Springer us aug 1988 (4 Ergebnisse)

Buch. Zustand: Neu. Neuware - This volume represents the proceedings of the third in a series of annual inter national symposia. The first, The Neuroregulation of Autonomic, Endocrine, and Immune Systems, was held in Indianapolis in the fall of 1985. The second, Psychological and Biological Approaches to the Understanding of Human Disease, was held in Bielefeld, Germany in the fall of 1986. The theme of this series concerns the communication between the central nervous system and the other major systems of the body, and the purpose is to monitor the frontiers of research into these neuronal/hormonal regulatory interactions and their application to medicine. The present volume deals with the role of peptides and amino acids in these information transfer processes. Great strides have been made in exploring the important role of amino acids and pep tides in neuroregulation, and the ongoing biotechnology revolution promises signi ficant scientific and medical advances throughout the next decade and beyond. The work described in this volume captures the great excitement and pro mise of this biomedical renaissance. This meeting was cosponsored by Searle/ Monsanto and Washington University and held in St. Louis in the early fall of 1986. A major contributor to these proceedings was Dr. Thomas O'Donohue whose chapter deals with his work in characterizing the endogenous ligands for the PCP and sigma opioid receptors. Tom's personality and career personi fied the dedication of this series to the principle of a broad multidisciplinary approach to scientific problems.…

Buch. Zustand: Neu. Neuware - This book introduces a theory, Naive Semantics (NS), a theory of the knowledge underlying natural language understanding. The basic assumption of NS is that knowing what a word means is not very different from knowing anything else, so that there is no difference in form of cognitive representation between lexical semantics and ency clopedic knowledge. NS represents word meanings as commonsense knowledge, and builds no special representation language (other than elements of first-order logic). The idea of teaching computers common sense knowledge originated with McCarthy and Hayes (1969), and has been extended by a number of researchers (Hobbs and Moore, 1985, Lenat et aI, 1986). Commonsense knowledge is a set of naive beliefs, at times vague and inaccurate, about the way the world is structured. Traditionally, word meanings have been viewed as criterial, as giving truth conditions for membership in the classes words name. The theory of NS, in identifying word meanings with commonsense knowledge, sees word meanings as typical descriptions of classes of objects, rather than as criterial descriptions. Therefore, reasoning with NS represen tations is probabilistic rather than monotonic. This book is divided into two parts. Part I elaborates the theory of Naive Semantics. Chapter 1 illustrates and justifies the theory. Chapter 2 details the representation of nouns in the theory, and Chapter 4 the verbs, originally published as 'Commonsense Reasoning with Verbs' (McDowell and Dahlgren, 1987). Chapter 3 describes kind types, which are naive constraints on noun representations.…

Buch. Zustand: Neu. Neuware - The work presented in this text relates to research work in the general area of adaptive filter theory and practice which has been carried out at the Department of Electrical Engineering, University of Edinburgh since 1977. Much of the earlier work in the department was devoted to looking at the problems associated with the physical implementation of these structures. This text relates to research which has been undertaken since 1984 which is more involved with the theoretical development of adaptive algorithms. The text sets out to provide a coherent framework within which general adaptive algorithms for finite impulse response adaptive filters may be evaluated. It further presents one approach to the problem of finding a stable solution to the infinite impulse response adaptive filter problem. This latter objective being restricted to the communications equaliser application area. The authors are indebted to a great number of people for their help, guidance and encouragement during the course of preparing this text. We should first express our appreciation for the support given by two successive heads of department at Edinburgh, Professor J. H. Collins and Professor J. Mavor. The work reported here could not have taken place without their support and also that of many colleagues, principally Professor P. M. Grant who must share much of the responsibility for instigating this line of research at Edinburgh.…

Buch. Zustand: Neu. Neuware - From my B.E.E degree at the University of Minnesota and right through my S.M. degree at M.I.T., I had specialized in solid state devices and microelectronics. I made the decision to switch to computer-aided design (CAD) in 1981, only a year or so prior to the introduction of the simulated annealing algorithm by Scott Kirkpatrick, Dan Gelatt, and Mario Vecchi of the IBM Thomas 1. Watson Research Center. Because Prof. Alberto Sangiovanni-Vincentelli, my UC Berkeley advisor, had been a consultant at IBM, I re ceived a copy of the original IBM internal report on simulated annealing approximately the day of its release. Given my background in statistical mechanics and solid state physics, I was immediately impressed by this new combinatorial optimization technique. As Prof. Sangiovanni-Vincentelli had suggested I work in the areas of placement and routing, it was in these realms that I sought to explore this new algorithm. My flJ'St implementation of simulated annealing was for an island-style gate array placement problem. This work is presented in the Appendix of this book. I was quite struck by the effect of a nonzero temperature on what otherwise appears to be a random in terchange algorithm.…