From fundamental concepts and results to recent advances in computational social choice, this open access book provides a thorough and in-depth look at multi-winner voting based on approval preferences. The main focus is on axiomatic analysis, algorithmic results and several applications that are relevant in artificial intelligence, computer science and elections of any kind. What is the best way to select a set of candidates for a shortlist, for an executive committee, or for product recommendations? Multi-winner voting is the process of selecting a fixed-size set of candidates based on the preferences expressed by the voters. A wide variety of decision processes in settings ranging from politics (parliamentary elections) to the design of modern computer applications (collaborative filtering, dynamic Q&A platforms, diversity in search results, etc.) share the problem of identifying a representative subset of alternatives. The study of multi-winner voting provides the principled analysis of this task. Approval-based committee voting rules (in short: ABC rules) are multi-winner voting rules particularly suitable for practical use. Their usability is founded on the straightforward form in which the voters can express preferences: voters simply have to differentiate between approved and disapproved candidates. Proposals for ABC rules are numerous, some dating back to the late 19th century while others have been introduced only very recently. This book explains and discusses these rules, highlighting their individual strengths and weaknesses. With the help of this book, the reader will be able to choose a suitable ABC voting rule in a principled fashion, participate in, and be up to date with the ongoing research on this topic.
Examines political realities in municipal management Running City Hall studies the history and growth of American cities, their legal status, relationships with other governments, city politics, and financing. From the impact of AIDS to performance zoning, the second edition covers such vital topics as electoral systems, administration, municipal unionism, public safety, social services, and planning. Balanced and thorough, this readable and timely work will be welcomed by practitioners, students, and everyone who seeks to understand the American city.
This book encompasses the proceedings of a very successful post graduate course entitled "Radiology Today" held in Salzburg in June 1980. It was organised by Dr. Martin W. Donner of Baltimore and Dr. F. H. W. Heuck of Stuttgart. It was attended by 230 radiologists from 17 countries. The aim was to select a certain number of subjects in diagnostic radiology and in each to have a broad spectrum overview reviewing recent advances presented by an acknowledged expert, followed by a series of rather more detailed papers on various aspects of that field, again given by acknowledged experts drawn from countries throughout Europe and also from the United States of America. This series of presentations on a theme was then followed later the same day by a "workshop" discussion at which the speakers, sometimes joined by other experts from collateral fields of interest, acted as a panel for discussion with the over-view speaker acting as moderator.
Apply the latest scientific and clinical advances with Wall & Melzack's Textbook of Pain, 6th Edition. Drs. Stephen McMahon, Martin Koltzenburg, Irene Tracey, and Dennis C. Turk, along with more than 125 other leading authorities, present all of the latest knowledge about the genetics, neurophysiology, psychology, and assessment of every type of pain syndrome. They also provide practical guidance on the full range of today's pharmacologic, interventional, electrostimulative, physiotherapeutic, and psychological management options. Consult this title on your favorite e-reader with intuitive search tools and adjustable font sizes. Elsevier eBooks provide instant portable access to your entire library, no matter what device you're using or where you're located. Benefit from the international, multidisciplinary knowledge and experience of a "who's who" of international authorities in pain medicine, neurology, neurosurgery, neuroscience, psychiatry, psychology, physical medicine and rehabilitation, palliative medicine, and other relevant fields. Translate scientific findings into clinical practice with updates on the genetics of pain, new pharmacologic and treatment information, and much more. Easily visualize important scientific concepts with a high-quality illustration program, now in full color throughout. Choose the safest and most effective management methods with expanded coverage of anesthetic techniques. Stay abreast of the latest global developments regarding opioid induced hyperalgesia, addiction and substance abuse, neuromodulation and pain management, identification of specific targets for molecular pain, and other hot topics.
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