GADA 2007 International Conference (Grid Computing, High-Performance and Distributed Applications) -- GADA 2007 PC Co-chairs' Message -- Service Architectures for e-Science Grid Gateways: Opportunities and Challenges -- Access Control Management in Open Distributed Virtual Repositories and the Grid -- Transforming the Adaptive Irregular Out-of-Core Applications for Hiding Communication and Disk I/O -- Adaptive Data Block Placement Based on Deterministic Zones (AdaptiveZ) -- Keyword Based Indexing and Searching over Storage Resource Broker -- eCube: Hypercube Event for Efficient Filtering in Content-Based Routing -- Combining Incomparable Public Session Keys and Certificateless Public Key Cryptography for Securing the Communication Between Grid Participants -- A Service-Oriented Platform for the Enhancement and Effectiveness of the Collaborative Learning Process in Distributed Environments -- Social Networking to Support Collaboration in Computational Grids -- A Policy Based Approach to Managing Shared Data in Dynamic Collaborations -- Grid Service Composition in BPEL for Scientific Applications -- Efficient Management of Grid Resources Using a Bi-level Decision-Making Architecture for "Processable" Bulk Data -- Towards an Open Grid Marketplace Framework for Resources Trade -- A Hybrid Algorithm for Scheduling Workflow Applications in Grid Environments (ICPDP) -- Contention-Free Communication Scheduling for Group Communication in Data Parallelism -- SNMP-Based Monitoring Agents and Heuristic Scheduling for Large-Scale Grids -- HARC: The Highly-Available Resource Co-allocator -- Assessing a Distributed Market Infrastructure for Economics-Based Service Selection -- Grid Problem Solving Environment for Stereology Based Modeling -- Managing Dynamic Virtual Organizations to Get EffectiveCooperation in Collaborative Grid Environments -- Sidera: A Cluster-Based Server for Online Analytical Processing -- Parallel Implementation of a Neural Net Training Application in a Heterogeneous Grid Environment -- Generalized Load Sharing for Distributed Operating Systems -- An Application-Level Service Control Mechanism for QoS-Based Grid Scheduling -- Fine Grained Access Control with Trust and Reputation Management for Globus -- Vega: A Service-Oriented Grid Workflow Management System -- Information Security (IS) 2007 International Symposium -- IS 2007 PC Co-chairs' Message -- Cryptography: Past, Present and Future -- E-Passport: Cracking Basic Access Control Keys -- Managing Risks in RBAC Employed Distributed Environments -- STARBAC: Spatiotemporal Role Based Access Control -- Authentication Architecture for eHealth Professionals -- On RSN-Oriented Wireless Intrusion Detection -- A Hybrid, Stateful and Cross-Protocol Intrusion Detection System for Converged Applications -- Toward Sound-Assisted Intrusion Detection Systems -- End-to-End Header Protection in Signed S/MIME -- Estimation of Behavior of Scanners Based on ISDAS Distributed Sensors -- A Multi-core Security Architecture Based on EFI -- Intelligent Home Network Authentication: Home Device Authentication Using Device Certification -- Bayesian Analysis of Secure P2P Sharing Protocols -- Network Coding Protocols for Secret Key Distribution -- 3-Party Approach for Fast Handover in EAP-Based Wireless Networks -- SWorD- A Simple Worm Detection Scheme -- Prevention of Cross-Site Scripting Attacks on Current Web Applications -- Compiler Assisted Elliptic Curve Cryptography -- Trust Management Model and Architecture for Context-Aware Service Platforms -- Mobile Agent Protection in E-Business Application A Dynamic Adaptability BasedApproach -- Business Oriented Information Security Management - A Layered Approach.