Spatial impacts of economic crisis. Scenarios for the Portuguese Regions

Unemployment and migration are known effects of financial and economic crisis. This paper tries to understand the spatial patterns of those effects in a city and its surroundings considering the direct and induced impacts, the migration flows between the city, the surroundings and the outside and the multiplier effects that come from the changing rents of the economic landscape. We use a spatial interaction model with rent calibration and the cyclical results of the distribution of rents and unemployment subsidies. We apply the model to Portuguese NUTS 3 regions where the reduction of some basic economic activities is producing direct and induced impacts on unemployment, reduction of active population and migration

Understanding the impacts of electric mobility in the transportation patterns of the Azores using a spatial interaction model with alternative transportation modes

The aim of this paper is to analyze the impacts of electric mobility in the transportation patterns using a spatial interaction model, with alternative transportation modes and implicit accessibility networks. Beyond the introduction, the paper is divided into three parts: a) In the first part we design the spatial interaction model for the islands with alternative modes of transportation and implicit accessibility networks; b) In the second part we estimate the prospective demand for electric mobility based on data from a choice experiment; c) in the third part we try to understand the impacts of the attributes of electric mobility in the transportation patterns of the Azores

A Neural Network Approach to a Spatial Production System case for milk production

The usual conceptualisation of farmer production system involves three interrelated production systems: a feed production function which inputs are fertiliser, land, weather machinery and labour; a cattle production function based cows, feed - bought or produced - machinery and labour and a conversion production system that generates milk and beef. The aim of this paper is to conceptualise the spatial farm production system in only one system using a neural network's mechanism with the whole set of inputs (fertiliser, land, weather, feed, cows, machinery and labour) and with only one output, milk. We review the concept of agricultural production systems. We systematise some models of agricultural systems. We calibrate a neural network model to the milk production in Terceira Island

Balanço de estoques por amostragem estratificada

Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produçã

A multi-criteria decision aid methodology to design electric vehicles public charging networks

This article presents a new multi-criteria decision aid methodology, dynamic-PROMETHEE, here used to design electric vehicle charging networks. In applying this methodology to a Portuguese city, results suggest that it is effective in designing electric vehicle charging networks, generating time and policy based scenarios, considering offer and demand and the city’s urban structure. Dynamic-PROMETHE adds to the already known PROMETHEE’s characteristics other useful features, such as decision memory over time, versatility and adaptability. The case study, used here to present the dynamic-PROMETHEE, served as inspiration and base to create this new methodology. It can be used to model different problems and scenarios that may present similar requirement characteristics

Impacto dos movimentos sociais no combate ao VIH e Sida: O caso do Grupo de Ativistas em Tratamentos (GAT)

A presente dissertação visa compreender o impacto que os movimentos sociais assumem no combate e prevenção do VIH/Sida desde o primeiro caso reportado mundialmente em 1981. Até à atualidade, a epidemia de VIH/Sida – apesar do vírus não ter a mesma taxa de transmissão e letalidade – já causou cerca de 36,3 milhões de óbitos e todos os anos espoleta centenas de milhares de mortes causadas por doenças associadas à Sida. Nos primeiros anos da epidemia, houve um total alheamento de respostas públicas por parte dos governos mundiais, deixando os doentes à sua sorte na luta por cuidados de saúde. O preconceito que imperava – nomeadamente na designação do cancro gay, mais tarde também conotado com profissionais do sexo e consumidores de drogas injetáveis – inibia as respostas institucionais de cuidados e tratamentos. O grande impulso para a evolução de políticas públicas – no caso do VIH – ao nível de cuidados de saúde e prevenção, deveu-se inegavelmente ao ativismo. Atualmente, o ativismo ainda desempenha um papel preponderante na assistência e defesa de doentes, rastreio, redução de danos, prevenção, produção científica, combate ao estigma, evolução legislativa e, consequentemente, combate à propagação do VIH. O Grupo de Ativistas em Tratamentos (GAT) é um exemplo de institucionalização do ativismo. Fundado em 2001, veio advogar a universalização de tratamentos antirretrovirais, mudanças legislativas e a dignidade das pessoas direta ou indiretamente afetadas pelo VIH. É através do GAT que nos propomos a olhar para a evolução do papel das Organizações que atuam na área do VIH.This dissertation aims to understand the impact that social movements have on the fight and prevention of HIV/AIDS since the first case reported worldwide in 1981. To date, the HIV/AIDS epidemic – even though virus does not have the same rate of transmission and lethality – has caused about 36.3 million deaths and every year has seen hundreds of thousands of deaths caused by AIDS-related diseases. In the early years of the epidemic there was a total o-call by the world governments, leaving the sick to their fate in the fight for health care. The prevailing prejudice – notably in the designation of gay cancer, later also connoted with sex workers and injecting drug users – would inject institutional responses to care and treatment. The great impetus for the evolution of public policies – in the case of HIV – in terms of health care and prevention was undeniably due to activism. Currently, activism still plays a major role in welfare, screening, harm reduction, prevention, scientific production, combating stigma, legislative evolution, patient advocacy and, consequently, combating the spread of HIV. The Grupo de Ativistas em Tratamentos (GAT) is an example of institutionalization of activism. Founded in 2001, it advocated the universalization of antiretroviral treatments, legislative changes and the dignity of people directly or indirectly affected by HIV. It is through the TA that we propose to look at the evolution of the role of organizations working in HIV

SOIL CHEMICAL ATTRIBUTES RELATIONSHIPS AROUND THE Araucaria angustifolia TREES IN AGROFORESTRY SYSTEMS

This work aimed to understand the relationships between araucaria trees and some abiotic factors (soil type, soil organic C and soil nutrient supply) in agroforestry systems (AFS). Soils of two production areas in south-central region of the state of Parana (Bituruna - B and São Mateus do Sul - M) were characterized and soil chemical attributes were determined in microsites close to araucaria trees. B area presented only “juvenile” trees, while M area was formed by “juvenile” and “adult” trees. According to the multiple linear regression analyses, the soil chemical attributes showed an almost total dependence of the microsites depth. Soil chemical attributes dependence was much more diffuse in relation to the distances from the tree insertion in the soil. The non-metric multidimensional scaling ordination according to soil chemical attributes showed a great overlap of behavior of these tree groups. The chemical attributes comparison generated, to a certain extent, a soil fertility deficiency gradient between the microsites of the three groups of trees (MJ < MA < BJ). AFS with shaded Ilex paraguariensis must consider the replacement of nutrients exported by leaf harvest, which will help in the sustainability of the activity. This includes the environmental services that the AFS promotes by maintaining, or even renewing, of the native trees from the local forest, especially araucaria trees, in a productive system

Software development with grammatical approach

The paper presents a grammatical approach to problem solving. It supports formal software specification using attribute grammars, from which a rapid prototype can be generated, as well as the incremental software development. Domain concepts and relationships among them have to be identified from a problem statement and represented as a context-free grammar. The obtained context-free grammar describes the syntax of a domain-specific language whose semantics is the same as the functionality of the system under implementation. The semantics of this language is then described using attribute grammars from which a compiler is automatically generated. The execution of a particular program written in that domain-specific language corresponds to the execution of a prototype of the system on a particular use-case.GRICES - MCTE

Grammatical approach to problem solving

The paper presents a grammatical approach to problem solving. It supports for-mal software, specification using attribute grammars, from, which, a rapid prototype can be generated as well the incremental, software development. Domain concepts and relationships among them. have to be identified from a problem statement and represented as a context-free grammar. The obtained context-free grammar describes the syntax of a dowain-specific language whose semantics is the same as the functionality of the system under implementation. The semantics of this language is then described using attribute grammars from which a compiler is automatically generated. The execution of a particular programme written in a domain-specific language corresponds to the execution of a prototype of a system on a particular use-case.GRICES -MCTE