Information Science

From cell phones to Web portals, advances in information and communications technology have thrust society into an information age that is far-reaching, fast-moving, increasingly complex, and yet essential to modern life. Now, renowned scholar and author David Luenberger has produced __Information Science__, a text that distills and explains the most important concepts and insights at the core of this ongoing revolution. The book represents the material used in a widely acclaimed course offered at Stanford University. Drawing concepts from each of the constituent subfields that collectively comprise information science, Luenberger builds his book around the five "E's" of information: Entropy, Economics, Encryption, Extraction, and Emission. Each area directly impacts modern information products, services, and technology--everything from word processors to digital cash, database systems to decision making, marketing strategy to spread spectrum communication. To study these principles is to learn how English text, music, and pictures can be compressed, how it is possible to construct a digital signature that cannot simply be copied, how beautiful photographs can be sent from distant planets with a tiny battery, how communication networks expand, and how producers of information products can make a profit under difficult market conditions. The book contains vivid examples, illustrations, exercises, and points of historic interest, all of which bring to life the analytic methods presented: * Presents a unified approach to the field of information science * Emphasizes basic principles * Includes a wide range of examples and applications * Helps students develop important new skills * Suggests exercises with solutions in an instructor's manual From Cell Phones To Web Portals, Advances In Information And Communications Technology Have Thrust Society Into An Information Age That Is Far-reaching, Fast-moving, Increasingly Complex, And Yet Essential To Modern Life. Now, Renowned Scholar And Author David Luenberger Has Produced Information Science, A Text That Distills And Explains The Most Important Concepts And Insights At The Core Of This Ongoing Revolution. The Book Represents The Material Used In A Widely Acclaimed Course Offered At Stanford University. Drawing Concepts From Each Of The Constituent Subfields That Collectively Comprise Information Science, Luenberger Builds His Book Around The Five E's Of Information: Entropy, Economics, Encryption, Extraction, And Emission. Each Area Directly Impacts Modern Information Products, Services, And Technology--everything From Word Processors To Digital Cash, Database Systems To Decision Making, Marketing Strategy To Spread Spectrum Communication. To Study These Principles Is To Learn How English Text, Music, And Pictures Can Be Compressed, How It Is Possible To Construct A Digital Signature That Cannot Simply Be Copied, How Beautiful Photographs Can Be Sent From Distant Planets With A Tiny Battery, How Communication Networks Expand, And How Producers Of Information Products Can Make A Profit Under Difficult Market Conditions.--publisher's Website. Ch. 1. Introduction -- Ch. 2. Information Definition -- Ch. 3. Codes -- Ch. 4. Compression -- Ch. 5. Channels -- Ch. 6. Error-correcting Codes -- Ch. 7. Markets -- Ch. 8. Pricing Schemes -- Ch. 9. Value -- Ch. 10. Interaction -- Ch. 11. Ciphers -- Ch. 12. Cryptography Theory -- Ch. 13. Public Key Cryptography -- Ch. 14. Security Protocols -- Ch. 15. Data Structures -- Ch. 16. Database Systems -- Ch. 17. Information Retrieval -- Ch. 18. Data Mining -- Ch. 19. Frequency Concepts -- Ch. 20. Radio Waves -- Ch. 21. Sampling And Capacity -- Ch. 22. Networks. David G. Luenberger. Includes Bibliographical References And Index. Contents Preface Chapter 1 INTRODUCTION Part I: ENTROPY: The Foundation of Information Chapter 2 INFORMATION DEFINITION Chapter 3 CODES Chapter 4 COMPRESSION Chapter 5 CHANNELS Chapter 6 ERROR-CORRECTING CODES SUMMARY OF PART I Part II: ECONOMICS: Strategies for Value Chapter 7 MARKETS Chapter 8 PRICING SCHEMES Chapter 9 VALUE Chapter 10 INTERACTION SUMMARY OF PART II Part III: ENCRYPTION: Security through Mathematics Chapter 11 CIPHERS Chapter 12 CRYPTOGRAPHY THEORY Chapter 13 PUBLIC KEY CRYPTOGRAPHY Chapter 14 SECURITY PROTOCOLS Summary of Part III Part IV: EXTRACTION: Information from Data Chapter 15 DATA STRUCTURES Chapter 16 DATABASE SYSTEMS Chapter 17 INFORMATION RETRIEVAL Chapter 18 DATA MINING SUMMARY OF PART IV Part V: EMISSION: The Mastery of Frequency Chapter 19 FREQUENCY CONCEPTS Chapter 20 RADIOWAVES Chapter 21 SAMPLING AND CAPACITY Chapter 22 NETWORKS SUMMARY OF PART V AUTHOR INDEX SUBJECT INDEX