773 resultados para issues in GIS


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In the framework of the Bologna process, and with regard to pre-service teacher education, it is necessary to model student-centred learning experiences in order to promote the required competences for future professional practice and critical participation in society. Despite the potential of discussion in promoting several competences, this methodology does not always integrate the teaching practices. This case study sought to: a) understand the experiences and views of future teachers from a School of Education on the use of discussion in their past education; and b) investigate the impact of an educational experience centred on discussion. Data were collected through narratives, questionnaires, interviews and participant observation. The learning situations experienced through this study contributed to the development of citizens more aware of their role in society and allowed the promotion of skills indispensable for an Elementary Education teacher.

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In the framework of the Bologna process, and with regard to pre-service teacher education, it is necessary to model student-centred learning experiences in order to promote the required competences for future professional practice and critical participation in society. Despite the potential of discussion in promoting several competences, this methodology does not always integrate the teaching practices. This case study sought to: a) understand the experiences and views of future teachers from a School of Education on the use of discussion in their past education; and b) investigate the impact of an educational experience centred on discussion. Data were collected through narratives, questionnaires, interviews and participant observation. The learning situations experienced through this study contributed to the development of citizens more aware of their role in society and allowed the promotion of skills indispensable for an Elementary Education teacher.

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With global markets and global competition, pressures are placed on manufacturing organizations to compress order fulfillment times, meet delivery commitments consistently and also maintain efficiency in operations to address cost issues. This chapter argues for a process perspective on planning, scheduling and control that integrates organizational planning structures, information systems as well as human decision makers. The chapter begins with a reconsideration of the gap between theory and practice, in particular for classical scheduling theory and hierarchical production planning and control. A number of the key studies of industrial practice are then described and their implications noted. A recent model of scheduling practice derived from a detailed study of real businesses is described. Socio-technical concepts are then introduced and their implications for the design and management of planning, scheduling and control systems are discussed. The implications of adopting a process perspective are noted along with insights from knowledge management. An overview is presented of a methodology for the (re-)design of planning, scheduling and control systems that integrates organizational, system and human perspectives. The most important messages from the chapter are then summarized.

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[à l'origine dans / Was originally part of : ESPUM - Dép. médecine sociale et préventive - Travaux et publications]

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[à l'origine dans / Was originally part of : ESPUM - Dép. médecine sociale et préventive - Travaux et publications]

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[à l'origine dans / Was originally part of : ESPUM - Dép. médecine sociale et préventive - Travaux et publications]

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[à l'origine dans / Was originally part of : ESPUM - Dép. médecine sociale et préventive - Travaux et publications]

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[à l'origine dans / Was originally part of : ESPUM - Dép. médecine sociale et préventive - Travaux et publications]

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[à l'origine dans / Was originally part of : ESPUM - Dép. médecine sociale et préventive - Travaux et publications]

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A description is given of the structure of, theoretical background of, and experiences gained from, a course in legal English-Spanish translation taught at the University of Alicante.

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[EN] The emergence of the sensitisation in business ethics creates a need to answer some questions. We have placed special attention in three areas: level of development, importance in each European country and the teaching of emergent issues in business ethics. In order to do this, we have selected the Delphi method, with the purpose of the consensus of the most important and relevant business ethics experts.

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Otto-von-Guericke-Universität Magdeburg, Fakultät für Verfahrens- und Systemtechnik, Dissertation, 2016

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Racing motorcycles are prone to an unstable oscillatory motion of the swingarm and rear wheel, commonly known as â˜chatterâ. This vibration mode typically has a frequency of 17 Hz to 22 Hz and typically occurs during heavy braking manoeuvres. The appearance of chatter can cause reduced rider confidence, and therefore lead to longer lap times during races and the increased risk of crashing. This thesis looks to further the understanding of this mode. It includes the development of a simplified model to explore the effects roll angle and lateral dynamics have on the chatter mode using linear analysis. The mechanisms of instability and parameter sensitivities are also examined. The effects of the nonlinearities present in the minimal model equations of motion are examined, including the identification of limit cycles and their stability, inspecting individual nonlinear terms and their effects, and introducing tyre relaxation and determining the effect it has on the dynamics. Finally, an exploratory study of the mid-corner region of a typical racing manoeuvre is performed in hopes to better understand if any high frequency tyre induced instabilities like chatter can occur.

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Commercial fisheries exploiting the demersal resources of Western Adriatic Sea produce high bycatch and discard rates; the most important are bottom trawls, hydraulic dredges and passive nets. The five papers here published assess these fisheriesâ impacts and investigate the potential of specific solutions to promote more sustainable exploitation. Papers I, II, III focused on bottom trawl fishery. Paper I compared the catch performance of the two legal codends by accounting for the entire species community in trawl catches. 50% of the catch in weight and 80% in count numbers consisted of discarded species, highlighting the severe impact of this fishery. Paper II estimated the selectivity of experimental codend having meshes turned 90° (T90) and of traditional diamond mesh codend with same mesh size. The T90 codend improved the size selection for all the target species. Paper III investigated the use of T90 meshes in the extension piece together with a reduction in mesh number at extension circumference. Results revealed that both these changes applied in the extension piece did not improve the selectivity of the main target species. Paper IV focused on hydraulic dredge fishery targeting the striped venus clam by assessing the clamsâ size selection process operated by the dredge. 25% of the clams caught were not size selected due to clogging phenomenon in the dredge. The clam length with 50% retention probability was 18.9 mm, highlighting that the additional size selection process of sorting sieve is necessary to land only the legal clams >22 mm. Paper V compared the catch performance of innovative fish pots and of traditional trammel net. A similar catch efficiency between the two gears for the commercial portion was observed, while the trammel net produced significantly more discards in terms of species number and weight. All the results are discussed in fisheries management perspective.

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Depth estimation from images has long been regarded as a preferable alternative compared to expensive and intrusive active sensors, such as LiDAR and ToF. The topic has attracted the attention of an increasingly wide audience thanks to the great amount of application domains, such as autonomous driving, robotic navigation and 3D reconstruction. Among the various techniques employed for depth estimation, stereo matching is one of the most widespread, owing to its robustness, speed and simplicity in setup. Recent developments has been aided by the abundance of annotated stereo images, which granted to deep learning the opportunity to thrive in a research area where deep networks can reach state-of-the-art sub-pixel precision in most cases. Despite the recent findings, stereo matching still begets many open challenges, two among them being finding pixel correspondences in presence of objects that exhibits a non-Lambertian behaviour and processing high-resolution images. Recently, a novel dataset named Booster, which contains high-resolution stereo pairs featuring a large collection of labeled non-Lambertian objects, has been released. The work shown that training state-of-the-art deep neural network on such data improves the generalization capabilities of these networks also in presence of non-Lambertian surfaces. Regardless being a further step to tackle the aforementioned challenge, Booster includes a rather small number of annotated images, and thus cannot satisfy the intensive training requirements of deep learning. This thesis work aims to investigate novel view synthesis techniques to augment the Booster dataset, with ultimate goal of improving stereo matching reliability in presence of high-resolution images that displays non-Lambertian surfaces.