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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.


Oracle PL/SQL Programming Oracle PL/SQL Programming

Автор: Steven Feuerstein, Bill Pribyl

Год издания: 

Это учебное пособие по процедурному языку базы данных Oracle. Оно снабжено примерами и полезными рекомендациями. Издание является незаменимым как новичкам, так и гуру, как разработчикам на Oracle Forms, так и администраторам - используйте PL/SQL на полную мощь. Здесь вы прочитаете о таких возможностях как PL/SQL optimizing compiler, conditional compilation, compile-time warnings, regular expressions, set operators for nested tables, nonsequential collections in FORALL, the programmer-defined quoting mechanism, the ability to backtrace an exception to a line number, a variety of new built-in packages, and support for IEEE 754 compliant floating-point numbers.


BC ABAP Programming BC ABAP Programming

Автор: 

Год издания: 

Это учебное пособие о программировании. Release 4.6B.


Applied Statistics and the SAS Programming Language Applied Statistics and the SAS Programming Language

Автор: Ronald P. Cody, Jeffrey K. Smith

Год издания: 

This book is intended to provide the applied researcher with the capacity to perform statistical analyses with SAS software without wading through pages of technical documentation. The researcher is provided with the necessary SAS statements to run programs for most of the commonly used statistics, explanations of the computer output, interpretations of results, and examples of how to construct tables and write up results for reports and journal articles.


Об адекватности систем имитационного моделирования GPSS World и AnyLogic (продолжение) Об адекватности систем имитационного моделирования GPSS World и AnyLogic (продолжение)

Автор: В. Д. Боев

Год издания: 

Автор демонстрирует адекватность GPSS World и AnyLogic относительно результатов моделирования. Поскольку система AnyLogic, в отличие от системы GPSS и, в частности, версии GPSS World, пока не имеет длительной истории применения, более детально демонстрируются методика и приемы моделирования в системе AnyLogic.


Об адекватности систем имитационного моделирования GPSS World и AnyLogic (начало) Об адекватности систем имитационного моделирования GPSS World и AnyLogic (начало)

Автор: В. Д. Боев

Год издания: 

При изучении в рамках различных дисциплин имитационного моделирования, а также в практике создания моделей возникает вопрос о выборе среды разработки, адекватности систем моделирования. В статье на реализованных средствами GPSS World и AnyLogic моделях объектов с разнородными протекающими в них процессами демонстрируется адекватность GPSS World и AnyLogic относительно результатов моделирования. Поскольку применение GPSS World имеет давнее и большее распространение, автором на примерах подробно изложены методики моделирования в AnyLogic.