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Coordination, considered abstractly, is an ubiquitous notion in computer science: for example, programming languages coordinate elementary instructions; operating systems coordinate accesses to hardware resources; database transaction schedulers coordinate accesses to shared data; etc. All these situations have some common features, which can be identified at the abstract level as “coordination mechanisms”. This book focuses on a class of coordination models where multiple pieces of software coordinate their activities through some shared dataspace. The book has three parts. Part 1 presents the main coordination models studied in this book (Gamma, LO, TAO, LambdaN). Part 2 focuses on various semantics aspects of coordination, applied mainly to Gamma. Part 3 presents actual implementations of coordination models and an application.
We welcome you to Coordination ’99, the third in a series of conferences d- icated to an important perspective on the development of complex software systems. That perspective is shared by a growing community of researchers - terested in models, languages, and implementation techniques for coordination. The last decade has seen the emergence of a class of models and languages variously termed “coordination languages”, “con?guration languages”, “arc- tectural description languages”, and “agent-oriented programming languages”. Theseformalismsprovideacleanseparationbetweenindividualsoftwarecom- nents and their interaction within the overall software organization. This se- ration makes complex applications more tractable, supports global analysis,and enhances the reuse of software components. The proceedings of the previous two conferences on this topic were published by Springer as Lecture Notes in Computer Science 1061 and 1282. This issue of LNCS containing the papers presented at Coordination ’99 continues the tradition of carefully selected and high quality papers representing the state of the artin coordinationtechnology.In responseto thecallfor papers,wereceived 67 submissions, from which 26 papers were accepted. These proceedings also contain abstracts for posters presented at the conference. This year’s program features invited talks by Rocco De Nicola and Danny B. Lange. Reading through the papers, we expect that you may be surprised by the variety of disciplines within computer science that have embraced the notion of coordination. In fact, we expect this trend to continue, and hope that you will contribute to the on-going exploration of its strengths, weaknesses, and applications.
The multiset, as a set with multiplicities associated with its elements in the form of natural numbers, is a notation which has appeared again and again in various areas of mathematics and computer science. As a data structure, multisets stand in-between strings/lists, where a linear ordering of symbols/items is present, and sets, where no ordering and no multiplicity is considered. This book presents a selection of thoroughly reviewed revised full papers contributed to a workshop on multisets held in Curtea de Arges, Romania in August 2000 together with especially commissioned papers. All in all, the book assesses the state of the art of the notion of multisets, the mathematical background, and the computer science and molecular computing relevance.
Since its first volume in 1960, Advances in Computers has presented detailed coverage of innovations in hardware and software and in computer theory, design, and applications. It has also provided contributors with a medium in which they can examine their subjects in greater depth and breadth than that allowed by standard journal articles. As a result, many articles have become standard references that continue to be of significant, lasting value despite the rapid growth taking place in the field.This volume is organized around engineering large scale software systems. It discusses which technologies are useful for building these systems, which are useful to incorporate in these systems, and which are useful to evaluate these systems.
This book illustrates linear logic in the application of proof theory to computer science.
The interaction paradigm is a new conceptualization of computational phenomena that emphasizes interaction over algorithms, reflecting the shift in technology from main-frame number-crunching to distributed intelligent networks with graphical user interfaces. The book is arranged in four sections: "Introduction", comprising three chapters that explore and summarize the fundamentals of interactive computation; "Theory" with six chapters, each discussing a specific aspect of interaction; "Applications," five chapters showing how this principle is applied in subdisciplines of computer science; and "New Directions," presenting four multidisciplinary applications. The book challenges traditional Turing machine-based answers to fundamental questions of problem solving and the scope of computation.
Formal methods have been applied successfully to the verification of medium-sized programs in protocol and hardware design. However, their application to the development of large systems requires more emphasis on specification, modelling and validation techniques supporting the concepts of reusability and modifiability, and their implementation in new extensions of existing programming languages like Java. The 6th International Symposium on Formal Methods for Components and Objects, FMCO 2007, was held in Amsterdam, The Netherlands, in October 2007. This book presents 12 revised papers submitted after the symposium by the speakers of each of the following European IST projects: the IST-FP6 project Mobius, developing the technology for establishing trust and security for the next generation of global computers; the IST-FP6 project SelfMan on self management for large-scale distributed systems based on structured overlay networks and components; the IST-FP6 project GridComp and the FP6 CoreGRID Network of Excellence on grid programming with components; the Real-time component cluster of the Network of Excellence on Embedded System Design ARTIST, focussing on design processes, and architectures for real-time embedded systems; and the IST-FP6 project CREDO on modeling and analysis of evolutionary structures for distributed services.
Containing contributions from both theoretical computer scientists and people working in areas where multi-agent architectures are involved (artificial intelligence, artificial life, linguistics, managing complex systems), this book presents both theoretical developments and applications of grammar systems of various types (cooperating distributed grammar systems, eco-grammar). A survey of notions and results in grammar system theory is included. This book, the first one of its type, is of interest to researchers faced with complex systems which can be approached at a "syntactic" level (as symbol manipulating systems), as a distributed structure, as well as for computer scientists and mathematicians interested in grammar systems theory, who can find here both basic references, recent developments and suggestions for further research and applications.
This book constitutes the refereed proceedings of the 8th International Conference on High-Performance Computing and Networking, HPCN Europe 2000, held in Amsterdam, The Netherlands, in May 2000. The 52 revised full papers presented together with 34 revised posters were carefully reviewed for inclusion in the book. The papers are organized in sections on problem solving environments, metacomputing, load balancing, numerical parallel algorithms, virtual enterprises and virtual laboratories, cooperation coordination, Web-based tools for tele-working, monitoring and performance, low-level algorithms, Java in HPCN, cluster computing, data analysis, and applications in a variety of fields.