Elias Theocharopoulos

Learn More
OGSA-DAI (Open Grid Services Architecture Data Access and Integration) is a framework for building distributed data access and integration systems. Until recently, it lacked the built-in functionality that would allow easy creation of federations of distributed data sources. The latest release of the OGSA-DAI framework introduced the OGSA-DAI DQP(More)
OGSA-DAI provides an extensible framework that allows data resources to be incorporated into Grid fabrics. The current OGSA-DAI release, version 3.0, is a complete top-to-bottom redesign and implementation of the OGSA-DAI product. A number of fundamental conceptual and design changes are introduced in this release. In this paper we describe the motivation(More)
OGSA-DAI provides an extensible Web service-based framework that allows data resources to be incorporated into Grid fabrics. The current OGSA-DAI release (OGSADAI WSI/WSRF v2.2) has implemented a set of optimizations identified through the examination of common OGSA-DAI use patterns. In this paper we describe these patterns and detail the optimizations that(More)
OGSA-DAI (Open Grid Services Architecture Data Access and Integration) provides an extensible software framework allowing data resources, such as files, relational and XML databases, to be exposed through Web services acting within collaborative Grid environments or, more modestly, in stand-alone mode. OGSA-DAI may be deployed to WSRF-based platforms, such(More)
  • 1