21st Century Skills: Learning for Life in Our Times Review

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(More customer reviews)
First off, thanks to the authors for writing a book that is applicable to teaching and learning. I've read 6 other books on 21st century skills topics and none have come close to providing models, examples, etc. on teaching and learning. In this book the authors spend less time detailing the changes in our world that are bringing an emphasis on "21st century skills" back to the forefront and more time on defining the skills and a learning framework to be used by educators in assisting students acquisition of these skills. The text details each "21st century skill" with descriptors of what students should be able to do. For educators, this is paramount in designing performance tasks and/or evaluating student performance tasks as actually being a "21st century skill." The authors then provide a learning framework or the "the project learning bicycle" and finish up with good descriptors of system changes to promote the implementation of their ideas. To sum up my thoughts, this is a book written for educational practitioners.
Dee W. Hartt, Ed. D.


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The new building blocks for learning in a complex world
This important resource introduces a framework for 21st Century learning that maps out the skills needed to survive and thrive in a complex and connected world. 21st Century content includes the basic core subjects of reading, writing, and arithmetic-but also emphasizes global awareness, financial/economic literacy, and health issues. The skills fall into three categories: learning and innovations skills; digital literacy skills; and life and career skills. This book is filled with vignettes, international examples, and classroom samples that help illustrate the framework and provide an exciting view of twenty-first century teaching and learning.
Explores the three main categories of 21st Century Skills: learning and innovations skills; digital literacy skills; and life and career skills
Addresses timely issues such as the rapid advance of technology and increased economic competition
Based on a framework developed by the Partnership for 21st Century Skills (P21)

The book contains aDVD with video clips of classroom teaching. For more information on the book visit www.21stcenturyskillsbook.com.

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Fundamentals of Speech Recognition Review

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(More customer reviews)This book is a comprehensive and excellent introduction to the ever-expanding
field of Automatic Speech Recognition. Starting with models of speech
production, speech characterization, methods of analysis (transforms etc),
the authors go onto discuss pattern comparison, hidden Markov models (HMMs),
and design and implementation of speech recognition systems, right from
isolated word recognition to large vocabulary continuous speech recognition
systems. Neural networks and their use in speech recognition is also presented,
though somewhat briefly.
Rabiner was the author of the first widely-read tutorial on HMMs, so
naturally the presentation of HMMs is one of the strong points of this
textbook. The theory is developed in detail, but in an easy to follow
fashion, starting with the very basics and with plenty of helpful examples.
The implementation is discussed at great length as well, starting with
the simplest of tasks and progressing to the state-of-the-art (circa 1993).
That isn't to say that HMMs are the only good part of this book - indeed,
practically every topic, whether it be perception, transforms, vector quantization
or dynamic programming, is presented with great clarity. This book really is easy to
learn from, with numerous examples and illustrations.
The field of speech recognition is inherently multi-disciplinary in nature,
drawing upon various areas of study, including Physics, Physiology, Acoustics,
Signal Processing and Computer Science, to name but a few. The authors do a
great job of explaining all these facets, as well as the mathematics that
is an essential tool.

The only caveat is that it's now a little old (published 1993), since the
field has been growing by leaps and bounds - so while the basics remain
the same, things have changed and hence what's said here should not be
taken as the last word on the subject.
Perhaps a new edition is due, and would certainly be most welcome.
However, for an excellent, accessible introduction to this exciting field,
this is still a great choice.

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Provides a theoretically sound,technically accurate, and complete description of the basicknowledge and ideas that constitute a modern system forspeech recognition by machine. Coversproduction, perception, and acoustic-phoneticcharacterization of the speech signal; signal processing andanalysis methods for speech recognition; pattern comparisontechniques; speech recognition system design andimplementation; theory and implementation of hidden Markovmodels; speech recognition based on connected word models;large vocabulary continuous speech recognition; and task-oriented application of automatic speech recognition. For practicing engineers, scientists,linguists, and programmers interested in speech recognition.

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The Ruby Programming Language Review

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(More customer reviews)Originally planned as a second edition to Ruby classic, Ruby In A Nutshell, The Ruby Programming Language is a new book by David Flanagan and Yukihiro Matsumoto (a.k.a. Matz - creator of Ruby) and published by O'Reilly. The book covers both Ruby 1.8 and 1.9 and with its esteemed authors and technical approach, is sure to become a new "Bible" for Ruby developers.
As of the start of 2008 this book is REALLY fresh and up to date. Its style is very direct and matter-of-fact; well suited for existing Ruby developers and proficient developers coming from other languages. The examples are clear and logical and the explanations concise; this is a well edited and authoritative book.
The structure of the book is a delight with ten well-defined chapters (with titles such as Reflection and Metaprogramming, Statements and Control Structures, and Expressions and Operators) that each contain a tree of sections. Consider Chapter 4, Expressions and Operators. A sample dive down to section 4.5.5.2 takes us through 4.5, Assignments; 4.5.5, Parallel Assignment; and finally to 4.5.5.2, One lvalue, multiple rvalues. This is a breath of fresh air in a Ruby reference work.
The only downside, in terms of the thousands who might be browsing Amazon looking for a single Ruby book to start off with, is that this book is so well focused on documenting the core elements of the Ruby language, it doesn't work either as a tutorial / beginner's introduction to Ruby, or as an exhaustive reference work (as, on both fronts, the Pickaxe attempts to be.) This lack of dilution may be an ultimate strength, however, since anyone above the station of "beginner" will be able to learn Ruby thoroughly from this book, use it as a general reference, and then be able to use the exhaustive documentation that comes with Ruby itself to cover the standard library and built-in classes.
In conclusion, whether you're an existing developer or a newcomer to Ruby, you need just three things to be up and running with Ruby in the book / documentation department. Buy this, the Ruby Way (by Hal Fulton), and learn how to use the documentation that comes with Ruby.
This book will act as the "Bible" for Ruby, the Ruby Way will make you an expert, and learning how to use the documentation that comes with Ruby will mean you're not using information that's out of date within a couple of years. The perfect combo! It'll last you for years.

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The Ruby Programming Language is the authoritative guide to Ruby and provides comprehensive coverage of versions 1.8 and 1.9 of the language. It was written (and illustrated!) by an all-star team:

David Flanagan, bestselling author of programming language "bibles" (including JavaScript: The Definitive Guide and Java in a Nutshell) and committer to the Ruby Subversion repository.
Yukihiro "Matz" Matsumoto, creator, designer and lead developer of Ruby and author of Ruby in a Nutshell, which has been expanded and revised to become this book.
why the lucky stiff, artist and Ruby programmer extraordinaire.
This book begins with a quick-start tutorial to the language, and then explains the language in detail from the bottom up: from lexical and syntactic structure to datatypes to expressions and statements and on through methods, blocks, lambdas, closures, classes and modules. The book also includes a long and thorough introduction to the rich API of the Ruby platform, demonstrating -- with heavily-commented example code -- Ruby's facilities for text processing, numeric manipulation, collections, input/output, networking, and concurrency. An entire chapter is devoted to Ruby's metaprogramming capabilities.The Ruby Programming Language documents the Ruby language definitively but without the formality of a language specification. It is written for experienced programmers who are new to Ruby, and for current Ruby programmers who want to challenge their understanding and increase their mastery of the language.

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Hot Text: Web Writing that Works Review

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(More customer reviews)There are only a few books about writing that I consider classics, and despite the relative newness of this one, it qualifies.
First, the advice on writing online text is on the mark, especially with respect to organizing your message and presenting it with impact. Much of the advice can also be effectively used in paper-based documents. I particularly liked the way the authors presented punctuation because in paper-based text a mark such as a colon is easy to spot, whereas on a monitor it's lost. I've since begun using a dash instead of a colon when developing online content and that small piece of advice works where a colon does not. Of course there are literally hundreds of other tips and advice that will combine to make your content readable and understandable.
Second, the way the authors show you how to organize your thoughts, distill them into a coherent and succinct message, and how to present that message is a strategy that anyone who develops online content needs to carefully read and heed.
Finally, this book covers much more than how to write - it also gives excellent advice on a full range of related topics, including search engine placement using meta tags, humanizing the technical nature of web pages (such as making URLs easy to read and remember for non-technical users), and how to structure your content to find items of interest. The latter extensively uses principles from Information Mapping©. One disappointment was the omission of any mention of Robert Horn, the inventor of Information Mapping©, from the extensive list of cited references and recommended reading because the authors' approach is closely aligned to much of Horn's work.
If you're developing online content you cannot afford to pass this book up. Mine is a constant deskside companion and is likely to remain so for years to come.

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