Sustainability as a reference frame for dealing with the interconnection of environmental, economic and social issues on a global scale is not only characterized by complex problems and long-term strategies but also by differences and disagreements with regard to its meanings and how they should be realised. Therefore, Rather than seeking a single most appropriate definition of Sustainability, the main focus of this book is on how specific Sustainability problems are defined by whom and in which contexts, what solutions are pursued to tackle them, and which effects they have in practice. This account of the social nature of Sustainability is intended to assist its readers to better understand the complexities, dynamism, and ambivalence of this concept as well as to find their own position in relation to it. For this purpose, the book traces the historical development of the larger discourse on Sustainability and investigates responses to three grand Sustainability challenges: climate change, energy, and agricultural food production. It suggests that promoting Sustainability requires continuous and active care and is inseparable from political debate about the normative foundations of society.
Indecomposable symmetric Lorentzian manifolds of non-constant curvature are called Cahen-Wallach spaces. Their isometry classes are described by continuous families of real parameters. The authors derive necessary and sufficient conditions for the existence of compact quotients of Cahen-Wallach spaces in terms of these parameters.
Despite a worldwide increase in demand for fresh-cut fruit and vegetables, in many countries these products are prepared in uncontrolled conditions and have the potential to pose substantial risk for consumers. Correspondingly, researchers have ramped up efforts to provide adequate technologies and practices to assure product safety while keeping n
We are living in a multilingual world and the diversity in languages which are used to interact with information access systems has generated a wide variety of challenges to be addressed by computer and information scientists. The growing amount of non-English information accessible globally and the increased worldwide exposure of enterprises also necessitates the adaptation of Information Retrieval (IR) methods to new, multilingual settings. Peters, Braschler and Clough present a comprehensive description of the technologies involved in designing and developing systems for Multilingual Information Retrieval (MLIR). They provide readers with broad coverage of the various issues involved in creating systems to make accessible digitally stored materials regardless of the language(s) they are written in. Details on Cross-Language Information Retrieval (CLIR) are also covered that help readers to understand how to develop retrieval systems that cross language boundaries. Their work is divided into six chapters and accompanies the reader step-by-step through the various stages involved in building, using and evaluating MLIR systems. The book concludes with some examples of recent applications that utilise MLIR technologies. Some of the techniques described have recently started to appear in commercial search systems, while others have the potential to be part of future incarnations. The book is intended for graduate students, scholars, and practitioners with a basic understanding of classical text retrieval methods. It offers guidelines and information on all aspects that need to be taken into consideration when building MLIR systems, while avoiding too many ‘hands-on details’ that could rapidly become obsolete. Thus it bridges the gap between the material covered by most of the classical IR textbooks and the novel requirements related to the acquisition and dissemination of information in whatever language it is stored.
Martin Gardner's Mathematical Games columns in Scientific American inspired and entertained several generations of mathematicians and scientists. Gardner in his crystal-clear prose illuminated corners of mathematics, especially recreational mathematics, that most people had no idea existed. His playful spirit and inquisitive nature invite the reader into an exploration of beautiful mathematical ideas along with him. These columns were both a revelation and a gift when he wrote them; no one--before Gardner--had written about mathematics like this. They continue to be a marvel. This volume is a collection of Irving Joshua Matrix columns published in the magazine from 1960-1980. There were several collections of Dr. Matrix, the first in 1967; they were revised as Gardner reconnected with the good doctor over the years. This is the 1985 Prometheus Books edition and contains all the Dr. Matrix columns from the magazine.
Current approaches to the drug problem are not working and almost everyone agrees that more effective solutions are needed. This comprehensive volume offers a dynamic new approach to understanding and solving the drug problem. This text applies the techniques and formulations of general semantics to investigate and make recommendations about various aspects of drug abuse. General semantics, a process problem-solving approach based on the primacy of the scientific method and importance of language as a shaper of thoughts and perceptions, has a proven record of success in problem-solving across a wide variety of disciplines and fields. Topics examined include American drug history and policy, the legalization issue, drugs and creativity, treatment, and prevention. A chronological overview of drug-taking in human history and a resource guide are provided. One chapter offers an in-depth description of an effective drug abuse prevention model and a program using the model.
Sustainability is one of the key concepts underlying our thinking about corporate responsibilities, particularly with respect to the environment and inter-generational justice, but also in relation to corporate governance and the long-term economic viability. The advantages of the discourse of Sustainability are that it brings together contemporary economic and moral imperatives in the context of scientific knowledge. Its disadvantages relate to its open-ended content, its systematic ambiguity, and the internal tensions between economic growth, human survival and global justice. The essays in this volume reflect these strengths and weaknesses from a variety of viewpoints - economic, scientific, social and philosophical. They illustrate and illuminate the varied and contested content and utility of this currently popular concept and point to its multiple implications for the development of corporate responsibilities.
Sustainability as a reference frame for dealing with the interconnection of environmental, economic and social issues on a global scale is not only characterized by complex problems and long-term strategies but also by differences and disagreements with regard to its meanings and how they should be realised. Therefore, Rather than seeking a single most appropriate definition of Sustainability, the main focus of this book is on how specific Sustainability problems are defined by whom and in which contexts, what solutions are pursued to tackle them, and which effects they have in practice. This account of the social nature of Sustainability is intended to assist its readers to better understand the complexities, dynamism, and ambivalence of this concept as well as to find their own position in relation to it. For this purpose, the book traces the historical development of the larger discourse on Sustainability and investigates responses to three grand Sustainability challenges: climate change, energy, and agricultural food production. It suggests that promoting Sustainability requires continuous and active care and is inseparable from political debate about the normative foundations of society.
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