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A feature is a small modification or extension of a system which can be seen as having a self-contained functional role, such as Call Forwarding, Automatic Call back and Voice Mail in telephone services, to which users can subscribe. Feature interaction happens when one feature modifies or subverts the operation of another, and this problem has received a great deal of attention from industry and academics, especially in the field of telecommunications, where new services are constantly being developed and deployed. This volume contains refereed papers resulting from the ESPRIT FIREworks working group. The papers focus on the language constructs which have been developed describing features, and advocate a feature-oriented approach to software design including requirements specification languages and verifications logics.
In recent years, concepts in object-oriented modeling and programming have been extended in several directions, giving rise to new paradigms such as age- orientation and feature-orientation. This volume came out of a Dagstuhl seminar exploring the relationship - tween the original paradigm and the two new ones. Following the success of the seminar, the idea emerged to edit a volume with contributions from parti- pants - including those who were invited but could not come. The participants' reaction was very positive, and so we, the organizers of the seminar, felt - couraged to edit this volume. All submissions were properly refereed, resulting in the present selection of high-quality papers in between the topics of objects, agents and features. The editors got help from a number of additional reviewers, viz. Peter Ahlbrecht, Daniel Amyot, Lynne Blair, Jan Broersen, Mehdi Dastani, Virginia Dignum, Dimitar Guelev, Benjamin Hirsch, Maik Kollmann, Alice Miller, Stephan Rei?-Marganiec, Javier Vazquez-Salceda, and Gerard Vreeswijk. Finally, we would like to take this opportunity to thank all the persons - volvedintherealizationoftheseminarandthisbook:attendees,authors,revi- ers, and, last but not least, the sta? from Schloss Dagstuhl and Springer-Verlag. February 2004 The Editors TableofContents Objects, Agents, and Features: An Introduction. . . . . . . . . . . . . . . . . . . . . . . . 1 John-Jules Ch. Meyer, Mark D. Ryan, and Hans-Dieter Ehrich Coordinating Agents in OO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Frank S. de Boer, Cees Pierik, Rogier M. van Eijk, and John-Jules Ch. Meyer On Feature Orientation and on Requirements Encapsulation Using Families of Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Jan Bredereke Detecting Feature Interactions: How Many Components Do We Need?. . . .
Everything you ever wanted to know about multimedia retrieval and management. This comprehensive book offers a full picture of the cutting-edge technologies necessary for a profound introduction to the field. Leading experts also cover a broad range of practical applications.
Modern telecommunication systems are highly complex from an algorithmic point of view. The complexity continues to increase due to advanced modulation schemes, multiple protocols and standards, as well as additional functionality such as personal organizers or navigation aids. To have short and reliable design cycles, efficient verification methods and tools are necessary. Modeling and simulation need to accompany the design steps from the specification to the overall system verification in order to bridge the gaps between system specification, system simulation, and circuit level simulation. Very high carrier frequencies together with long observation periods result in extremely large computation times and requires, therefore, specialized modeling methods and simulation tools on all design levels. The focus of Modeling and Simulation for RF System Design lies on RF specific modeling and simulation methods and the consideration of system and circuit level descriptions. It contains application-oriented training material for RF designers which combines the presentation of a mixed-signal design flow, an introduction into the powerful standardized hardware description languages VHDL-AMS and Verilog-A, and the application of commercially available simulators. Modeling and Simulation for RF System Design is addressed to graduate students and industrial professionals who are engaged in communication system design and want to gain insight into the system structure by own simulation experiences. The authors are experts in design, modeling and simulation of communication systems engaged at the Nokia Research Center (Bochum, Germany) and the Fraunhofer Institute for Integrated Circuits, Branch Lab Design Automation (Dresden, Germany).
Features - additional services - occur whenever organisations compete by differentiating their products from those of rival organisations. Adding one feature may break another, or interfere with it in an undesired way. This phenomenon is called feature interaction. This book explores ways in which the feature interaction problem may be mitigated.
This book introduces the tools you'll need to program with the packetC language. packetC speeds the development of applications that live within computer networks, the kind of programs that provide network functionality for connecting "clients" and "servers” and “clouds." The simplest examples provide packet switching and routing while more complex examples implement cyber security, broadband policies or cloud-based network infrastructure. Network applications, such as those processing digital voice and video, must be highly scalable, secure and maintainable. Such application requirements translate to requirements for a network programming language that leverages massively-parallel systems and ensures a high level of security, while representing networking protocols and transactions in the simplest way possible. packetC meets these requirements with an intuitive approach to coarse-grained parallelism, with strong-typing and controlled memory access for security and with new data types and operators that express the classic operations of the network-oriented world in familiar programming terms. No other language has addressed the full breadth of requirements for tractable parallelism, secure processing and usable constructs. The packetC language is growing in adoption and has been used to develop solutions operating in some of the world’s largest networks. This important new language, packetC, has now been successfully documented in this book, in which the language's authors provide the materials and tools you'll need in a readable and accessible form.
This book guides readers through the design of hardware architectures using VHDL for digital communication and image processing applications that require performance computing. Further it includes the description of all the VHDL-related notions, such as language, levels of abstraction, combinational vs. sequential logic, structural and behavioral description, digital circuit design, and finite state machines. It also includes numerous examples to make the concepts presented in text more easily understandable.
FORTE 2001, formerly FORTE/PSTV conference, is a combined conference of FORTE (Formal Description Techniques for Distributed Systems and Communication Protocols) and PSTV (Protocol Specification, Testing and Verification) conferences. This year the conference has a new name FORTE (Formal Techniques for Networked and Distributed Systems). The previous FORTE began in 1989 and the PSTV conference in 1981. Therefore the new FORTE conference actually has a long history of 21 years. The purpose of this conference is to introduce theories and formal techniques applicable to various engineering stages of networked and distributed systems and to share applications and experiences of them. This FORTE 2001 conference proceedings contains 24 refereed papers and 4 invited papers on the subjects. We regret that many good papers submitted could not be published in this volume due to the lack of space. FORTE 2001 was organized under the auspices of IFIP WG 6.1 by Information and Communications University of Korea. It was financially supported by Ministry of Information and Communication of Korea. We would like to thank every author who submitted a paper to FORTE 2001 and thank the reviewers who generously spent their time on reviewing. Special thanks are due to the reviewers who kindly conducted additional reviews for rigorous review process within a very short time frame. We would like to thank Prof. Guy Leduc, the chairman of IFIP WG 6.1, who made valuable suggestions and shared his experiences for conference organization.
This Festschrift volume, published to honor Peter D. Mosses on the occasion of his 60th birthday, includes 17 invited chapters by many of Peter's coauthors, collaborators, close colleagues, and former students. Peter D. Mosses is known for his many contributions in the area of formal program semantics. In particular he developed action semantics, a combination of denotational, operational and algebraic semantics. The presentations - given on a symposium in his honor in Udine, Italy, on September 10, 2009 - were on subjects related to Peter's many technical contributions and they were a tribute to his lasting impact on the field. Topics addressed by the papers are action semantics, security policy design, colored petri nets, order-sorted parameterization and induction, object-oriented action semantics, structural operational semantics, model transformations, the scheme programming language, type checking, action algebras, and denotational semantics.
This book constitutes the final report of the work carried out in the project KORSO ("Korrekte Software") funded by the German Federal Ministry for Research and Technology. KORSO is an evolutionary, prototype-oriented project aimed at improving the theoretical foundations of quality-driven software engineering and at implementing known techniques for applications of practical relevance. The 21 strictly refereed papers presented are organized in five sections on methods for correctness, languages, development systems and logical frameworks, tools, and case studies. In addition, the preface and introductory paper give valuable background information and a concise state-of-the-art overview.