In: Making grids work. Proceedings of the CoreGrid workshop on programming models, grid and P2P system architecture, grid systems, tools and environments. Heraklion, 2007..
Utilizing heterogeneous data sources in computational grid workflows
Research and advanced technology for digital libraries. Second European conference. ECDL'98. Procedings. Heraklion, 1998. (Lecture notes in computer science 1513.), pp. 905-906.