This book constitutes the refereed proceedings of the 27th IFIP TC 11 International Information Security Conference, SEC 2012, held in Heraklion, Crete, Greece, in June 2012. The 42 revised full papers presented together with 11 short papers were carefully reviewed and selected from 167 submissions. The papers are organized in topical sections on attacks and malicious code, security architectures, system security, access control, database security, privacy attitudes and properties, social networks and social engineering, applied cryptography, anonymity and trust, usable security, security and trust models, security economics, and authentication and delegation.

Knowledge sharing within an organization is essential to its continued success and growth, though remaining aware of new communication technologies is a difficult task. Web Engineered Applications for Evolving Organizations: Emerging Knowledge explores integrated approaches to IT and Web engineering, offering solutions and best practices for knowledge exchange within organizations. This publication focuses on research in a number of related disciplines, including data knowledge storage and retrieval, intelligent information systems, IT education and training, and IT readiness.

Ashley Friedlein's first book, Web Project Management: Delivering Successful Commercial Web Sites, became a bestseller and an essential reference for Web professionals developing new sites. Maintaining and Evolving Successful Commercial Web Sites addresses the realities of successful sites today, namely the notion that maintaining and evolving a site is actually a bigger commitment than launching it. Management wants to maximize returns and obtain reliable performance data, customers demand better service and insist on sites that are more advanced yet easier to use, and the Web site must increasingly be integrated with the entire business even as the amount of information it handles continues to grow.
Maintaining and Evolving Successful Commercial Web Sites focuses more on process, reality, and pragmatism and less on strategic theory. It provides the reader with the knowledge, tools, approaches, and processes to manage key site maintenance and evolution projects, providing answers to the following questions:
*How can I better manage changes and updates to the Web site?
*How can I scale up to allow more contributions to the site and more content and still maintain quality and control?
*What is content management and how do I go about it?
*How do I go about personalization or community building?
*What is Customer Relationship Management (CRM) and how do I actually do it online?
*How do I measure and report on how well the site is doing?
*How do I avoid information overload?
*How do I maximize the value the site creates?
The book includes case studies to demonstrate candidly how the issues discussed in the book translate into reality.
*Case studies show candidly how the issues discussed translate into reality.
*Describes content management & Customer Relationship Management (CRM) how to go about implementing them.
*Teaches how to measure & report on how well the site is doing, how to avoid information overload, & how to maximize the value the site creates.

This book proposes dynamic wavelength and bandwidth allocation (DWBA), a hybrid of time-division multiplexing (TDM) and wavelength-division multiplexing (WDM), which offers a solution for service providers faced with multiservice networks. It discusses different models, architectures and implementations and evaluates their performance.

Wireless Sensor Network (WSN) consists of numerous physically distributed autonomous devices used for sensing and monitoring the physical and/or environmental conditions. A WSN uses a gateway that provides wireless connectivity to the wired world as well as distributed networks. There are many open problems related to Ad-Hoc networks and its applications. Looking at the expansion of the cellular infrastructure, Ad-Hoc network may be acting as the basis of the 4th generation wireless technology with the new paradigm of 'anytime, anywhere communications'. To realize this, the real challenge would be the security, authorization and management issues of the large scale WSNs. This book is an edited volume in the broad area of WSNs. The book covers various chapters like Multi-Channel Wireless Sensor Networks, its Coverage, Connectivity as well as Deployment. It covers comparison of various communication protocols and algorithms such as MANNET, ODMRP and ADMR Protocols for Ad hoc Multicasting, Location Based Coordinated Routing Protocol and other Token based group local mutual exclusion Algorithms. The book also covers a chapter on Extended Ad hoc On-Demand Distance Vector (EAODV) routing protocol based on Distributed Minimum Transmission Multicast Routing (DMTMR). One chapter is dedicated to OCDMA and its future application and another chapter covers development of Home Automation System using SWN.

As a new generation of technologies, frameworks, concepts and practices for information systems emerge, practitioners, academicians, and researchers are in need of a source where they can go to educate themselves on the latest innovations in this area. ""Semantic Web Information Systems: State-of-the-Art Applications"" establishes value-added knowledge transfer and personal development channels in three distinctive areas: academia, industry, and government. ""Semantic Web Information Systems: State-of-the-Art Applications"" covers new semantic Web-enabled tools for the citizen, learner, organization, and business. Real-world applications toward the development of the knowledge society and semantic Web issues, challenges and implications in each of the IS research streams are included as viable sources for this challenging subject.

The rapid development and expansion of Web-based technologies has vast potential implications for the processes of teaching and learning world-wide. Technological advancements of Web-based applications strike at the base of the education spectrum; however, the scope of experimentation and discussion on this topic has continuously been narrow.

Your complete guide to the Joomla content management system

Whether you use Joomla to power a website, intranet, or blog, you'll need a good how-to reference on this complex, but not always intuitive, content management software. "Joomla Bible, Second Edition" is that book. It not only brings you up to speed on the changes and extensions that are now part of Joomla 3.0, it thoroughly covers functions and tasks, including installation, configuration, management, advanced modules, and extended coverage of two key extensions.

You'll learn how to obtain code and deploy it to a server; how to obtain, modify, and delete content; how to choose between the Joomla Platform and the Joomla CMS; and more. By the time you finish the "Joomla Bible, Second Edition," you'll be well prepared to build and maintain a Joomla -based website.Walks you through obtaining the Joomla 3.0 code and how to deploy it to a server, configure the site, create content, and manage content and user hierarchiesHelps you get the most out of core modules that provide advanced functionality, including the Polls Module, the Banner Manager, Content Syndication, Newsfeed Aggregation, and othersIncludes hands-on tutorials and real-world practical applications

Whether you're a content manager, website manager, developer, or do-it-yourselfer, make sure you keep "Joomla Bible, Second Edition" on hand.

Just like the industrial society of the last century depended on natural resources, today s society depends on information and its exchange.

Semantic Web technologies address the problem of information complexity by providing advanced support for representing and processing distributed information, while peer-to-peer technologies address issues of system complexity by allowing flexible and decentralized information storage and processing. Systems that are based on Semantic Web and peer-to-peer technologies promise to combine the advantages of the two mechanisms. A peer-to-peer style architecture for the Semantic Web will avoid both physical and semantic bottlenecks that limit information and knowledge exchange.

Staab and Stuckenschmidt structured the selected contributions into four parts: Part I, "Data Storage and Access," prepares the semantic foundation, i.e. data modelling and querying in a flexible and yet scalable manner. These foundations allow for dealing with the organization of information at the individual peers. Part II, "Querying the Network," considers the routing of queries, as well as continuous queries and personalized queries under the conditions of the permanently changing topological structure of a peer-to-peer network. Part III, "Semantic Integration," deals with the mapping of heterogeneous data representations. Finally Part IV, "Methodology and Systems," reports experiences from case studies and sample applications.

The overall result is a state-of-the-art description of the potential of Semantic Web and peer-to-peer technologies for information sharing and knowledge management when applied jointly. It serves researchers in academia and industry as an excellent and lasting reference and source of inspiration.

Today’s publishing infrastructure is rapidly changing. As electronic journals, digital libraries, collaboratories, logic servers, and other knowledge infrastructures emerge on the internet, the key aspects of this transformation need to be identified. Here, the author details the implications that this transformation is having on the creation, dissemination and organization of academic knowledge. The author shows that many established publishing principles need to be given up in order to facilitate this transformation. The text provides valuable insights for knowledge managers, designers of internet-based knowledge infrastructures, and professionals in the publishing industry. Researchers will find the scenarios and implications for research processes stimulating and thought-provoking.

What opportunities do digital technologies present? How do developments in digital media support scholarship and teaching yet further social justice? Written by two experts in the field, this accessible book is the first to look at scholarly practice in the digital era and consider how it can connect academics, journalists and activists in ways that foster transformation on issues of social justice. The terra firma of scholarly practice is changing. This book offers both a road map and a vision of what being a scholar can be when reimagined in the digital era to enliven the public good, as it discusses digital innovations in higher education as well as reflecting upon what these mean in an age of austerity. It is ideal for students and academics working in any field of humanities or social sciences with a social justice focus.

In the foreword to this volume of conference proceedings for IFIP Working Group 8.4, it is appropriate to review the wider organization to which the Working Group belongs. The International Federation of Information Processing (IFIP) is a non-governmental, non-profit umbrella organization for national societies working in the field of information processing that was established in 1960 under the auspices of UNESCO. IFIP's mission is to be the leading, truly international, apolitical organization which encourages and assists in the development, exploitation and application of Information Technology for the benefit of all people. At the heart of IFIP lie its Technical Committees that, between them, count on the active participation of some two thousand people world-wide. These Groups work in a variety of ways to share experience and to develop their specialised knowledge. Technical Committees include: TC 1. Foundations of Computer Science; TC 2: Software: Theory and Practice; TC 3: Education; TC 6: Communication Systems; TC 7: System Modelling and Optimization; TC 9: Relationship between Computers and Society; TC 11: Security and Protection in Information Processing Systems; TC 12: Artificial Intelligence and TC 13: Human-Computer Interaction. The IFIP website www.ifip.org) has further details. Technical Committee 8 (TC8) is concerned with Information Systems in organisations. Within TC8 there are different Working Groups focusing on particular aspects of Information Systems.

The book provides a comprehensive investigation of the performance and problems of the TCP/IP protocol stack, when data is transmitted over GSM, GPRS and UMTS. It gives an introduction to the protocols used for Internet access today, and also the Wireless Application Protocol (WAP). The basics of GSM, GPRS and UMTS are given, which are necessary for understanding the main topic, TCP performance over GSM, GPRS and UMTS. We describe at length the problems that TCP has when operating over a mobile radio link, and what has been proposed to remedy these problems. We derive the optimum TCP packet length for maximum data throughput on wireless networks, analytically and by simulation. Results on the throughput and various other parameters of TCP over mobile networks are given. This book gives valuable advice to network operators and application programmers to maximize data throughput, and which protocols, transmission modes, and coding schemes to use and which to avoid.

As virtual reality approaches mainstream consumer use, new research and innovations in the field have impacted how we view and can use this technology across a wide range of industries. Advancements in this technology have led to recent breakthroughs in sound, perception, and visual processing that take virtual reality to new dimensions. As such, research is needed to support the adoption of these new methods and applications. Cases on Immersive Virtual Reality Techniques is an essential reference source that discusses new applications of virtual reality and how they can be integrated with immersive techniques and computer resources. Featuring research on topics such as 3D modeling, cognitive load, and motion cueing, this book is ideally designed for educators, academicians, researchers, and students seeking coverage on the applications of collaborative virtual environments.

Web Systems Design and Online Consumer Behavior takes and interdisciplinary approach toward systems design in the online environment by providing an understanding of how consumers behave while shopping online and how certain system design elements may impact consumers' perceptions, attitude, intentions, and actual behavior. This book contains theoretical and empirical research from expert scholars in a number of areas including communications, psychology, marketing and advertising, and information systems. This book provides an integrated look at the subject area as described above to further our understanding of the linkage among various disciplines inherently connected with one another in electronic commerce.

The requirement of causality in system theory is inevitably accompanied by the appearance of certain mathematical operations, namely the Riesz proj- tion,theHilberttransform,andthespectralfactorizationmapping.Aclassical exampleillustratingthisisthedeterminationoftheso-calledWiener?lter(the linear, minimum means square error estimation ?lter for stationary stochastic sequences [88]). If the ?lter is not required to be causal, the transfer function of the Wiener ?lter is simply given by H(?)=? (?)/? (?),where ? (?) xy xx xx and ? (?) are certain given functions. However, if one requires that the - xy timation ?lter is causal, the transfer function of the optimal ?lter is given by 1 ? (?) xy H(?)= P ,?? (??,?] . + [? ] (?) [? ] (?) xx + xx? Here [? ] and [? ] represent the so called spectral factors of ? ,and xx + xx? xx P is the so called Riesz projection. Thus, compared to the non-causal ?lter, + two additional operations are necessary for the determination of the causal ?lter, namely the spectral factorization mapping ? ? ([? ] ,[? ] ),and xx xx + xx? the Riesz projection P .

Over the past several years, a great deal of research has been devoted to the use of information technology by small businesses. One technological tool now used to boost company success is Web presence enhancement in alignment with business strategy. ""Effective Web Presence Solutions for Small Businesses: Strategies for Successful Implementation"" is the first book to provide small businesses with a holistic approach to implementing their Web presence through identification of Web site content that matches their business strategy. A valuable read for small business owners as well as academicians and researchers, this book connects the various issues involved in the planning and execution of successful Web sites for small businesses.

This book constitutes the refereed proceedings of the 2008 IFIP Conference on Wireless Sensors and Actor Networks held in Ottawa, Canada on July 14-15, 2008.

The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems modeling and optimization; information systems; computers and society; computer systems technology; security and protection in information processing systems; artificial intelligence; and human-computer interaction. Proceedings and post-proceedings of refereed international conferences in computer science and interdisciplinary fields are featured. These results often precede journal publication and represent the most current research. The principal aim of the IFIP series is to encourage education and the dissemination and exchange of information about all aspects of computing.

Jerome McGann has been at the forefront of the digital revolution in the humanities. His pioneering critical projects on the World Wide Web have redefined traditional notions about interpreting literature. In this trailblazing book, McGann explores the profound implications digital media have for the core critical tasks of the humanities.Drawing on his work as editor of the acclaimed hypertext project The Rossetti Archive, he sets the foundation for a new critical practice for the digital age. Digital media, he demonstrates, can do much more than organize access to great works of literature and art. Beyond their acknowledged editorial and archival capabilities, digital media are also critical tools of unprecedented power. In McGann’s practical vision, digital tools give scholars a flexible, dynamic means for interpreting expressive works—especially those that combine text and image. Radiant Textuality demonstrates eloquently how new technologies can deepen our understanding of complex, multi-layered works of the human imagination in ways never before thought possible.

"One of the most significant books in my life." -Obie Fernandez, Author, The Rails Way "Twenty years ago, the first edition of The Pragmatic Programmer completely changed the trajectory of my career. This new edition could do the same for yours." -Mike Cohn, Author of Succeeding with Agile , Agile Estimating and Planning , and User Stories Applied ". . . filled with practical advice, both technical and professional, that will serve you and your projects well for years to come." -Andrea Goulet, CEO, Corgibytes, Founder, LegacyCode.Rocks ". . . lightning does strike twice, and this book is proof." -VM (Vicky) Brasseur, Director of Open Source Strategy, Juniper Networks The Pragmatic Programmer is one of those rare tech books you'll read, re-read, and read again over the years. Whether you're new to the field or an experienced practitioner, you'll come away with fresh insights each and every time. Dave Thomas and Andy Hunt wrote the first edition of this influential book in 1999 to help their clients create better software and rediscover the joy of coding. These lessons have helped a generation of programmers examine the very essence of software development, independent of any particular language, framework, or methodology, and the Pragmatic philosophy has spawned hundreds of books, screencasts, and audio books, as well as thousands of careers and success stories. Now, twenty years later, this new edition re-examines what it means to be a modern programmer. Topics range from personal responsibility and career development to architectural techniques for keeping your code flexible and easy to adapt and reuse. Read this book, and you'll learn how to: Fight software rot Learn continuously Avoid the trap of duplicating knowledge Write flexible, dynamic, and adaptable code Harness the power of basic tools Avoid programming by coincidence Learn real requirements Solve the underlying problems of concurrent code Guard against security vulnerabilities Build teams of Pragmatic Programmers Take responsibility for your work and career Test ruthlessly and effectively, including property-based testing Implement the Pragmatic Starter Kit Delight your users Written as a series of self-contained sections and filled with classic and fresh anecdotes, thoughtful examples, and interesting analogies, The Pragmatic Programmer illustrates the best approaches and major pitfalls of many different aspects of software development. Whether you're a new coder, an experienced programmer, or a manager responsible for software projects, use these lessons daily, and you'll quickly see improvements in personal productivity, accuracy, and job satisfaction. You'll learn skills and develop habits and attitudes that form the foundation for long-term success in your career. You'll become a Pragmatic Programmer. Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details.