3 resultados para Frobenius norm

em ReCiL - Repositório Científico Lusófona - Grupo Lusófona, Portugal


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New Zealand is a nation of Migrants. Immigrants have played a significant role in the country’s economic growth and cultural development. With a population of four million people, New Zealand’s population is becoming increasingly culturally diverse. Almost one in five New Zealanders were born overseas, rising to one in three in its largest city, Auckland. Asians are the fastest growing ethnic group, increasing by around 140% since 1996. Indians account for 1.2% of the population (Statistics New Zealand, 2002). The Goan community in New Zealand is relatively small and its size is not formally recorded, however, anecdotally it appears to have grown to over 200 families in the Auckland area, with most arriving after 1996. For women who migrate, loneliness and isolation have been identified as the most ‘glaring’ experience and this is intensified by the loss of extended family networks when they migrate to a country where nuclear families are the norm (Leckie, 1995). The creation of new networks and maintenance of prior networks in new ways is crucial to the successful settlement and integration into a new country. This paper reports on how Goan, Indian women in Auckland, New Zealand used specific strategies to manage the adjustment to living in a new country. The findings reveal that participants used a variety of skills to settle in New Zealand such as cultivating a “can do” attitude, obtaining support and learning. These skills enabled them to move beyond their own culture and begin to take active part in New Zealand culture. However, this process was not immediate and the participants passed through a number of stages along a continuum of settlement and integration. These stages will be discussed below and situated within a body of literature.

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The ISO norm line 9241 states some criteria for ergonomics of human system interaction. In markets with a huge variety of offers and little possibility of differentiation, providers can gain a decisive competitive advantage by user oriented interfaces. A precondition for this is that relevant information can be obtained for entrepreneurial decisions in this regard. To test how users of universal search result pages use those pages and pay attention to different elements, an eye tracking experiment with a mixed design has been developed. Twenty subjects were confronted with search engine result pages (SERPs) and were instructed to make a decision while conditions “national vs. international city” and “with vs. without miniaturized Google map” were used. Different parameters like fixation count, duration and time to first fixation were computed from the eye tracking raw data and supplemented by click rate data as well as data from questionnaires. Results of this pilot study revealed some remarkable facts like a vampire effect on miniaturized Google maps. Furthermore, Google maps did not shorten the process of decision making, Google ads were not fixated, visual attention on SERPs was influenced by position of the elements on the SERP and by the users’ familiarity with the search target. These results support the theory of Amount of Invested Mental Effort (AIME) and give providers empirical evidence to take users’ expectations into account. Furthermore, the results indicated that the task oriented goal mode of participants was a moderator for the attention spent on ads. Most important, SERPs with images attracted the viewers’ attention much longer than those without images. This unique selling proposition may lead to a distortion of competition on markets.

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O risco faz parte do dia a dia das organizações e atualmente mais do que nunca deve ser gerido de uma forma consciente. As organizações como forma de transparência na divulgação da informação para os investidores e outras partes interessadas, devem expor as suas políticas de risco e a forma como pretendem alcançar os objetivos que se propõem numa ótica de continuidade e sustentabilidade. Os mercados globais com grande complexidade e forte concorrência levam a que as empresas se afirmem pela sua capacidade de organização. No setor da construção a dispersão geográfica das obras e a correspondente dispersão dos ativos de produção, os concursos públicos e a apresentação de preço assumem especial relevância em termos de análise de risco. Atualmente na matéria da gestão do risco existem várias recomendações ao nível do governo das sociedades e vários modelos que servem de guião para as empresas implementarem na sua gestão do risco. A estrutura conceptual mais atual e considerada o ‘state of the art’ na matéria de gestão do risco é a ISO 31000 Risk management – Principles and Guidelines. Esta norma pretende definir princípios que permitam a cada organização desenvolver um modelo feito à medida, ajustado aos seus processos e alinhado com a sua estratégia.