repatriates show higher dissatisfaction with HRM support. These findings will be discussed in detail and implications and suggestions for future research will be proposed as well.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Neste estudo, focado na aprendizagem do manuseio do dinheiro, pretendeu-se que os alunos adquirissem competências que os habilitasse a um maior grau de independência e participação na vida em sociedade, desempenhando tarefas de cariz financeiro de forma mais independente, por exemplo, compra de produtos, pagamento de serviços e gestão do dinheiro. Para alcançar o pretendido, utilizou-se a metodologia do ensino direto, com tarefas estruturadas. Numa fase inicial o investigador prestava apoio constante aos alunos, que foi diminuindo gradualmente à medida que atingiam as competências relacionadas com o dinheiro. Na fase final, os alunos realizaram as tarefas propostas de forma autónoma. Construído como um estudo de caso, os dados foram recolhidos através de observação direta e de provas de monitorização. Os alunos começaram por realizar uma avaliação inicial para delinear a linha de base da intervenção. Posteriormente, foi realizada a intervenção baseada no ensino direto, com recurso ao computador, à calculadora, a provas de monitorização e ao manuseio de dinheiro. O computador foi utilizado na intervenção como tecnologia de apoio à aprendizagem, permitindo a realização de jogos interativos e consulta de materiais. No final da intervenção os alunos revelaram autonomia na resolução das tarefas, pois já tinham automatizado os processos matemáticas para saber manusear corretamente a moeda euro. O ensino direto auxiliou os alunos a reterem as competências matemáticas essenciais de manuseamento do dinheiro, compondo quantias, efetuando pagamentos e conferindo trocos, que muito podem contribuir para terem uma participação independente na vida em sociedade

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Massive Open Online Courses (MOOC) are gaining prominence in transversal teaching-learning strategies. However, there are many issues still debated, namely assessment, recognized largely as a cornerstone in Education. The large number of students involved requires a redefinition of strategies that often use approaches based on tasks or challenging projects. In these conditions and due to this approach, assessment is made through peer-reviewed assignments and quizzes online. The peer-reviewed assignments are often based upon sample answers or topics, which guide the student in the task of evaluating peers. This chapter analyzes the grading and evaluation in MOOCs, especially in science and engineering courses, within the context of education and grading methodologies and discusses possible perspectives to pursue grading quality in massive e-learning courses.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

O estudo que aqui apresentamos tem como objetivos estudar: o impacto do acompanhamento dos pais ou Encarregados de Educação no Estudo Autónomo e na realização dos Trabalhos de Casa, nos resultados escolares e na motivação para a escola e aprendizagens; ainda as necessidades sentidas pelos pais ou Encarregados de Educação ao fazerem este acompanhamento Neste estudo elaboramos seis propostas que planificamos, analisamos e, do seu desenvolvimento, tiramos as respetivas conclusões. As propostas foram dinamizadas pelo professor de turma e investigador em pequenas sessões/reuniões de esclarecimento com os pais ou Encarregados de Educação sendo quatro delas aplicadas num 2.º ano de escolaridade e as outras duas a um 3.º ano. Nas propostas do 2.º ano foram trabalhadas as frações e as estratégias de cálculo mental bem como foi dinamizado o projeto “Clube de Pais Leitores” e o “Concurso de Espantalhos” também aberto à comunidade educativa. Nas propostas do 3.º ano de escolaridade abordamos as propriedades da multiplicação, sua utilização no cálculo mental, a consolidação da operação divisão através do jogo do 24 e orientações para o Estudo Acompanhado e Trabalhos de Casa para auxiliar os pais ou Encarregados de Educação. Com a implementação destas tarefas, apresentamos os tipos de envolvimento parental solicitado por cada atividade, os benefícios para a família, aluno e professor, os sistemas envolvidos no processo de desenvolvimento da criança e os fatores que influenciaram negativamente na realização destas atividades. A implementação destas atividades foi feita seguindo uma metodologia qualitativa, inserida num contexto de um estudo de caso. Os participantes no estudo foram entrevistados com o objetivo de completar o estudo realizado através do seu feedback. Neste estudo fizemos uma revisão bibliográfica e abordámos o envolvimento dos pais ou Encarregados de Educação e famílias na escola numa perspetiva cronológica, a tipologia de envolvimento parental na escola, os sistemas que influenciam o desenvolvimento da criança e ainda uma referência aos benefícios para a comunidade educativa do envolvimento parental e familiar na escola. Através dos dados obtidos, pudemos verificar que o acompanhamento dos pais ou Encarregados de Educação no Estudo Autónomo e Trabalhos de Casa e nos projetos de turma traz bastantes benefícios para todos os elementos da comunidade educativa, sendo o aluno o mais beneficiado, e influenciado primariamente pela família em articulação com a escola e comunidade. Também verificamos que os pais ou Encarregados de Educação têm necessidades de estarem informados sobre conteúdos escolares e serem conhecedores das estratégias utilizadas na sala de aulas pelo que, sem isto, apresentam dificuldades em acompanharem os seus educados em casa. A realização deste estudo visa contribuir para a compreensão das necessidades sentidas pelos pais ou Encarregados de Educação no acompanhamento do Estudo Autónomo e Trabalho de Casa e as formas de dinamizar a cooperação entre o professor da turma e a família, promovendo o sucesso e a motivação escolar. Palavras-chave: Cooperação; Envolvimento; Família; Alunos; Escola.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Nos últimos anos, o número de expatriados tem apresentado uma tendência de crescimento a nível mundial. Desta forma, a gestão de expatriados, que integra o subsistema da gestão internacional de recursos humanos, passa a ter uma atenção renovada e tem vindo a crescer enquanto área de intervenção de gestão de recursos humanos. Por sua vez, o contrato psicológico tem sido visto, cada vez mais, como um fator relevante na explicação das relações laborais e o número de estudos em torno desta temática tem aumentado. O sucesso da expatriação é diretamente influenciado pelo contrato psicológico e depende, em grande parte, da forma como são desenvolvidas as práticas de GRH (Homem & Tolfo, 2008). Desta forma, é essencial compreender a reação dos trabalhadores perante a mudança (Bligh & Carsten, 2005; Shield, Thorpe, & Nelson, 2002), uma vez que o comportamento de resposta aos mesmos pode ser um contributo para marcar a diferença decisiva entre o sucesso ou o fracasso da missão internacional. Neste mesmo contexto, assiste-se a uma crescente atenção sobre o contributo que o Contrato Psicológico pode ter em contextos de incerteza. O individuo, enquanto trabalhador de uma organização que decide aceitar uma missão internacional e ir viver para outro país, tem necessidade de se enquadrar num relacionamento contínuo e motivador com a entidade empregadora. A noção do contrato psicológico torna-se fundamental para o entendimento das relações de trabalho, a partir das perceções das pessoas envolvidas. Muitos dos aspetos destes relacionamentos são implícitos (não escritos) o que pode provocar diferentes interpretações sobre as expectativas, promessas e obrigações entre partes. Vários autores defendem que o contrato psicológico é um meio fundamental na compreensão e gestão das atitudes e comportamentos dos indivíduos nas organizações (Bunderson, 2001; Kraimer, Wayne, Liden, & Sparrow, 2005; Lemire & Rouillard, 2005). O objetivo deste trabalho é conhecer o estado do contrato psicológico nos expatriados: antes da missão, após a fase de adaptação ao país de destino e na repatriação. Foi utilizada a metodologia qualitativa e para tal, foi aplicada uma entrevista individual semiestruturada e um questionário sociográfico às pessoas que se encontravam, à data, expatriadas. No total foram realizadas dez entrevistas e a análise das entrevistas foi efetuada através da Grounded Theory. Os resultados sugerem que há apenas cumprimento do contrato psicológico na fase da preparação da missão internacional, havendo, por outro lado, incumprimento do contrato psicológico durante a expatriação e na repatriação, de acordo com a perceção que os expatriados têm acerca do fim da expatriação. No entanto, a maioria dos expatriados entrevistados avalia positivamente a experiência da expatriação, apesar de as organizações parecerem ter apenas algumas regras estabelecidas de suporte ao expatriado, nomeadamente suporte logístico e financeiro, e não disporem de um programa completo e aprofundado de suporte à gestão da expatriação. Os resultados sugerem ainda que é essencial que as organizações estimulem a comunicação com os expatriados e fomentem o suporte que deve ser constante e intrínseco a todas as fases da expatriação, a fim de evitar a sensação de “abandono”.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

A presente investigação tem como objetivo estudar a expatriação, especificamente a gestão da carreira de repatriados portugueses que já experienciaram uma ou mais missões internacionais. Pretende-se averiguar de que modo a realização de missões internacionais pode influenciar a evolução da carreira profissional após o regresso ao país/organização de origem. Para a concretização desta investigação foi utilizada a metodologia quantitativa. A fase de recolha de dados consistiu na aplicação de um inquérito por questionário a 75 repatriados ligados a organizações localizadas em Portugal. Os dados obtidos neste estudo revelam que os repatriados valorizam a experiência da expatriação, independentemente da existência ou não de progressão na carreira, pelo facto de adquirirem e desenvolverem novas competências, alcançarem um âmbito funcional mais rico e abrangente e assumirem funções com maior responsabilidade e autonomia. O facto de planearem a MI como fazendo parte de um processo de desenvolvimento de carreira confirma as perspetivas teóricas do novo contrato psicológico, carreira proteana, boundaryless career e carreiras inteligentes. Os resultados permitiram-nos confirmar as hipóteses de estudo, nomeadamente que a satisfação dos repatriados com a gestão do processo de expatriação está relacionada com a vontade de permanecer na organização de expatriação durante e após a realização da MI e que a implementação de práticas de GRH no âmbito da gestão da carreira dos expatriados está associada a um menor receio dos mesmos em relação à fase da repatriação. Porém, os resultados obtidos mostram que as MI não têm impacto direto no desenvolvimento da carreira dos repatriados, não comprovando assim outra das hipóteses orientadoras desta dissertação. Na parte final do estudo são apresentados os principais contributos teóricos e práticos desta dissertação bem como identificadas algumas limitações a par de sugestões de pesquisa futura.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

The challenge of this work is to assess the importance of the municipal police in improving the safety of citizens, if gauging from this reality through contributions from the Municipal Police Guimarães. The IV Constitutional Review in 1997, enabled the Portuguese municipalities creating administrative police bodies. These services, known as Municipal Police, have gradually come up in several municipalities. Currently the Municipal Police have their fundamental legal regulations of Law No. 19/2004 of 20 May, which, according to the Portuguese Constitution provides that these must be seen as municipal services, which act in a space territorially delimited, which corresponds to the municipality that each belongs. Under Article 237, paragraph 3, of the Constitution, the Municipal Police are municipal services, which shall cooperate in the maintenance of public order and protection of local communities, acting in cooperation with the security forces, public security functions. The safety concept has been taking an increasingly significant importance within the population. Is also no doubt say that, currently, insecurity affects all of society and is a major concern of law enforcement authorities. To find suitable answers we found that there are several studies on these subjects. In order to be able to make our contribution, text looks us on this subject, having had the support of the Municipal Police Guimarães, in the preparation of this work. Thus, based on a survey, they were sounded out, as privileged actors, agents of the Municipal Police Guimarães, in order to know their perceptions with regard to security issues faced in the context of security. We understand ask them to answer in particular the following questions: What are the most facilitators situations of crime? How important is the Municipal Police Guimarães in crime prevention? What are the strategies for prevention of incivilities? What other skills that can be conferred upon the Municipal Police? The results obtained allowed us to conclude that incivilities facilitate the occurrence of crimes and that the Municipal Police may have a more active role in the security of the population. If you were given other duties, in addition to that already have, the Municipal Police could reach another level of effectiveness. However we understand that any change to the tasks of this police need a serious and profound reflection, to find complementary alternatives with the security forces, which does not conflict with current assignments of any of the parties or with the interests of citizens.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

At a time of global economic instability, to which Portugal is not oblivious, and aware that the main source of Portuguese State revenue relies on the collection of tribute, the National Republican Guard holds within its mission relevant assignments to the protection of the financial interests of the country, in particular, fiscal and customs. These assignments were inherited from the century - old institution Guarda Fiscal - with evidence given in this domain, which was integrated into the National Republican Guard in 1993, to adopt, a 1St model, that held a specialized unit – Brigada Fiscal, with surveillance and patrolling missions of costa and fiscal and customs supervision, throughout the national territory and maritime zone of respect. In 2009, the result of political decisions, reorganization the State's central administration, appears de 2Nd model, because the Brigada Fiscal assignments were divided by two specialized units - UAF with investigation skills, and UCC for patrolling and surveillance of the coast. Analyzed the legal spectrum of special legislation leading the criminal and transgression sector punitive (RGIT), in essence, is in the UAF that resides the role assignments from the scope of the investigation and supervision of goods in the national territory on a par with the tax authority. Tax inspection assignments, fiscal and customs of the National Republican Guard, are unmatched in the National Tribute System, constituting itself as a potentiality of this special body, in similarity of their counterparts - Spain and Italy; however, have some constraints, that urge to clarify and repair. Foreseeing the future, face the announced news of a new restructuring, on behalf of the interests of the country, and in order to raise the quality of performance of the tax inspection, fiscal and customs, the National Republican Guard shall maintain a model based on the experience already accumulated, obviously adapted to the new demands of a changing society. Despite the current model gain in efficiency, loses in effectiveness. However, the efficiency of a model, without the necessary resources, can never bring “the letter to Garcia” against any kind of infringements, criminal or transgressions. Unless better opinion, both tax structures of the National Republican Guard are valid as an instrument for the prevention and combat of these illegal types. Because they are strategic in pursuing the public interest, given the scarce resources of the country and be the National Republican Guard, the force with the means and know-how of this nature. The political power has the final word.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Issues related to mental health in relation to court matters have increasingly required the participation of the psychologist. We present the use of forensic neuropsychological assessment in a case of retirement reversal. Incapacity was attested due to disability resulting from depression of a 35-year-old attorney, and the case was forwarded from the courts to the Forensic Psychiatry and Psychology Unit at the USP Clinical Hospital. A clinical interview and application of cognitive tests was conducted. Despite the depression, significant cognitive losses that would prevent return to his professional assignments were not detected. The neuropsychological assessment has been shown to be an important tool in the forensic context, as it assists with diagnostic value for clarification of functional aspects in the various psychopathological areas in terms of disabilities or potentialities.