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North Holland

Computational Methods for Predicting Material Processing Defects
Proceedings of the International Conference on Computational Methods for Predicting Material Processing Defects, September 8-11, 1987, Cachan, France
1st Edition
Volume 15
M. Predeleanu
English
The papers in this book deal with computational methods for predicting material processing defects. Using recent advances in finite strain plasticity and viscoplasticity, damage modelling, bifurcation and instability theory, fracture mechanics and computer numerical techniques, new approaches to mechanical defect analysis are proposed. Appropriate methods for explaining and avoiding the defects leading to fracture, high porosity, strain localization or undesirable geometrical imperfections are presented. In addition, some papers are devoted to new formulations and new calculation algorithms to be used for solving the forming problems. Finally, two papers deal with physical description of defects occurring in forming and cutting operations, focusing on the academic and practical interest of these topics.This is the first book to deal with the prediction of defects occurring in material forming processes; it contains much of interest from both a theoretical and a practical viewpoint.
Uncertainty in Artificial Intelligence
1st Edition
Volume 4
L.N. Kanal + 1 more
English
How to deal with uncertainty is a subject of much controversy in Artificial Intelligence. This volume brings together a wide range of perspectives on uncertainty, many of the contributors being the principal proponents in the controversy.Some of the notable issues which emerge from these papers revolve around an interval-based calculus of uncertainty, the Dempster-Shafer Theory, and probability as the best numeric model for uncertainty. There remain strong dissenting opinions not only about probability but even about the utility of any numeric method in this context.
Price Expectations in Rising Inflation
1st Edition
Volume 152
I. Visco
English
It is claimed in this book that expectations should not necessarily be treated as unobservable variables and that there is much to be learned from survey data. A unique data set is examined, the output of surveys conducted twice a year since 1952, among informed Italian businessmen and economic experts. The predictive accuracy, rationality and determinants of inflation expectations are investigated, following an extensive analysis of measurement issues.The estimate of inflation expectations are evaluated for both wholesale and consumer price changes, comparing them with those held by respondents to other surveys for different countries and with the forecasts generated by alternative predictors of the inflation process. The expectations considered in the study are shown to be remarkably accurate, anticipating all major price changes, even if during the years of high and rising inflation which have followed the first oil crisis they appear to underestimate on a number of occasions the inflation rates actually experienced, as the alternative predictors also do.An accurate testing of the rational expectations hypothesis is conducted, rejecting it over the entire sample period but not for the period of mild, but variable inflation which preceded the first oil crises.It is shown that a mixed adaptive-regressive model, with both error-learning and return-to-normality components adapts very well to the data considered in this study and that inflation expectations are also influenced by an uncertainty component which affects the adaptive coefficient. Furthermore, regression towards normality is slowed down when industrial capacity is utilized above normal, and vice-versa. Many other issues such as the dispersion of individual answers, the problems of aggregation and measurement error are also considered and an extensive bibliography of other works where use is made of direct information on expectations, is included.
Progress in Pattern Recognition 1
1st Edition
L.N. Kanal + 1 more
English
Progress in Pattern Recognition, Volume 1 focuses on the processes, techniques, and approaches involved in pattern recognition, including conceptual clustering, cross-correlation, syntax, software, data structures, and distance transforms. The selection first tackles progress in syntactic pattern recognition and clustering objects into classes characterized by conjunctive concepts. Discussions focus on an overview of clustering problems, conjunctive conceptual clustering, primitive selection and pattern grammars, high dimensional grammars for pattern description, syntactic pattern recognition using stochastic languages, and syntactic approach to shape and texture analysis. The text then elaborates on database representations in hierarchical scene analysis and medium level vision. The book examines image processing software and analysis and synthesis of image patterns by spatial interaction models. Topics include synopsis of discrete spatial interaction models, nonrecursive models over infinite lattices, finite lattice models, and the MSFC image processing package. The text also reviews the mathematical aspects of image reconstruction from projection and recognition of stereo-image cross-correlation errors. The selection is a highly recommended source of data for researchers interested in the process of pattern recognition.
Explaining the Growth of Government
1st Edition
Volume 171
J.A. Lybeck + 1 more
English
The aim of this book is to explain the post-war growth of the public sector in a number of developed economies. The purpose is to see whether scientists familiar with their respective countries' institutional, political and economic framework, but still working as a group, can advance some common factors behind the growth of government.
Artificial Neural Networks, 2
Proceedings of the 1992 International Conference on Artificial Neural Networks (ICANN-92) Brighton, United Kingdom, 4-7 September, 1992
1st Edition
I. Aleksander + 1 more
English
This two-volume proceedings compilation is a selection of research papers presented at the ICANN-92. The scope of the volumes is interdisciplinary, ranging from the minutiae of VLSI hardware, to new discoveries in neurobiology, through to the workings of the human mind. USA and European research is well represented, including not only new thoughts from old masters but also a large number of first-time authors who are ensuring the continued development of the field.
HERMES: Harmonised Econometric Research for Modelling Economic Systems
1st Edition
Commission of the European Commission of the European Com
English
The "HERMES" European system of models is featured in this book. This system was set up at the initiative of the Commission of the European Communities (Directorate-General for Science, Research and Development). It involves a series of medium term, macrosectoral econometric models in which energy plays a special role as a production factor. The different models are interlinked by a bilateral flow module, which describes for each product the trade between all the Community countries taken in twos. The United States, Japan and five zones are represented in this by simplified versions of the Commission's COMET model.This volume will help the reader to understand and interpret the numerous studies which have been undertaken with the help of the HERMES system. Economists and researchers will find valuable information and figures, with a common nomenclature, on the economies of the different countries, both on structural data and on economic operators.
Languages, Compilers and Run-time Environments for Distributed Memory Machines
1st Edition
Volume 3
J. Saltz + 1 more
English
Papers presented within this volume cover a wide range of topics related to programming distributed memory machines. Distributed memory architectures, although having the potential to supply the very high levels of performance required to support future computing needs, present awkward programming problems. The major issue is to design methods which enable compilers to generate efficient distributed memory programs from relatively machine independent program specifications. This book is the compilation of papers describing a wide range of research efforts aimed at easing the task of programming distributed memory machines.
Applications of Fuzzy Set Theory in Human Factors
1st Edition
Volume 6
W. Karwowski + 1 more
English
The development of the theory of fuzzy sets was motivated largely by the need for a computational framework for dealing with systems in which human judgement, behavior and emotions play a dominant role. Although there are very few papers on fuzzy sets in the literature of psychology and cognitive science, the theory of fuzzy sets provides a much better model for human cognition than traditional approaches.By focusing on the application of fuzzy sets in human factors, this book provides a valuable, authoritative overview of what the theory is about and how it can be applied. An impressive feature is the broad spectrum of applications, ranging from the use of fuzzy methods in the ergonomic diagnostics of industrial production systems to approximate reasoning in risk analysis and the modeling of human-computer interactions in information retrieval tasks. Equally impressive is the very wide variety of disciplines and countries represented by the contributors.
Programming, The Impossible Challenge
1st Edition
B. Walraet
English
In its modern form, the computer is only about 40 years old. And so is the job of the computer programmer. This book is a critical history of programming, written to give programmers and analysts in the commercial application field a more pragmatic insight into the background of their profession. It tells the story of why the technology evolved as it did, and how Fifth Generation techniques are already changing the situation.As well as charting the real advances and the passing fashions, this unusual book looks at the situation in perspective, drawing some sad and maybe surprising conclusions while discussing questions such as ``Is programming a job for human beings?'' ``Is it High Noon for the world of programming?''

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