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For forty years researchers have been attempting to develop systems that would emulate the human translation process. Because natural language makes this such a daunting challenge, machine translation has failed to penetrate the worldwide translation market to any appreciable extent. John Newton places machine translation in its true perspective and fully deals with its current limitations.
"Computers in Translation" is a comprehensive guide to the practical issues surrounding machine translation and computer-based translation tools. Translators, system designers, system operators, and researchers, present the facts about machine translation: its history, its successes, its limitations, and its potential. Three chapters deal with actual machine translation applications, discussing installations including the METEO system used in Canada to translate weather forecasts and weather reports, and the system used in the Foreign Technology Division of the U.S. Air Force. As a guide for non-specialists seeking to broaden theoretical knowledge of the practicalities of machine translation, it will be of particular interest to translators, technical authors, technical publications managers, and students and lecturers in language and linguistics.
RRP $396.99
This celebrated primer presents an introduction to all of the key ingredients in understanding computerized adaptive testing technology, test development, statistics, and mental test theory. Based on years of research, this accessible book educates the novice and serves as a compendium of state-of-the-art information for professionals interested in computerized testing in the areas of education, psychology, and other related social sciences. A hypothetical test taken as a prelude to employment is used as a common example throughout to highlight this book's most important features and problems.
Changes in the new edition include:
*a completely rewritten chapter 2 on the system considerations needed for modern computerized adaptive testing;
*a revised chapter 4 to include the latest in methodology surrounding online calibration and in the modeling of testlets; and
*a new chapter 10 with helpful information on how test items are really selected, usage patterns, how usage patterns influence the number of new items required, and tools for managing item pools.
Multivariable Computer-controlled Systems
RRP $27.99
The transfer function approach is widely used in classical control theory for its easy handling and physical meaning. Although the use of transfer functions is well-established for linear time-invariant systems, it is not suitable for non-stationary systems among which are sampled-data systems and processes with periodically varying coefficients. Computer-controlled continuous-time processes are a very important subset of periodic sampled-data systems which are not treatable using ordinary transfer functions.
Having established the ability of the parametric transfer function to solve this problem for single-input, single-output systems in previous work, the authors extend these methods, which incorporate time-dependence, to the idea of the parametric transfer matrix in a complete exposition of analysis and design methods for multiple-input, multiple-output (MIMO) sampled-data systems.
Multivariable Computer-controlled Systems is divided into three parts:
- Preliminary algebraic material describing the established fundamentals of polynomial and rational matrices necessary for the understanding of later chapters.
- Control problems, important in their own right but which also have a substantial bearing on what follows (eigenvalue assignment and the use of z- and zeta-transforms in discrete systems).
- Frequency methods for the investigation of MIMO sampled-data systems (parametric discrete-time models; stability; stochastic methods; H2 optimization and L2 design).
Appendices covering basic mathematical formulae and the description of two MATLAB(r) toolboxes round out this self-contained guide to multivariable control systems.
Of special interest to researchers in automatic control and to development engineers working with advanced control technology, Multivariable Computer-controlled Systems will also interest mathematical control theorists and graduate students studying advanced methods of computer-based control.
Chemicals Used For Illegal Purposes
RRP $291.99
<i>Chemicals Used for Illegal Purposes</i> helps hazmat professionals and others determine if chemicals at a suspicious site could be used to make illegal substances such as drugs, explosives, pyrotechnics, nerve agents, and other toxins. It profiles dangerous chemicals, covering their appearance, smell, incompatibilities, and identification tests. It features diagrams to assist responders in identifying illegal laboratories. This is a hands-on reference for crime scene responders, policemen, firemen, bomb squad members, drug enforcement officials, and others who need to be able to identify potentially hazardous materials and react quickly and appropriately.
RRP $318.95
We have come to know that our ability to survive and grow as a nation to a very large degree depends upon our scientific progress. Moreover, it is not enough simply to keep 1 abreast of the rest of the world in scientific matters. We must maintain our leadership. President Harry Truman spoke those words in 1950, in the aftermath of World War II and in the midst of the Cold War. Indeed, the scientific and engineering leadership of the United States and its allies in the twentieth century played key roles in the successful outcomes of both World War II and the Cold War, sparing the world the twin horrors of fascism and totalitarian communism, and fueling the economic prosperity that followed. Today, as the United States and its allies once again find themselves at war, President Truman s words ring as true as they did a half-century ago. The goal set out in the Truman Administration of maintaining leadership in science has remained the policy of the U. S. Government to this day: Dr. John Marburger, the Director of the Office of Science and Technology (OSTP) in the Executive Office of the President, made remarks to that effect during his 2 confirmation hearings in October 2001. The United States needs metrics for measuring its success in meeting this goal of maintaining leadership in science and technology. That is one of the reasons that the National Science Foundation (NSF) and many other agencies of the U. S."
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