Biology of Xenopus

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Frank Puppe (ed

A special year like 1999 invites one to draw a balance of what has been achieved in the roughly 30 years of research and development in knowledge based systems (still abbreviated as XPS following the older term “expert systems”) and to take a look at th what the future may hold. For the 5 German conference on knowledge-based systems we therefore asked current and former speakers of the four working groups (FG’s) in the subdivision of knowledge-based systems (FA 1.5) of the German association of Informatics (GI) to present a survey of and future prospects for their respective fields: knowledge engineering, diagnosis, configuration, and case-based reasoning. An additional 14 technical papers deal with current topics in knowledge-based systems with an equal emphasis on methods and applications. They are selected from more than 50 papers accepted in the 4 parallel workshops of XPS-99: a) Knowledge Management, Organizational Memory and Reuse, b) various fields of applications, c) the traditional PuK Workshop (planning and configuration), and d) the GWCBR (German workshop on case-based reasoning). The other papers presented at these workshops are not included in this volume but are available as internal reports of Würzburg university together with the exhibition guide that emphasizing tool support for building knowledge based systems.

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David Yerek

"Deer have been widespread throughout the country for over a hundred years, in the wild and in captivity ... Over that time, [they] have been a bountiful wild resource and export-dollar-earner, a serious pest of native forests, and a valuable farming animal ... the issues surrounding them are complex and no government has managed to reach an accommodation between the opposite poles of the debate. Nevertheless, they are part of our history, and their story needed to be told"--Foreword. "An account of some of the policies and practices that have been adopted in New Zealand with regard to deer in the past century. It is an attempt to capture something of the conflicting attitudes to deer and the resulting treatment of them, to consider the stage we heve now reached and to ponder possible future prospects"--Preface.

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A. Treves, G.C. Perola, L. Stella, (eds

Transitions from the innermost shells of iron, especially the K- and L-shelllines, provide a powerful tool for probing the physical characteristics of hot plasmas in X-ray sources. Their strength and purity allow important conclusions to be drawn even with modest energy resolution. They should also help in studying the regions around black holes and neutron stars. In this book the state of the art and themost recent theoretical and experimental observations are presented. The book will be a valuable source for future satellite missions. It addresses both researchers and graduate students in astrophysics.

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Amy Tilmont, Mark Stewart

"This book takes young readers deep into the complicated and often destructive relationship between humans and nature. Man vs. Animal brings into sharp focus issues that include habitat destruction, climate change, land management and introduction of invasive species--while offering actionable solutions for each both now and in the future"--Provided by publisher.