On behalf of the Program Committee, it is a pleasure for us to introduce the proceedingsofthe1stEuropeanAcrossGridsConference.Thiseventwasheldin SantiagodeCompostela,Spain,February13 14,2003.Theconference,organized by the University of Santiago (USC), the University of A Coruna (UDC) and theSupercomputingCenterofGalicia(CESGA),waspromotedbytheEuropean CrossGrid project and supported by the GridStart Cluster. The idea of organizing this event was born within the CrossGrid com- nity. CrossGrid is developing its middleware, tools and applications in colla- ration with DataGrid and GridLab and is open to collaboration with other Grid projects.USC,UDCandCESGAenthusiasticallysupportedtheconferenceidea. We consider the Across Grids Conference to be an important contribution to the objectives of the GridStart project. The aim of this 1st European Across Grids Conference was to forge an - nual forum in which researchers linked to European projects could present their research results in the ?eld of Grid computing. This conference does not - tend to replace the Global Grid Forum. However, we do ?nd that research being conducted within European projects deserves a special meeting in which all - searchers participating in the Grid development challenge can exchange ideas, experiencesand,chie?y,results.Wewouldlikethee?ortoforganizingthisforum to ?nd continuity in the following years in other European cities. Our ?rst interest was to bring together as many European Grid projects as possible. We believe we have been successful in attaining this aim. Papers and posters from DataGrid, CrossGrid, Damien, DataTAG, GridWay and GridLab were presented, as well as results of research funded by national Grid projects, including NORDUGRID and several Spanish Grid initiatives, such as RedeGrid.

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Inhalt
Experiences on Grid Resource Selection Considering Resource Proximity.- Decentralized vs. Centralized Economic Coordination of Resource Allocation in Grids.- The EU-CrossGrid Approach for Grid Application Scheduling.- Job Scheduling and Resource Management Techniques in Economic Grid Environments.- VOMS, an Authorization System for Virtual Organizations.- A Grid Framework for Optimistic Resource Sharing.- Search Engines for the Grid: A Research Agenda.- Design and Implementation of a Grid-Enabled Component Container forCORBA Lightweight Components.- First Prototype of the CrossGrid Testbed.- An Advanced Security Infrastructure for Heterogeneous Relational Grid Data Sources.- High-Performance GRID Stream Database Manager for Scientific Data.- Optimization of Data Access for Grid Environment.- ATLAS Data Challenges in GRID Environment on CYFRONET Cluster.- MAPFS-Grid: A Flexible Architecture for Data-Intensive Grid Applications.- RAID-1 and Data Stripping across the GRID.- A Parallel I/OMiddleware to Integrate Heterogeneous Storage Resources on Grids.- Mobile Work Environment for Grid Users.- Grid-Enabled Visualization with GVK.- Grid Services for HLA-Based Distributed Simulation Frameworks.- A Grid-Enabled Air Quality Simulation.- GRID Oriented Implementation of Self-organizing Maps for Data Mining in Meteorology.- Grid Computing in Structure Determination of Biological Specimens by Electron Microscope Tomography.- A Grid Representation for Distributed Virtual Environments.- Interactive Distributed Data Access in a GRID Environment.- Dynamic Grid Catalog Information Service.- Network Performance Measurements as Part of Feasibility Studies on Moving an ATLAS Event Filter to Off-Site Institutes.- A Flexible Multi-level Grid Monitoring Architecture.- Automatic Services Discovery, Monitoring and Visualization of Grid Environments: The MapCenter Approach.- Monitoring Grid Applications with Grid-Enabled OMIS Monitor.- The G-PM Tool for Grid-Oriented Performance Analysis.-Jiro Based Grid Infrastructure Monitoring System State of Development Report.- Performance Prediction in a Grid Environment.- ULabGrid, an Infrastructure to Develop Distant Laboratories for Undergrad Students over a Grid.- Wireless Java-Enabled MIDP Devices as Peers in a Grid Infrastructure.- TCP Behavior on Transatlantic Lambda's.- Grid Characteristics and Uses: A Grid Definition.- An Overview of European Grid Projects.- The CrossGrid Architecture: Applications, Tools, and Grid Services.- Comparison of Grid Middleware in European Grid Projects.