A second addictive compendium of brand new puzzles that rely on patience, logic, and ingenuity to crack the code The perfect alternative to knowledge-based crosswords and number-crunching sudokus, Codeword is an utterly addictive puzzle designed to test word power and logic. The concept is simple. Each number represents a letter; puzzle-crackers must use a base of solved letters to unveil more letters, form words, and then crack the code. This compelling collection contains 150 new puzzles ranked in increasing levels of difficulty, making this the perfect introductory volume for novices.
Appearing daily in the newspaper, Codeword is a popular alternative to Su Doku and Crosswords. The concept is simple: each number represents a letter, so, starting with the solved letters, use your logic and vocabulary to reveal more letters, form words, and then crack the code! The Codeword series is so popular because you don't need any prior knowledge, unlike a crossword. You can just pick up a pen and get puzzling. It steadily increases your vocabulary, as the difficulty slowly grows as you progress through the book, and even though you'll be working your brain, it's the perfect way to unwind.
A third volume of 150 utterly addictive codewords The concept is simple. Each number represents a letter, so, starting with the solved letters, a player uses their logic and vocabulary to reveal more letters, form words, and then crack the code. The Codeword series is so popular because unlike a crossword, no prior knowledge is needed—players can just pick up a pen and get puzzling. The difficulty slowly grows as they progress through the book expanding their vocabulary, and even though it gives a workout to the brain, it's the perfect way to unwind.
Codeword: Apollyon shows terrorism's "second wave"-following the bombings of the World Trade Center and Pentagon on September 11th, 2001, from the microcosmic perspective of two US intelligence officers who seek out local terrorists in their midst, fall in love, and put their lives in the balance...as did the brave souls during "9-1-1."
When the Second World War opened, the Duke de Richleau and his friends Simon Aron, Rex van Ryn and Richard Eaton – the indomitable four – were in Poland. How did they come to be there and find themselves, even before the outbreak of hostilities, involved in conspiracy? Scenes of intrigue, violence and escape in Warsaw are exceeded only by those which follow in Bucharest–whence the friends are carried in a desperate attempt to sabotage Hitler's war economy, and force Germany to ask for peace before their full-blown assault on Western Europe. In 1963, Arrow Books began including this statement in all works of this title: It can now be revealed that the plot of Codeword–Golden Fleece is based on fact. Actually, it was given to Dennis Wheatley when he was a member of the Joint Planning Staff of the War Cabinet by a Foreign Office colleague there. On behalf of the Allied governments a French nobleman did actually succeed in acquiring a controlling interest in the Danube oil barges and their tugs. The Germans failed with the Vichy government in an action for its return and half the Fleet had been got out to Turkish waters. Supplies of fuel for the Luftwaffe were seriously crippled by this ingenious secret stroke.
D.C. Hankerson,Gary Hoffman,D.A. Leonard,Charles C. Lindner,K.T. Phelps,C.A. Rodger,J.R. Wall
Author: D.C. Hankerson,Gary Hoffman,D.A. Leonard,Charles C. Lindner,K.T. Phelps,C.A. Rodger,J.R. Wall
Publisher: CRC Press
Containing data on number theory, encryption schemes, and cyclic codes, this highly successful textbook, proven by the authors in a popular two-quarter course, presents coding theory, construction, encoding, and decoding of specific code families in an "easy-to-use" manner appropriate for students with only a basic background in mathematics offering revised and updated material on the Berlekamp-Massey decoding algorithm and convolutional codes. Introducing the mathematics as it is needed and providing exercises with solutions, this edition includes an extensive section on cryptography, designed for an introductory course on the subject.
A bumper collection of hugely popular codeword puzzles (also known as codewords, cipher crosswords, cipher word puzzles) as seen in the Daily Telegraph and the Times. The codeword puzzles are interspersed with four other related types of puzzles: dropouts, keywords, coded quotes and long diversions.
25th International Conference on the Theory and Applications of Cryptographic Techniques, St. Petersburg, Russia, May 28 - June 1, 2006, Proceedings
Author: Serge Vaudenay
Publisher: Springer Science & Business Media
Category: Business & Economics
The 2006 edition of the Eurocrypt conference was held in St. Petersburg,Russia from May 28 to June 1, 2006. It was the 25th Eurocrypt conference. Eurocrypt is sponsored by the International Association for Cryptologic Research (IACR). Eurocrypt2006waschairedbyAnatolyLebedev,andIhadtheprivilegetochair the Program Committee. Eurocrypt collected 198 submissions on November 21, 2005. The Program Committee carried out a thorough review process. In total, 863 review reports were written by renowned experts, Program Committee members as well as external referees. Online discussions led to 1,114 additional discussion messages and about 1,000 emails. The review process was run using e-mail and the iChair software by Thomas Baign` eres and Matthieu Finiasz. Every submitted paper received at least three review reports. The Program Committee had a meeting in Lausanne on February 4, 2006. We selected 33 papers, noti?ed acceptance or rejection to the authors, and had a cheese fondue. Authors were then invited to revise their submission. The present proceedings include all the revised papers. Due to time constraints the revised versions could not be reviewed again. We delivered a “Eurocrypt Best Paper Award.” The purpose of the award is to formally acknowledge authors of outstanding papers and to recognize - cellence in the cryptographic research ?elds. Committee members were invited to nominate papers for this award. A poll then yielded a clear majority. This year, we were pleased to deliver the Eurocrypt Best Paper Award to Phong Q.
Sehen und verstehen – was Sie in diesem Buch entdecken, wird Ihnen nicht mehr aus dem Kopf gehen. Noch nie war Wissen so schön anzusehen. Noch nie waren Zusammenhänge so leicht zu durchschauen. Das Visualisierungsgenie David McCand less erschafft aus Zahlen, Daten und Fakten einzigartige und unvergessliche Grafiken und Bilder, die unsere Synapsen zum Schwingen bringen. In welchem Land werden die meisten Bücher gelesen? Welcher Bart passt zu welchem Gesicht? Welche Musikstile beeinflussen sich wie? Welche Moralvorstellungen verbinden sich mit welcher Religion? Was verbraucht mehr Kalorien: Blümchensex oder Lesen? Welche alternativen Heilmethoden haben welche wissenschaftliche Evidenz? David McCandless ist einer der angesagtesten Informationsdesigner und gehört zu einer neuen Generation von Journalisten. Er setzt spannende Fakten ebenso überzeugend ins Bild wie komplizierte Zusammenhänge. Mithilfe von Farben und Formen macht er Wissen sichtbar. So entsteht aus über einhundert originellen Bildern ein Kaleidoskop aus nützlichem und unnützem Wissen, das einfach Spaß macht. Hoher Spaßfaktor! Ein »Lesegenuss« voller Anregungen und Überraschungen, bestens als Geschenk geeignet.
This brief presents a comprehensive introduction to feature coding, which serves as a key module for the typical object recognition pipeline. The text offers a rich blend of theory and practice while reflects the recent developments on feature coding, covering the following five aspects: (1) Review the state-of-the-art, analyzing the motivations and mathematical representations of various feature coding methods; (2) Explore how various feature coding algorithms evolve along years; (3) Summarize the main characteristics of typical feature coding algorithms and categorize them accordingly; (4) Discuss the applications of feature coding in different visual tasks, analyze the influence of some key factors in feature coding with intensive experimental studies; (5) Provide the suggestions of how to apply different feature coding methods and forecast the potential directions for future work on the topic. It is suitable for students, researchers, practitioners interested in object recognition.
Jan van Leeuwen,Anca Muscholl,David Peleg,Jaroslav Pokorny,Bernhard Rumpe
36th Conference on Current Trends in Theory and Practice of Computer Science, Špindleruv Mlýn, Czech Republic, January 23-29, 2010. Proceedings
Author: Jan van Leeuwen,Anca Muscholl,David Peleg,Jaroslav Pokorny,Bernhard Rumpe
Publisher: Springer Science & Business Media
This book constitutes the refereed proceedings of the 36th Conference on Current Trends in Theory and Practice of Computer Science, SOFSEM 2010, held in Špindleruv Mlýn, Czech Republic, in January 2009. The 53 revised full papers, presented together with 11 invited contributions, were carefully reviewed and selected from 134 submissions. SOFSEM 2010 was organized around the following four tracks: Foundations of computer science, principles of software construction, Data, knowledge, and intelligent systems and Web science.
This textbook serves as an introduction to fault-tolerance, intended for upper-division undergraduate students, graduate-level students and practicing engineers in need of an overview of the field. Readers will develop skills in modeling and evaluating fault-tolerant architectures in terms of reliability, availability and safety. They will gain a thorough understanding of fault tolerant computers, including both the theory of how to design and evaluate them and the practical knowledge of achieving fault-tolerance in electronic, communication and software systems. Coverage includes fault-tolerance techniques through hardware, software, information and time redundancy. The content is designed to be highly accessible, including numerous examples and exercises. Solutions and powerpoint slides are available for instructors.
A Codeword is a special kind of crossword: there are no clues and all of the answers are placed in the grid, but they are in code. Each letter of the alphabet appears at least once in the grid, and each has been substituted for a number, from 1 to 26. In a Codeword puzzle, a single letter is always represented by the same number, wherever it appears in the puzzle. The challenge is to decipher the code. Two or three letters are usually revealed, to give the solver a head start. Only dictionary words are deployed (no proper nouns appear in the puzzles), so a good knowledge of English will help with solving the puzzles.
12th International Symposium, AAECC-12, Toulouse, France, June, 23-27, 1997, Proceedings
Author: France Aaecc-1 1997 Toulouse,Teo Mora
Publisher: Springer Science & Business Media
This book constitutes the strictly refereed proceedings of the 12th International Symposium on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, AAECC-12, held in Toulouse, France, June 1997. The 27 revised full papers presented were carefully selected by the program committee for inclusion in the volume. The papers address a broad range of current issues in coding theory and computer algebra spanning polynomials, factorization, commutative algebra, real geometry, group theory, etc. on the mathematical side as well as software systems, telecommunication, complexity theory, compression, signal processing, etc. on the computer science and engineering side.
Presenting a thorough overview of bit-interleaved codedmodulation (BICM), this book introduces the tools for the analysisand design of BICM transceivers. It explains in details thefunctioning principles of BICM and proposes a refined probabilisticmodeling of the reliability metrics–the so-calledL-values–which are at the core of the BICM receivers. Alternatives for transceiver design based on these models are thenstudied. Providing new insights into the analysis of BICM, this book isunique in its approach, providing a general framework for analysisand design, focusing on communication theoretic aspects of BICMtransceivers. It adopts a tutorial approach, explains the problemsin simple terms with the aid of multiple examples and case studies,and provides solutions using accessible mathematical tools. The book will be an excellent resource for researchers inacademia and industry: graduate students, academics, developmentengineers, and R & D managers. KeyFeatures: listyle="color: #000000; font-style: normal; font-weight: normal;" Presents an introduction to BICM, placing it in the context ofother coded modulation schemes listyle="color: #000000; font-family: 'Calibri','sans-serif'; font-size: 11pt; font-style: normal; font-weight: normal;" Offers explanations of the functioning principles and designalternatives listyle="color: #000000; font-family: 'Calibri','sans-serif'; font-size: 11pt; font-style: normal; font-weight: normal;" Provides a unique approach, focusing on communication theoryaspects listyle="color: #000000; font-family: 'Calibri','sans-serif'; font-size: 11pt; font-style: normal; font-weight: normal;" Shows examples and case studies to illustrate analysis anddesign of BICM listyle="color: #000000; font-family: 'Calibri','sans-serif'; font-size: 11pt; font-style: normal; font-weight: normal;" Adopts a tutorial approach, explaining the problems in simpleterms and presenting solutions using accessible mathematicaltools
The Second Edition of OFDM Baseband Receiver Design for Wirless Communications, this book expands on the earlier edition with enhanced coverage of MIMO techniques, additional baseband algorithms, and more IC design examples. The authors cover the full range of OFDM technology, from theories and algorithms to architectures and circuits. The book gives a concise yet comprehensive look at digital communication fundamentals before explaining signal processing algorithms in receivers. The authors give detailed treatment of hardware issues - from architecture to IC implementation. Links OFDM and MIMO theory with hardware implementation Enables the reader to transfer communication received concepts into hardware; design wireless receivers with acceptable implemntation loss; achieve low-power designs Covers the latest standards, such as DVB-T2, WiMax, LTE and LTE-A Includes more baseband algorithms, like soft-decoding algorithms such as BCJR and SOVA Expanded treatment of channel models, detection algorithms and MIMO techniques Features concrete design examples of WiMAX systems and cognitive radio apllications Companion website with lecture slides for instructors Based on materials developed for a course in digital communication IC design, this book is ideal for graduate students and researchers in VLSI design, wireless communications, and communications signal processing. Practicing engineers working on algorithms or hardware for wireless communications devices will also find this to be a key reference.
This practical resource provides you with a comprehensive understanding of error control coding, an essential and widely applied area in modern digital communications. The goal of error control coding is to encode information in such a way that even if the channel (or storage medium) introduces errors, the receiver can correct the errors and recover the original transmitted information. This book includes the most useful modern and classic codes, including block, Reed Solomon, convolutional, turbo, and LDPC codes.You find clear guidance on code construction, decoding algorithms, and error correcting performances. Moreover, this unique book introduces computer simulations integrally to help you master key concepts. Including a companion DVD with MATLAB programs and supported with over 540 equations, this hands-on reference provides you with an in-depth treatment of a wide range of practical implementation issues.