This book introduces fundamentals and trade-offs of data de-duplication techniques. It describes novel emerging de-duplication techniques that remove duplicate data both in storage and network in an efficient and effective manner. It explains places where duplicate data are originated, and provides solutions that remove the duplicate data. It classifies existing de-duplication techniques depending on size of unit data to be compared, the place of de-duplication, and the time of de-duplication. Chapter 3 considers redundancies in email servers and a de-duplication technique to increase reduction performance with low overhead by switching chunk-based de-duplication and file-based de-duplication. Chapter 4 develops a de-duplication technique applied for cloud-storage service where unit data to be compared are not physical-format but logical structured-format, reducing processing time efficiently. Chapter 5 displays a network de-duplication where redundant data packets sent by clients are encoded (shrunk to small-sized payload) and decoded (restored to original size payload) in routers or switches on the way to remote servers through network. Chapter 6 introduces a mobile de-duplication technique with image (JPEG) or video (MPEG) considering performance and overhead of encryption algorithm for security on mobile device.

This book introduces fundamentals and trade-offs of data de-duplication techniques. It describes novel emerging de-duplication techniques that remove duplicate data both in storage and network in an efficient and effective manner. It explains places where duplicate data are originated, and provides solutions that remove the duplicate data. It classifies existing de-duplication techniques depending on size of unit data to be compared, the place of de-duplication, and the time of de-duplication. Chapter 3 considers redundancies in email servers and a de-duplication technique to increase reduction performance with low overhead by switching chunk-based de-duplication and file-based de-duplication. Chapter 4 develops a de-duplication technique applied for cloud-storage service where unit data to be compared are not physical-format but logical structured-format, reducing processing time efficiently. Chapter 5 displays a network de-duplication where redundant data packets sent by clients are encoded (shrunk to small-sized payload) and decoded (restored to original size payload) in routers or switches on the way to remote servers through network. Chapter 6 introduces a mobile de-duplication technique with image (JPEG) or video (MPEG) considering performance and overhead of encryption algorithm for security on mobile device.

New Generation Korean Workbook is a student-friendly resource for acquiring advanced Korean language skills, including reading, writing, and comprehension. It is designed to accompany the textbook, New Generation Korean: Advanced Level. Each chapter in the workbook includes extensive practice questions with cues that prompt students to either choose, match, or fill in the blanks. Throughout the book, QR codes link to audio clips for listening and reading comprehension exercises. With guidance in every lesson and self-assessment opportunities, students will build confidence while working through vocabulary, grammar, listening, and writing activities.

Attractive and easy to navigate, New Generation Korean 3 is a full-colour and engaging textbook designed for Korean language learners at the secondary and post-secondary education levels, as well as for independent self-study learners. Building on the content in the intermediate textbook, the advanced volume presents learning goals and best practice lessons developed by professors with extensive Korean language teaching experience. The textbook is appended with lists of vocabulary, answer keys, Korean scripts, and English translations. With classroom-tested lessons, New Generation Korean 3 will guide students to effective and efficient learning of the Korean language and an appreciation of Korean culture. The heavily illustrated textbook is accompanied by a workbook, audio files, and PowerPoint slides.