Preface.- Divide et Impera: Partitioning Unstructured Peer-to-Peer Systems to Improve Resource Location.- Passive End-to-End Packetloss Estimation for Grid Traffic Monitoring.- Validating Desktop Grid Results by Comparing Intermediate Checkpoints.- Using ReflexD for a Grid Solution to the N-Queens Problem: A Case Study.- Integrating the Palantir Grid Meta-Information System with GRMS.- Integration of the Enanos Execution Framework with GRMS for Grid Purposes.- User-Transparent Scheduling for Software Components on the Grid.- Problem Solving Environment for Distributed Interactive Applications.- Estimating the Reliability of Web and Grid Orchestrations.- Fault-Tolerant Data Sharing for Highlevel Grid Programming: A Hierarchical Storage Architecture.- PAL:Towards a New Approach to High Level Parallel Programming.- A Study on Network Resources Management in Grids.- Componentising a Scientific Application for the Grid.- A Peer-to-Peer Framework for Resource Discovery in Large-Scale Grids.- Grid Superscalar and Gricol:Integrating Different Programming Approaches.- Deriving Policies from Grid Security Requirements Model.- Domain-Specific Metadata for Model Validation and Performance Optimisation.- A Service for Reliable Execution of Grid Applications.- Performance Monitoring of Grid Superscalar with OCM-G: Integration Issues.- Improving Workflow Execution Through SLA-Based Advance Reservation.- Benchmarking the OGSA-DAI Middleware.- Index.