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Virtual Economies: Design and Analysis (Information Policy)
by Vili Lehdonvirta Edward CastronovaHow the basic concepts of economics—including markets, institutions, and money—can be used to create and analyze economies based on virtual goods.In the twenty-first-century digital world, virtual goods are sold for real money. Digital game players happily pay for avatars, power-ups, and other game items. But behind every virtual sale, there is a virtual economy, simple or complex. In this book, Vili Lehdonvirta and Edward Castronova introduce the basic concepts of economics into the game developer's and game designer's toolkits. Lehdonvirta and Castronova explain how the fundamentals of economics—markets, institutions, and money—can be used to create or analyze economies based on artificially scarce virtual goods. They focus on virtual economies in digital games, but also touch on serious digital currencies such as Bitcoin as well as virtual economies that emerge in social media around points, likes, and followers. The theoretical emphasis is on elementary microeconomic theory, with some discussion of behavioral economics, macroeconomics, sociology of consumption, and other social science theories relevant to economic behavior.Topics include the rational choice model of economic decision making; information goods versus virtual goods; supply, demand, and market equilibrium; monopoly power; setting prices; and externalities. The book will enable developers and designers to create and maintain successful virtual economies, introduce social scientists and policy makers to the power of virtual economies, and provide a useful guide to economic fundamentals for students in other disciplines.
Creating a Sense of Presence in Online Teaching
by Rosemary M. Lehman Simone C. ConceiçãoHow can faculty create a strong e presence for their online classes? This volume highlights the need for creating a presence in the online environment. The authors explore the emotional, psychological, and social aspects from both the instructor and student perspective. It provides an instructional design framework and shows how a strong presence contributes to effective teaching and learning. Filled with illustrative examples and based on research and experience, the book contains methods, case scenarios, and activities for creating, maintaining, and evaluating presence throughout the cycle of an online course.
Motivating and Retaining Online Students: Research-Based Strategies That Work (Jossey-Bass Guides to Online Teaching and Learning)
by Rosemary M. Lehman Simone C. ConceiçãoFinally, the first research-based book of sound strategies and best practices to help instructors motivate students to complete their online courses. Although studies support the effectiveness of learning online, students often fail to complete online courses. Some studies have found that as many as 50–70% drop out of their online courses or programs. Retention is not only a growing expectation and imperative, but it is also as opportunity for faculty members to take the lead in innovating, researching, and implementing new strategies while demonstrating their effectiveness. Designed for instructors and instructional designers, Motivating and Retaining Online Students is filled with empirical research from the authors’ study of motivation and retention strategies that can reduce online learner dropout. Focusing on the most important issues instructors face, such as course design; student engagement and motivation; and institutional, instructional, and informal student support strategies, the book provides effective online strategies that help minimize student dropout, increase student retention, and support student learning. While helping to improve the overall retention rates for educational institutions, the strategies outlined in the book also allow for student diversity and individual learner differences. Lehman and Conceição’s proven model gives instructors an effective approach to help students persist in online courses and succeed as learners.
Managing Online Instructor Workload
by Rosemary M. Lehman Simone C.O. ConceiçãoA large number of institutions are now providing online programs, requiring instructors to change the way they think about teaching and master a distinct set of workload management skills. The first book to discuss workload management for online instructors, Managing Online Instructor Workload offers practical strategies, advice, and examples for how to prioritize, balance, and manage an online teaching workload. Based on surveys and interviews, the timely and comprehensive insight in this book is essential for online instructors, instructional designers, faculty developers and others involved in online learning.
Strategy and Business Process Management: Techniques for Improving Execution, Adaptability, and Consistency
by Carl F. LehmannThis book prepares readers to master an IT and managerial discipline quickly gaining momentum in organizations of all sizes - Business Process Management (BPM). It describes how BPM treats processes as a portfolio of strategic assets that create and deliver customer and shareholder value and adapt, when necessary, enabling competitive advantage thr
The Dynamics of International Information Systems
by Hans LehmannWith this new monograph, Hans Lehmann demonstrates the efficacy of using the Grounded Theory method to study the factors that lead to success - or failure - in the creation and ongoing management of the international information systems (IIS) within global enterprises. He presents three cases of large transnational companies he worked with in this study and describes in detail the steps in the analysis of findings and the incremental conceptualization that finally result in a substantive theory of IIS. There is also a companion website that contains a full set of analysis notes to add a further level of detail. Grounded Theory was developed in the social sciences as a means of recording, analyzing, understanding and then fully explaining what was happening within a given social situation - so that theories could be developed that were firmly grounded in those circumstantial facts. The method is very well-suited to solving information systems problems in any enterprise setting, let alone in those situations peculiar to multi-national enterprises.
Toroidal Order in Magnetic Metamaterials (Springer Theses)
by Jannis LehmannThe scope of this work is to provide an extensive experimental investigation of ferrotoroidicity, the most recently established type of ferroic order that is based on the uniform unit-cell-sized alignment of magnetic whirls. This is achieved by transferring basic spin configurations pertinent for the emergence of toroidal order to mesoscopic length scales. An engineering of and access to the system's magnetic degrees of freedom is made possible by using nanomagnetic arrays as model systems. The work revealsmicroscopic and macroscopic aspects of toroidally ordered matter beyond the reach of natural materials.
Ermittlung geeigneter industrieller Anwendungen von Augmented Reality: Methodik zur anwendungsübergreifenden Identifikation und Bewertung von Einsatzmöglichkeiten am Beispiel der Automobilproduktion (AutoUni – Schriftenreihe #166)
by Lukas Maximilian LehmannIn diesem Buch wird eine anwendungsübergreifende Methodik zur Identifikation und Bewertung geeigneter Einsatzmöglichkeiten kontext-sensitiver Augmented Reality (AR) entwickelt und validiert. Bestehende Ansätze, eine Querschnittsstudie und reale Anwendungen aus der Automobilindustrie werden genutzt, um ein Modell des Task-Technology Fit von AR und ein Auswahlverfahren bezüglich technologischer Alternativen zu entwickeln. Außerdem erfolgt eine Bewertung verschiedener Anwendungsfelder entlang der Wertschöpfungskette und konkrete Inhalte zum ökonomischen, ökologischen und sozialen Nutzen und Aufwand werden strukturiert zusammengeführt.
Project Business Management (Best Practices in Portfolio, Program, and Project Management)
by Oliver F. LehmannRoughly half of all project managers have to lead customer projects as profit centers on contractor side with two big objectives: making the customer happy and bringing money home. Customer projects are a high-risk business on both sides, customers and contractors, but the dynamics of this business have so far been mostly ignored in literature. The book is intended to fill this gap. The book helps project managers better understand the dynamics of customer projects under contract from business development through handover and find solutions for common problems. A central aspect is international contract laws, an often underestimated factor in projects.
Situational Project Management: The Dynamics of Success and Failure (Best Practices in Portfolio, Program, and Project Management)
by Oliver F. LehmannMost project managers would agree that every project is unique. But not all project managers would agree that the best way to manage a unique project is unique. Many still cling to the old practice of having a methodology that is applied to all projects. "One size fits all" is still in common use, and this approach has proven to lead to project failure. Flexibility, situational intelligence, and creativity are essential to deliver project success. The need to recognize and master ever-changing requirements and environmental conditions is a tough challenge for professional project managers. The same practices that led to success yesterday may cause failure today. Selecting favorable responses to a given situation is often the most critical factor of the dynamics of success and failure. This book is designed to help project professionals assess a situation, predict the appropriate approach, methodology and achieving styles, and then apply them in a situational fashion. To guide project managers in selecting the appropriate responses, Situational Project Management (SitPM) shows how to assess a given project, determine its unique characteristics, and select the appropriate methods to complete the project. With this book, projects managers can use SitPM to develop profiles of their projects on the basis of the projects’ physical characteristics, the project teams’ behavioral characteristics, the enterprise environment, and the market environments receiving project deliverables. These profiles help project managers to determine the appropriate project life cycle approach and leadership style. The book also explores various ways to engage stakeholders on the basis of a project’s SitPM profile. The book’s author, Oliver F. Lehmann, has developed a set of templates to apply SitPM in practice. It can be downloaded from www.oliverlehmann.com/SitPM/Templates.zip.
Complex Spreading Phenomena in Social Systems: Influence and Contagion in Real-World Social Networks (Computational Social Sciences)
by Sune Lehmann Yong-Yeol AhnThis text is about spreading of information and influence in complex networks. Although previously considered similar and modeled in parallel approaches, there is now experimental evidence that epidemic and social spreading work in subtly different ways. While previously explored through modeling, there is currently an explosion of work on revealing the mechanisms underlying complex contagion based on big data and data-driven approaches.This volume consists of four parts. Part 1 is an Introduction, providing an accessible summary of the state of the art. Part 2 provides an overview of the central theoretical developments in the field. Part 3 describes the empirical work on observing spreading processes in real-world networks. Finally, Part 4 goes into detail with recent and exciting new developments: dedicated studies designed to measure specific aspects of the spreading processes, often using randomized control trials to isolate the network effect from confounders, such as homophily. Each contribution is authored by leading experts in the field. This volume, though based on technical selections of the most important results on complex spreading, remains quite accessible to the newly interested. The main benefit to the reader is that the topics are carefully structured to take the novice to the level of expert on the topic of social spreading processes. This book will be of great importance to a wide field: from researchers in physics, computer science, and sociology to professionals in public policy and public health.
Social Media Theory and Communications Practice
by Whitney LehmannFusing the academic with the applied, this book provides a comprehensive introduction to social media for future communications professionals. While most social media texts approach the subject through either a theoretical, scholarly lens or a professional, practical lens, this text offers a much-needed linkage of theory to the practical tactics employed by social media communicators. Concise and conversational chapters break down the basics of both social media theory and practice and are complemented by sidebars written by scholars and industry professionals, chapter summaries and end-of-chapter exercises. This book is ideal for introductory social media courses in communication, public relations and mass communication departments, as well as courses in digital media and public relations. Online resources include social media writing templates, sample posts and content calendar templates. Please visit www.routledge.com/9781032185873.
Social Media Theory and Communications Practice
by Whitney LehmannFusing the academic with the applied, this book provides a comprehensive introduction to social media for future communications professionals.While most social media texts approach the subject through either a theoretical, scholarly lens or a professional, practical lens, this text offers a much-needed linkage of theory to the practical tactics employed by social media communicators. Concise and conversational chapters break down the basics of both social media theory and practice and are complemented by sidebars written by scholars and industry professionals, chapter summaries and end-of-chapter exercises.This book is ideal for introductory social media courses in communication, public relations and mass communication departments, as well as courses in digital media and public relations.Online resources include social media writing templates, sample posts and content calendar templates. Please visit www.routledge.com/9781032185873.
Virtuality and Humanity: Virtual Practice and Its Evolution from Pre-History to the 21st Century
by Sam N. Lehman-WilzigThis is a pioneering study of virtuality through human history: ancient-to-modern evolution and recent expansion; expression in many fields (chapters on Religion; Philosophy, Math, Physics; Literature and the Arts; Economics; Nationhood, Government and War; Communication); psychological and social reasons for its universality; inter-relationship with "reality." The book's thesis: virtuality was always an integral part of humanity in many areas of life, generally expanding over the ages. The reasons: 1- brain psychology; 2- virtuality's six functions — escape from boredom to relieving existential dread. Other questions addressed: How will future neuroscience, biotech and "compunications" affect virtuality? Can/should there be limits to human virtualizing?
Fuzzy Data Matching with SQL: Enhancing Data Quality And Query Performance
by Jim LehmerIf you were handed two different but related sets of data, what tools would you use to find the matches? What if all you had was SQL SELECT access to a database? In this practical book, author Jim Lehmer provides best practices, techniques, and tricks to help you import, clean, match, score, and think about heterogeneous data using SQL.DBAs, programmers, business analysts, and data scientists will learn how to identify and remove duplicates, parse strings, extract data from XML and JSON, generate SQL using SQL, regularize data and prepare datasets, and apply data quality and ETL approaches for finding the similarities and differences between various expressions of the same data.Full of real-world techniques, the examples in the book contain working code. You'll learn how to:Identity and remove duplicates in two different datasets using SQLRegularize data and achieve data quality using SQLExtract data from XML and JSONGenerate SQL using SQL to increase your productivityPrepare datasets for import, merging, and better analysis using SQLReport results using SQLApply data quality and ETL approaches to finding similarities and differences between various expressions of the same data
Grundlagen der Computergrafik: Eine Einführung mit OpenGL und Java
by Karsten Lehn Merijam Gotzes Frank KlawonnComputergrafik umfasst die Erzeugung und Darstellung von einfachen Grafikelementen und Bildern bis hin zur Virtual Reality. Die Anwendung dieser Techniken profitiert von einem soliden Verständnis der entsprechenden Grundlagen. Das erfolgreiche Buch von Prof. Klawonn, das jetzt bereits in der dritten Auflage vorliegt, vermittelt genau das - verständlich und nachvollziehbar. Prof. Klawonn erläutert die wesentlichen Konzepte an konkreten Beispielen und bedient sich dabei der einfachen Sprachmittel der Javaprogrammierung. Die Umsetzung erfolgt praktisch mit Java 2D und Java 3D. Auch zur dritten Auflage gibt es wieder einen umfangreichen Online-Service mit Beispielprogrammen, Aufgaben und Lösungen, Folien und farbigen Illustrationen.
Introduction to Computer Graphics: Using OpenGL and Java (Undergraduate Topics in Computer Science)
by Karsten Lehn Merijam Gotzes Frank KlawonnA basic understanding of the key techniques in computer graphics can open the door to this exciting field and its many applications, including for video games and for augmented and virtual reality.This easy-to-follow textbook and reference introduces the fundamental concepts of computer graphics, integrating both technical background and theory with practical examples and applications throughout. Thoroughly revised and updated, this new edition continues to present a user-friendly approach to creating images and animations, complementing the expanded coverage of topics with usage of example programs and exercises.Topics and features:Contains pedagogical tools, including easy-to-understand example programs and end-of-chapter exercisesPresents a practical guide to basic computer graphics programming using the Open Graphics Library (OpenGL) and the widely used Java programming languageIncludes new and expanded content on the OpenGL graphics pipelines, shader programming, drawing basic objects using the OpenGL, three-dimensional modelling, quaternions, rasterisation, antialiasing and moreSupplies complete Java project examples as supplementary materialThis reader-friendly textbook is an essential tool for second-year undergraduate students and above, providing clear and concise explanations of the basic concepts of computer graphics. It will enable readers to immediately implement these concepts using the OpenGL and Java (with only elementary knowledge of the programming language).Prof. Dr.-Ing. Karsten Lehn works at the Faculty of Information Technology at Fachhochschule Dortmund, University of Applied Sciences and Arts. Prof. Dr. Merijam Gotzes is teaching at Hamm-Lippstadt University of Applied Sciences. Prof. Dr. Frank Klawonn is head of the Data Analysis and Pattern Recognition Laboratory at the Ostfalia University of Applied Sciences and heads the Biostatistics Research Group at the Helmholtz Centre for Infection Research.
CouchDB: Time to Relax (Animal Guide)
by Jan Lehnardt J. Chris Anderson Noah SlaterThree of CouchDB's creators show you how to use this document-oriented database as a standalone application framework or with high-volume, distributed applications. With its simple model for storing, processing, and accessing data, CouchDB is ideal for web applications that handle huge amounts of loosely structured data. That alone would stretch the limits of a relational database, yet CouchDB offers an open source solution that's reliable, scales easily, and responds quickly. CouchDB works with self-contained data that has loose or ad-hoc connections. It's a model that fits many real-world items, such as contacts, invoices, and receipts, but you'll discover that this database can easily handle data of any kind. With this book, you'll learn how to work with CouchDB through its RESTful web interface, and become familiar with key features such as simple document CRUD (create, read, update, delete), advanced MapReduce, deployment tuning, and more. Understand the basics of document-oriented storage and manipulation Interact with CouchDB entirely though HTTP using its RESTful interface Model data as self-contained JSON documents Handle evolving data schemas naturally Query and aggregate data in CouchDB using MapReduce views Replicate data between nodes Tune CouchDB for increased performance and reliability
Knowledge Science, Engineering and Management
by Franz Lehner Nora FteimiThis book constitutes the refereed proceedings of the 9th International Conference on Knowledge Science, Engineering and Management, KSEM 2016, held in Passau, Germany, in October 2016. The 49 revised full papers presented together with 2 keynotes were carefully selected and reviewed from 116 submissions. The papers are organized in topical sections on Clustering and Classification; Text Mining and Lexical Analysis; Content and Document Analysis; Enterprise Knowled≥ Formal Semantics and Fuzzy Logic; Knowledge Engineering; Knowledge Enrichment and Visualization; Knowledge Management; Knowledge Retrieval; Knowledge Systems and Security; Neural Networks and Artificial Intelligence; Ontologies; and Recommendation Algorithms and Systems.
E-Learning 2010
by Franz Lehner Jörg Staff Michael Breitner Udo WinandTechnologiebasiertes und mobiles Lernen und Lehren sind in der Informations- und Wissensgesellschaft von zentraler Bedeutung. Ziel des Sammelbandes ist es, einen Blick in die nahe Zukunft des E- und M-Learnings zu werfen: der lebenslangen Aus- und Weiterbildung vom Vorschul- bis ins Rentenalter unter Verwendung von Rechnern und Rechnernetzwerken. Bei der Entwicklung solcher Angebote kommt es vor allem darauf an, ganzheitliche, integrierte Ansätze zu finden, die die drei Säulen Technologie, Didaktik und Betriebswirtschaftslehre berücksichtigen.
Web-Scale Data Management for the Cloud
by Wolfgang Lehner Kai-Uwe SattlerThe efficient management of a consistent and integrated database is a central task in modern IT and highly relevant for science and industry. Hardly any critical enterprise solution comes without any functionality for managing data in its different forms. Web-Scale Data Management for the Cloud addresses fundamental challenges posed by the need and desire to provide database functionality in the context of the Database as a Service (DBaaS) paradigm for database outsourcing. This book also discusses the motivation of the new paradigm of cloud computing, and its impact to data outsourcing and service-oriented computing in data-intensive applications. Techniques with respect to the support in the current cloud environments, major challenges, and future trends are covered in the last section of this book. A survey addressing the techniques and special requirements for building database services are provided in this book as well.
6 JavaScript Projects
by Michaela Lehr Michael Wanyoike Darren Jones Adam JanesThere's no doubt that the JavaScript ecosystem changes fast. Not only are new tools and frameworks introduced and developed at a rapid rate, the language itself has undergone big changes with the introduction of ES2015 (aka ES6). Understandably, many articles have been written complaining about how difficult it is to learn modern JavaScript development these days. We're aiming to minimize that confusion with this set of books on modern JavaScript. This book presents six complete JavaScript projects; each taking advantage of modern JavaScript and its ecosystem. You'll learn to build several different apps, and along the way you'll pick up a ton of useful advice, tips, and techniques. It contains: Build a Full-Sphere 3D Image Gallery with React VR by Michaela LehrBuild a WebRTC Video Chat Application with SimpleWebRTC by Michael WanyoikeBuild a JavaScript Single Page App Without a Framework by Michael WanyoikeBuild a To-do List with Hyperapp, the 1KB JS Micro-framework by Darren JonesUse Parcel to Bundle a Hyperapp App & Deploy to GitHub Pages by Darren JonesInteractive Data Visualization with Modern JavaScript and D3 by Adam Janes This book is for all front-end developers who wish to improve their JavaScript skills. You'll need to be familiar with HTML and CSS and have a reasonable level of understanding of JavaScript in order to follow the discussion.
Internet Policy and Economics
by William H. Lehr Lorenzo Maria PupilloFor over a decade, William Lehr, Lorenzo Pupillo, and their colleagues in academia, industry, and policy have been on the electronic frontier, exploring the implications of the technologies that are revolutionizing communication and culture. In 2002, Cyber Policy and Economics in an Internet Age featured essays that focused on such emerging economic and policy-related issues of universal access, appropriate content, spectrum allocation, taxation, consumer protection, and regulation, with respect to the Internet. In this fully revised and updated edition, entitled Internet Policy and Economics: Challenges and Perspectives, the editors and contributors tackle the most current topics and issues, as the Internet continues to permeate all facets of society. New chapters cover dynamics in the developing world, the implications of e-commerce for fiscal policy, and the impact of peer-to-peer networks on music and the arts, as well as debates over intellectual property rights, privacy issues, and cybercrime. Applying insights from economics, political science, law, business, and communications, the book will serve as essential resource for researchers and students, policymakers and regulators, and industry analysts and practitioners.
Smashing Android UI
by Juhani LehtimakiDesigners and developers, create smashing apps for Android devicesIf you're developing applications for Android smartphones and tablets, you know it isn't enough just to create the app. The application has to be intuitive, well laid out, and easy to use. Smashing Android UI shows you just how to do that. Starting with basic components, this practical, full-color book shows you how to create scalable layouts, make use of adaptive layouts and fragments, follow Android design best practices, and design sleek, intuitive user interfaces using Android UI design patterns.One of the newest guides in the terrific Smashing Magazine book series, this book takes you beyond the basics with expert techniques and innovative ideas. Learn smart solutions that will help you avoid pitfalls while building apps that can scale up to a multitude of possible Android device-and-browser combinations.Teaches practical techniques for developing and designing applications that work on all Android phones and tablets Helps developers who have Android experience, but not necessarily design experience, as well as designers who want to follow Android design best practices and patterns Starts with how to use simple components and then moves on to building scalable layouts Covers adaptive layouts and fragments, responsive design, and how to design user interfaces using Android UI design patternsSmashing Android UI: Responsive Android UI and Design Patterns for Phones and Tablets helps you create apps for the hottest thing in technology--Android devices!
Implementing Identity Management on AWS: A real-world guide to solving customer and workforce IAM challenges in your AWS cloud environments
by Jon Lehtinen Steve "Hutch" HutchinsonUnderstand the IAM toolsets, capabilities, and paradigms of the AWS platform and learn how to apply practical identity use cases to AWS at the administrative and application levelKey FeaturesLearn administrative lifecycle management and authorizationExtend workforce identity to AWS for applications deployed to Amazon Web Services (AWS)Understand how to use native AWS IAM capabilities with apps deployed to AWSBook DescriptionAWS identity management offers a powerful yet complex array of native capabilities and connections to existing enterprise identity systems for administrative and application identity use cases. This book breaks down the complexities involved by adopting a use-case-driven approach that helps identity and cloud engineers understand how to use the right mix of native AWS capabilities and external IAM components to achieve the business and security outcomes they want.You will begin by learning about the IAM toolsets and paradigms within AWS. This will allow you to determine how to best leverage them for administrative control, extending workforce identities to the cloud, and using IAM toolsets and paradigms on an app deployed on AWS. Next, the book demonstrates how to extend your on-premise administrative IAM capabilities to the AWS backplane, as well as how to make your workforce identities available for AWS-deployed applications. In the concluding chapters, you'll learn how to use the native identity services with applications deployed on AWS.By the end of this IAM Amazon Web Services book, you will be able to build enterprise-class solutions for administrative and application identity using AWS IAM tools and external identity systems.What you will learnUnderstand AWS IAM concepts, terminology, and servicesExplore AWS IAM, Amazon Cognito, AWS SSO, and AWS Directory Service to solve customer and workforce identity problemsApply the concepts you learn about to solve business, process, and compliance challenges when expanding into AWSNavigate the AWS CLI to unlock the programmatic administration of AWSExplore how AWS IAM, its policy objects, and notational language can be applied to solve security and access management use casesRelate concepts easily to your own environment through IAM patterns and best practicesWho this book is forIdentity engineers and administrators, cloud administrators, security architects, or anyone who wants to explore and manage IAM solutions in AWS will find this book useful. Basic knowledge of AWS cloud infrastructure and services is required to understand the concepts covered in the book more effectively.