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Libro: Natural Language Processing and Information Systems (978-3-540-73350-8) de Zoubida Kedad; Nadira Lammari; Elisabeth Mtais; Farid Meziane; Yacine Rezgui (Springer Science Business Media ) Comprar Libros de Ciencias Técnicas .Informática .. The 12th International Conference on Applications of Natural Language to Infor- tion Systems (NLDB 2007) took place during June 2729 in Paris (France). Since the first edition in 1995, the NLDB conference has been aiming at bringing together researchers, people working in industry and potential users interested in various - plications of natural language in the database and information system areas. Natural language and databases are core components in the development of inf- mation systems. NLP techniques may substantially enhance most phases of the information system lifecycle, starting with requirement analysis, specification and validation, and going up to conflict resolution, result processing and presentation. Furthermore, natural language-based query languages and user interfaces facilitate the access to information for all and allow for new paradigms in the usage of comput- ized services. Hot topics such as information retrieval and Semantic Web-based applications imply a complete fusion of databases and NLP techniques. Among an increasing number of submitted papers (110), the Program Committee selected 31 papers as full papers, thus coming up with an acceptance rate of 28%. These proceedings also include 12 short papers that were presented at the conference and two invited talks, one given by Andrew Basden and Heinz Klein and the other given by Max Silberztein. 0
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EAN: 9780792372240
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Libro: Logic-Based Artificial Intelligence (978-0-7923-7224-0) de Jack Minker (Springer Science Business Media ) Comprar Libros de Tiempo Libre .Libros de cocina y gastronomía .Otros libros de cocina y gastronomía .. The use of mathematical logic as a formalism for artificial intelligence was recognized by John McCarthy in 1959 in his paper on Programs with Common Sense. In a series of papers in the 1960s he expanded upon these ideas and continues to do so to this date. It is now 41 years since the idea of using a formal mechanism for AI arose. It is therefore appropriate to consider some of the research, applications and implementations that have resulted from this idea. In early 1995 John McCarthy suggested to me that we have a workshop on Logic-Based Artificial Intelligence (LBAI). In June 1999, the Workshop on Logic-Based Artificial Intelligence was held as a consequence of McCarthys suggestion. The workshop came about with the support of Ephraim Glinert of the National Science Foundation (IIS-9S2013S), the American Association for Artificial Intelligence who provided support for graduate students to attend, and Joseph JaJa, Director of the University of Maryland Institute for Advanced Computer Studies who provided both manpower and financial support, and the Department of Computer Science. We are grateful for their support. This book consists of refereed papers based on presentations made at the Workshop. Not all of the Workshop participants were able to contribute papers for the book. The common theme of papers at the workshop and in this book is the use of logic as a formalism to solve problems in AI. 0
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EAN: 9783540454786
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Libro: From Microphysics to Macrophysics (978-3-540-45478-6) de Roger Balian (Springer Science Business Media ) Comprar Libros de Ciencias Técnicas .Ingeniería .Otros Títulos De Interés .. This popular, often cited text returns in a softcover edition to provide a thorough introduction to statistical physics and thermodynamics, and to exhibit the universal chain of ideas leading from the laws of microphysics to the macroscopic behaviour of matter. A wide range of applications illustrates the concepts, and many exercises reinforce understanding. Volume II applies statistical methods to systems governed by quantum effects, in particular to solid state physics, explaining properties due to the crystal structure or to the lattice excitations or to the electrons. The last chapters are devoted to non-equilibrium processes and to kinetic equations, with many applications included. 0
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EAN: 9783540669845
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Libro: Computer-Supported Cooperative Work (978-3-540-66984-5) de Uwe M. Borghoff; Johann H. Schlichter (Springer Science Business Media ) Comprar Libros de Ciencias Técnicas .Informática .Otros temas .Otros .. The terms groupware and CSCW (computer-supported cooperative work) have received significant attention in computer science and related disciplines for quite some time now. This book is a revised and extended version of the 2nd edition of the German textbook "Rechnergesttzte Gruppenarbeit: Eine Einfhrung in verteilte Anwendungen". It has two main objectives: first, to outline the meaning of both terms, and second, to point out both the numer ous opportunities for users of groupware and the risks of applying such sys tems. The book intends to introduce an area of distributed systems, namely the computer support of individuals trying to solve a common problem in cooperation with each other but not necessarily having identical work pi aces or working times. Computer-supported cooperative work is an interdisciplinary application domain. It can be viewed as a synergism between the areas of distributed sys tems and (multimedia-) communication on the one hand and between those of information science and socio-organizational theory on the other hand. Thus, the book is meant to help students of aH these disciplines, as weH as users and developers of systems which have communication and cooperation within groups as top priorities. 0
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EAN: 9780387955230
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Libro: Mathematical Methods Using Mathematica (978-0-387-95523-0) de Sadri Hassani (Springer Science Business Media ) Comprar Libros de Ciencias Técnicas .Física .Astronomía. Astrofísica. Investigación espacial. Geodesia. .. Intended as a companion for textbooks in mathematical methods for science and engineering, this book presents a large number of numerical topics and exercises together with discussions of methods for solving such problems using Mathematica(R). The accompanying CD contains Mathematica Notebooks for illustrating most of the topics in the text and for solving problems in mathematical physics. Although it is primarily designed for use with the author's "Mathematical Methods: For Students of Physics and Related Fields," the discussions in the book sufficiently self-contained that the book can be used as a supplement to any of the standard textbooks in mathematical methods for undergraduate students of physical sciences or engineering. 0
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EAN: 9789024729777
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Libro: Cold Plasma Waves (978-90-247-2977-7) de H.G. Booker (Springer Science Business Media ) Comprar Libros de Literatura .Literatura en Otros Idiomas .Novela y Narrativa en Inglés .. The book aims to present current knowledge concerning the propagation of electro magnetic waves in a homogeneous magnetoplasma for which temperature effects are unimportant. It places roughly equal emphasis on the radio and the . hydromagnetic parts of the electromagnetic spectrum. The dispersion properties of a magnetoplasma are treated as a function both of wave frequency (assumed real) and of ionization density. However, there is little discussion of propagation in a stratified medium, for of collisions is included only which reference may be made to Budden [1] . The effect in so far as this can be done with simplicity. The book describes how pulses are radiated from both small and large antennas embedded in a homogeneous magneto plasma. The power density radiated from a type of dipole antenna is studied as a function of direction of radiation in all bands of wave frequency. Input reactance is not treated, but the dependence of radiation resistance on wave frequency is described for the entire electromagnetic spectrum. Also described is the relation between beaming and guidance for Alfven waves. 0
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EAN: 9780387230610
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Libro: What Do Children Need to Flourish? (978-0-387-23061-0) de Kristin Anderson Moore; Laura H. Lippman (Springer Science Business Media ) Comprar Libros de Ciencias Humanas .Psicología .Psicología evolutiva y de la educación .Psicología evolutiva .. Regardless of its validity, many adults share a belief that todays youth face an inauspicious future. Drugs, sex, violence, disintegration of the nuclear family, technology that replaces interpersonal relationshipsthats what you hear in the news. The media, through its dramatization of the dangers and risks children confront and pose, have created a well-established image of disenfranchised, hostile, and often-destructive children and adolescents. This image ignores the many children who are thriving as well as the possibility of positive outcomes for children and youth. With children comprising roughly 30% of the global populationalmost 2 billion children worldwideunderstanding exactly what leads children to grow into confident, caring, responsible adults is an issue that belongs at the forefront of every nations agenda. Increasingly, it is understood that we need not only to prevent negative outcomes but to promote positive outcomes. What Do Children Need to Flourish? Conceptualizing and Measuring Indicators of Positive Development, part of The Search Series on Developmentally Attentive Community and Society, focuses on how scholars and practitioners can begin to build rigorous measures of the healthy behaviors and attitudes that result in positive outcomes for children and youth. The volume is presented in five parts: Introduction and conceptual framework. Positive formation of the selfcharacter, values, spirituality, life satisfaction, hope, and ethnic identity. Healthy habits, positive behaviors, and time use. Positive relationships with parents and siblings. Positive attitudes and behaviors toward learning and school environments. Enacting positive values and behaviors in communities. What Do Children Need to Flourish? Conceptualizing and Measuring Indicators of Positive Development is an important volume for researchers and practitionersin fact, for anyone interested and involved in working with children and adolescents. 0
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EAN: 9783540679028
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Libro: Semiconductor Surfaces and Interfaces (978-3-540-67902-8) de Mnch, Winfried (Springer Science Business Media ) Comprar Libros de Ciencias Técnicas .Ingeniería .Ingeniería Mecánica .. Semiconductor Surfaces and Interfaces deals with structural and electronic properties of semiconductor surfaces and interfaces. The first part introduces the general aspects of space-charge layers, of clean-surface and adatom-induced surfaces states, and of interface states. It is followed by a presentation of experimental results on clean and adatom-covered surfaces which are explained in terms of simple physical and chemical concepts. Where available, results of more refined calculations are considered. This third edition has been thoroughly revised and updated. In particular it now includes an extensive discussion of the band lineup at semiconductor interfaces. The unifying concept is the continuum of interface-induced gap states. 0
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