Complex networks are typically not homogeneous, as they tend to display an array of structures at different scales. A feature that has attracted a lot of research is their modular organisation, i.e., networks may often be considered as being composed of certain building blocks, or modules. In this Element, the authors discuss a number of ways in which this idea of modularity can be conceptualised, focusing specifically on the interplay between modular network structure and dynamics taking place on a network. They discuss, in particular, how modular structure and symmetries may impact on network dynamics and, vice versa, how observations of such dynamics may be used to infer the modular structure. They also revisit several other notions of modularity that have been proposed for complex networks and show how these can be related to and interpreted from the point of view of dynamical processes on networks.
The Tall al-Hamman Excavations, Volume 1 is the first in a series of reports on the Tall al-Hammam Excavation Project, directed by Steven Collins of Trinity Southwest University and assisted by Gary Byers and Carroll Kobs, assistant dig directors. Co-author Mike Luddeni has been dig photographer since the inception of the Project. Excavations began in Jordan in 2005–2006 and have continued annually, without break, up to the present. This volume presents an overview of the site, with a period-by-period overview of Tall al-Hammam and its relationship to other sites in the vicinity in the Jordan Valley. It also includes the pottery profiles and assemblages and artifacts discovered in the course of these seasons. Future volumes will include in-depth excavation reports for specific areas of the Tall.
Pathological reactions to adverse life events are frequent. However, it has become increasingly clear that current clinical descriptions and diagnostic classifications, which subsume all such reactions under terms such as "PTSD" or "reactive and adjustment disorder," are inadequate.One widely seen type of pathological reaction can be classified as "Posttraumatic Embitterment Disorder (PTED)." Like PTSD, this disorder is characterized not by a particular type of stressful events, but by a distinct psychological process (experiences of injustice and violation of basic beliefs) and by a highly specific psychopathological profile (embitterment and intrusions). The symptoms of PTED can be very severe, chronic, life-threatening (because of suicidal and/or homicidal fantasies), and hard to treat, and often result in disability in almost all areas of life.This book provides the first comprehensive description of PTED. The authors first summarize the theoretical background for PTED and reactive and adjustment disorders. They then describe the psychological processes involved in coping with insults, humiliation, and injustice. Data on the epidemiology of PTED in the general population and patient groups are reported. Diagnostic criteria, diagnostic interviews, and self-rating scales are presented. Finally, promising and innovative avenues for treating these patients are described, based on new concepts from wisdom psychology. A highly practical Appendix includes diagnostic checklists and tools for treatment planning with PTED patients, suitable for use by both researchers and clinicians.This ground-breaking book is of interest to researchers and clinicians working in the field of posttraumatic and adjustment disorders, as well as to forensic psychologists and psychiatrists who may have to give expert opinions in cases involving trauma.
Most physiological and behavioral mechanisms that comprise the stress response come from laboratory experiments using domesticated animals. This book summarizes work to understand stress in natural contexts. It places modern stress research into an evolutionary context and provides predictions on how wild animals might cope with human-altered habitats.
The idea of this book grew out of a symposium that was held at Stony Brook in September 2012 in celebration of David S.Warren's fundamental contributions to Computer Science and the area of Logic Programming in particular. Logic Programming (LP) is at the nexus of Knowledge Representation, Artificial Intelligence, Mathematical Logic, Databases, and Programming Languages. It is fascinating and intellectually stimulating due to the fundamental interplay among theory, systems, and applications brought about by logic. Logic programs are more declarative in the sense that they strive to be logical specifications of "what" to do rather than "how" to do it, and thus they are high-level and easier to understand and maintain. Yet, without being given an actual algorithm, LP systems implement the logical specifications automatically. Several books cover the basics of LP but focus mostly on the Prolog language with its incomplete control strategy and non-logical features. At the same time, there is generally a lack of accessible yet comprehensive collections of articles covering the key aspects in declarative LP. These aspects include, among others, well-founded vs. stable model semantics for negation, constraints, object-oriented LP, updates, probabilistic LP, and evaluation methods, including top-down vs. bottom-up, and tabling. For systems, the situation is even less satisfactory, lacking accessible literature that can help train the new crop of developers, practitioners, and researchers. There are a few guides onWarren’s Abstract Machine (WAM), which underlies most implementations of Prolog, but very little exists on what is needed for constructing a state-of-the-art declarative LP inference engine. Contrast this with the literature on, say, Compilers, where one can first study a book on the general principles and algorithms and then dive in the particulars of a specific compiler. Such resources greatly facilitate the ability to start making meaningful contributions quickly. There is also a dearth of articles about systems that support truly declarative languages, especially those that tie into first-order logic, mathematical programming, and constraint solving. LP helps solve challenging problems in a wide range of application areas, but in-depth analysis of their connection with LP language abstractions and LP implementation methods is lacking. Also, rare are surveys of challenging application areas of LP, such as Bioinformatics, Natural Language Processing, Verification, and Planning. The goal of this book is to help fill in the previously mentioned void in the LP literature. It offers a number of overviews on key aspects of LP that are suitable for researchers and practitioners as well as graduate students. The following chapters in theory, systems, and applications of LP are included.
Inhaltsangabe:Abstract: At present, the World Wide Web faces several problems regarding the search for specific in formation, arising, on the one hand, from the vast number of information sources available, and, on the other hand, from their intrinsic heterogeneity. A promising approach for solving the complex problems emerging in this context is the use of information agents in a multi-agent environment, which cooperatively solve advanced information-retrieval problems. An intelligent information agent provides advanced capabilities resorting to some form of logical reasoning, based on ad-hoc-knowledge about the task in question and on background knowledge of the domain, suitably represented in a knowledge base. In this thesis, our interest is in the role which some methods from the field of declarative logic programming can play in the realization of reasoning capabilities for intelligent information agents. We consider the task of updating extended logic programs (ELPs), since, in order to ensure adaptivity, an agent s knowledge base is subject to change. To this end, we develop update agents, which follow a declarative update policy and a reimplemented in the IMPACT agent environment. The proposed update agents adhere to a clear semantics and are able to deal with incomplete or in consistent information in an appropriate way. Furthermore, we introduce a framework for reasoning about evolving knowledgebases, which are represented as ELPs and maintained by an update policy. We describe a formal model which captures various update approaches, and define a logical language for expressing properties of evolving knowledge bases. We further investigate these mantical properties of knowledge states with respect to reasoning. In particular, we describe finitary characterizations of the knowledge evolution, and derive complexity results for our framework. Finally, we consider aparticular problem of information agents, namely information source selection, and develop an intelligent site-selection agent. We use ELPs for representing relevant knowledge and for declarative query an alysis and query abstraction. We define syntax and semantics of declarative site-selection programs, making use of advanced methods from answer set programming for priority handling and quantitative reasoning. A site selection component is implemented on top of the DLVKR system and its plp front-end for prioritized ELPs. We report experimental results for this implementation, [...]
Expectations of a technological revolution are associated with nanotechnology, and indeed the generation, modification and utilization of objects with tiniest dimensions already permeates science and research in a way that the absence of nanotechnology is no longer conceivable. It has progressed to an independent interdisciplinary field, its great success due to the purposeful combination of physical, mechanical and molecular techniques. This book starts out with the most important fundamentals of microtechnology and chemistry on which the understanding of shaping nanoscale structures are based, then a variety of examples illustrate the fabrication of nanostructures from different materials. Subsequently, methods for characterization of the generated structures are presented to the reader. Through this fascinating introduction, both scientists and engineers gain insights into the "other side" of nanotechnology.
Anatomy of Neuropsychiatry presents the anatomical systems that take part in the scientific and clinical study of emotional functions and neuropsychiatric disorders. It discusses the limbic system—the cortical and subcortical structures in the human brain involved in emotion, motivation, and emotional association with memory—at length and how this is no longer a useful guide to the study of psychiatric disorders. The book provides an understanding of brain anatomy, with an emphasis on the new anatomical framework which has emerged during the last quarter century. The goal is to help the reader develop an understanding of the gross anatomical organization of the human forebrain. A re-evaluation of brain anatomy, with an emphasis on the new anatomical framework which has emerged during the last quarter century A compellingly expanded conceptualization of Broca's famous limbic lobe Clinical and basic science boxes highlighting specific concepts, structures, or neuronal circuits from a clinical perspective
Integrated Population Models: Theory and Ecological Applications with R and JAGS is the first book on integrated population models, which constitute a powerful framework for combining multiple data sets from the population and the individual levels to estimate demographic parameters, and population size and trends. These models identify drivers of population dynamics and forecast the composition and trajectory of a population. Written by two population ecologists with expertise on integrated population modeling, this book provides a comprehensive synthesis of the relevant theory of integrated population models with an extensive overview of practical applications, using Bayesian methods by means of case studies. The book contains fully-documented, complete code for fitting all models in the free software, R and JAGS. It also includes all required code for pre- and post-model-fitting analysis. Integrated Population Models is an invaluable reference for researchers and practitioners involved in population analysis, and for graduate-level students in ecology, conservation biology, wildlife management, and related fields. The text is ideal for self-study and advanced graduate-level courses. Offers practical and accessible ecological applications of IPMs (integrated population models) Provides full documentation of analyzed code in the Bayesian framework Written and structured for an easy approach to the subject, especially for non-statisticians
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