Programming With Process Groups Group And Multicast Semantics

The International Colloquium on Automata, Languages and Programming (ICALP) is an annual conference series sponsored by the European Association for Theoretical Computer Science (EATCS). It is intended to cover all important areas of theoretical computer science, such as: computability, automata,formal languages, term rewriting, analysis of algorithms, computational geometry, computational complexity, symbolic and algebraic computation, cryptography, data types and data structures, theory of data bases and knowledge bases, semantics of programming languages, program specification, transformation and verification, foundations of logicprogramming, theory of logical design and layout, parallel and distributed computation, theory of concurrency, and theory of robotics. This volume contains the proceedings of ICALP 93, held at LundUniversity, Sweden, in July 1993. It includes five invited papers and 51 contributed papers selected from 151 submissions.

Enabling group communication is one of the major challenges for the future Internet. Various issues ranging from services and applications to protocols and infrastructure have to be addressed. Moreover, they need to be studied from various angles and therefore involve skills in multiple areas. COST264wascreatedtocontributetothisinternationale?orttowardsgroup communication and related technologies. The European COST framework is ideal for establishing a new community of interest, providing an open forum for ideas, and also supporting young researchers in the ?eld. The COST264 action, o?cially started in late 1998, aims at leveraging the European research in this areaandcreatingintensiveinteractionattheinternationallevel.Tothispurpose, COST264 decided to organize an annual technical workshop, the “International Workshop on Networked Group Communication”. NGC’99 in Pisa is the ?rst event of the series. Despitethisbeingthe?rstworkshopanddespitetheveryshorttimebetween the Call for Papers and the deadline for submissions, and the other con?icting andmoreestablishedevents,theCallforPapersofNGC’99washighlysuccessful: we received 49 papers, of which 18 were selected to compose the basis of the technical program. We hope you will enjoy our paper selection, which is the VI Preface core of these proceedings, and addresses important issues in the research and development of networked group communication. In addition to refereed contributions, we scheduled two keynote speakers (Christophe Diot and Steve Deering), and four invited talks by Ken Birman (Cornell), Bob Briscoe (BT), Radia Perlman (SUN), Tony Speakman (CISCO).

This paper reports on a new architecture that arose from an effort to simplify Isis process group semantics. Our findings include a refined notion of how the clients of a group should be treated, what the properties of a multicast primitive should be when systems contain large numbers of overlapping groups, and a new construct called the causality domain. A system based on this architecture is now being implemented in collaboration with the Chorus and Mach projects."

This book summarizes the current knowledge on a cascade of gene regulation levels which operate in the cytoplasm of eukaryotic cells and which has until recently been poorly understood. While transcriptional control of eukaryotic genes has been extensively researched and the understanding of this process has reached very sophisticated levels, post- transcriptional control has received much less attention. As the contributions in this book demonstrate, not only is post-transcriptional control in eukaryotes better understood, it is now thought to be a major player in gene expression control in a number of key processes, i.e. control of cell proliferation, gametogenesis and early development or cellular homeostasis.

This 41st volume covers Application of Bayesan Belief Networks to Highway Construction to Virtual Reality Software and Technology.