4,034 research outputs found

    Undergraduate Catalog of Studies, 2023-2024

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    Graduate Catalog of Studies, 2023-2024

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    Undergraduate Catalog of Studies, 2023-2024

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    Non-Market Food Practices Do Things Markets Cannot: Why Vermonters Produce and Distribute Food That\u27s Not For Sale

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    Researchers tend to portray food self-provisioning in high-income societies as a coping mechanism for the poor or a hobby for the well-off. They describe food charity as a regrettable band-aid. Vegetable gardens and neighborly sharing are considered remnants of precapitalist tradition. These are non-market food practices: producing food that is not for sale and distributing food in ways other than selling it. Recent scholarship challenges those standard understandings by showing (i) that non-market food practices remain prevalent in high-income countries, (ii) that people in diverse social groups engage in these practices, and (iii) that they articulate diverse reasons for doing so. In this dissertation, I investigate the persistent pervasiveness of non-market food practices in Vermont. To go beyond explanations that rely on individual motivation, I examine the roles these practices play in society. First, I investigate the prevalence of non-market food practices. Several surveys with large, representative samples reveal that more than half of Vermont households grow, hunt, fish, or gather some of their own food. Respondents estimate that they acquire 14% of the food they consume through non-market means, on average. For reference, commercial local food makes up about the same portion of total consumption. Then, drawing on the words of 94 non-market food practitioners I interviewed, I demonstrate that these practices serve functions that markets cannot. Interviewees attested that non-market distribution is special because it feeds the hungry, strengthens relationships, builds resilience, puts edible-but-unsellable food to use, and aligns with a desired future in which food is not for sale. Hunters, fishers, foragers, scavengers, and homesteaders said that these activities contribute to their long-run food security as a skills-based safety net. Self-provisioning allows them to eat from the landscape despite disruptions to their ability to access market food such as job loss, supply chain problems, or a global pandemic. Additional evidence from vegetable growers suggests that non-market settings liberate production from financial discipline, making space for work that is meaningful, playful, educational, and therapeutic. Non-market food practices mend holes in the social fabric torn by the commodification of everyday life. Finally, I synthesize scholarly critiques of markets as institutions for organizing the production and distribution of food. Markets send food toward money rather than hunger. Producing for market compels farmers to prioritize financial viability over other values such as stewardship. Historically, people rarely if ever sell each other food until external authorities coerce them to do so through taxation, indebtedness, cutting off access to the means of subsistence, or extinguishing non-market institutions. Today, more humans than ever suffer from chronic undernourishment even as the scale of commercial agriculture pushes environmental pressures past critical thresholds of planetary sustainability. This research substantiates that alternatives to markets exist and have the potential to address their shortcomings

    Graduate Catalog of Studies, 2023-2024

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    Risk and threat mitigation techniques in internet of things (IoT) environments: a survey

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    Security in the Internet of Things (IoT) remains a predominant area of concern. Although several other surveys have been published on this topic in recent years, the broad spectrum that this area aims to cover, the rapid developments and the variety of concerns make it impossible to cover the topic adequately. This survey updates the state of the art covered in previous surveys and focuses on defences and mitigations against threats rather than on the threats alone, an area that is less extensively covered by other surveys. This survey has collated current research considering the dynamicity of the IoT environment, a topic missed in other surveys and warrants particular attention. To consider the IoT mobility, a life-cycle approach is adopted to the study of dynamic and mobile IoT environments and means of deploying defences against malicious actors aiming to compromise an IoT network and to evolve their attack laterally within it and from it. This survey takes a more comprehensive and detailed step by analysing a broad variety of methods for accomplishing each of the mitigation steps, presenting these uniquely by introducing a “defence-in-depth” approach that could significantly slow down the progress of an attack in the dynamic IoT environment. This survey sheds a light on leveraging redundancy as an inherent nature of multi-sensor IoT applications, to improve integrity and recovery. This study highlights the challenges of each mitigation step, emphasises novel perspectives, and reconnects the discussed mitigation steps to the ground principles they seek to implement

    Chinese Knitwear Brands: The need for creative design to result in global business success

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    Chinese cashmere knitwear companies have become suppliers of international fashion brands because of their technological excellence, advantages of raw materials and competitive prices. However, their in-house brands are steadily declining. In the past 15 years, Chinese cashmere brands have progressively lost their market share to Chinese and Western fashion brands, with a few notable exceptions. Their brands lack differentiation from other Chinese competitors, causing low price competition, which contributes to sustainability issues such as unsold stock and material/manpower waste. The decline is likely to continue as the brands serve only an ageing market, rather than attracting younger generations to their products. Chinese cashmere companies invest little in design, which is a significant limitation for improving the brands’ opportunity to become successful and sustainable businesses. This study looks for solutions from the design perspective. The research aimed to investigate what design can do to help deal with the current problems of the Chinese knitwear brands to improve their prospects for future business success. The objectives of the study were to enquire into the challenges and opportunities facing the Chinese knitwear sector, to evaluate current design practice in knitwear brands, to understand how design and brand management can be integrated to generate a sustainable brand. Research questions were developed to explore the brand and design problems, the role of design and organisational structure, what the barriers and enablers for a thriving design culture were alongside possible solutions for design improvement. A pragmatic philosophy underpinned research design, guiding the adoption of methods in response to research questions. Interviews with stakeholders from both the knitwear industry and design education were undertaken. In addition, a case study using design action research with immersive field research was developed for investigating the knitwear brand issues; furthermore, a knitwear collection was created using western design approaches to demonstrate an exemplar design process for the sector and to illustrate the differences to current Chinese design methods. The study argues the obstacles to design culture enrichment in Chinese knitwear brands was caused by their design context, lack of brand positioning, limited understanding of their consumers and business models that are not fit for purpose. An absence of experienced leadership creates unclear design direction, instead of collections centred around a theme; Chinese brands sell unconnected designs. Brands lack the distinct brand characteristics that distinguish them from their competitors. The contribution to knowledge made by this study includes the identification of the reasons for the decline in Chinese cashmere brands, an understanding of their barriers to design culture to developing good designs and it also highlights the lack of awareness of sustainability issues in the sector. The study sheds new light on the rarely acknowledged issue of how to upgrade these brands as modern business for younger consumers, and how to enrich the design culture for brand business growth within sustainable contexts. The thesis analyses in depth the causes for the decline in these brands and makes recommendations for how design can make a contribution to reversing the brands’ decline and increasing their sustainability

    When Deep Learning Meets Polyhedral Theory: A Survey

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    In the past decade, deep learning became the prevalent methodology for predictive modeling thanks to the remarkable accuracy of deep neural networks in tasks such as computer vision and natural language processing. Meanwhile, the structure of neural networks converged back to simpler representations based on piecewise constant and piecewise linear functions such as the Rectified Linear Unit (ReLU), which became the most commonly used type of activation function in neural networks. That made certain types of network structure \unicode{x2014}such as the typical fully-connected feedforward neural network\unicode{x2014} amenable to analysis through polyhedral theory and to the application of methodologies such as Linear Programming (LP) and Mixed-Integer Linear Programming (MILP) for a variety of purposes. In this paper, we survey the main topics emerging from this fast-paced area of work, which bring a fresh perspective to understanding neural networks in more detail as well as to applying linear optimization techniques to train, verify, and reduce the size of such networks

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    Undergraduate Catalog of Studies, 2022-2023

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