Preface; P. Kacsuk, G. Kotsis. Program Committee and List of Referees. Part I: Software Development Environments and Performance Evaluation. The DIWIDE Distributed Debugger on Windows NT and UNIX Platforms; J. Kovacs, P. Kacsuk. COBRA - the Library for building Reliable Applications in Distributed Environment; J. Brzezinski, et al. Design and Implementation of a Distributed Monitor for Semi-on-line Monitoring of VisualMP Applications; N. Podhorszki, P. Kacsuk. Quality of Distributed Applications; H. Krawczyk, B. Wiszniewski. Performance Technology for Complex Parallel and Distributed Systems; A.D. Malony, S. Shende. Evaluating Performance of OpenMP and MPI on the SGI Origin 2000 with Benchmarks of Realistic Problem Sizes; C.K. Zoltani, et al. Performance Tuning of Parallel Real-Time Voice Communication Software; H. Hellwagner, et al. CLUE: A Tool for Cluster Evaluation; H. Hlavacs, et al. Part II: Algorithms and Languages. Efficient Run Time Optimization with Static Single Assignment; J.W. Kim, T.E. Boult. On Classification Heuristics of Probabilistic System-Level Fault Diagnostic Algorithms; T. Bartha, E. Selenyi. A New Heuristic for the Process-Processor Mapping Problem; Z. Juhasz, S. Turner. FIFO Buffers in Tie Sauce; F. Pommereau. Parameterized M-expression Semantics of Parallel Procedures; H. Klaudel. Part III: Architectures. A Novel Execution Model for Logflow on a Hybrid Multithreaded Architecture; Zs. Nemeth. The NOP Parallel Programming Model; L. Schrettner. Thread Management Mechanisms of CEFOS; M. Shimosaki, et al. The Parallel Video Server SESAME-KB; K. Breidler. The Poor Man's Super Computer; F. Csikor. An ImprovementTechnique for Hybrid Protocol for Software Distributed Shared Memory; S.-W. Lee, K.-Y. Yoo. Cache-Only Write-Detection for Nautilus DSM; M. Marino, G. Campos. Hive: Implementing a Virtual Distrbuted Shared Memory in Java; F. Baiardi, et al. Part IV: Web and Cluster Computing. Analyzing Algebraic Curves by Cluster Computing; W. Schreiner, et al. A Novel Programming Stategy Considering Portable Wireless Nodes in a Heterogeneous Cluster; E.M. Maci-Lopez, et al. Quality-aware Proxy Caching for Web Videos; S. Podlipnig, L. Boeszoermenyi. Cluster Command & Control (C3) Tool Suite; R. Flanery, et al. Searching the Web as an Elemental Semi-structured Information System of Today; D. Fulep. Prototyping Cluster-Based Distributed Application; V. Dvořak, R. Čejka. Resource Management in a Jini-Based Metacomputing Framework; Z. Juhasz, L. Kesmarki. Author Index.