Yong Zhao Ioan Raicu Ian T. Foster Mihael Hategan Veronika Nefedova Michael Wilde Realizing Fast, Scalable and Reliable Scientific Computations in Grid Environments http://arxiv.org/abs/0808.3548 2008 CoRR abs/0808.3548 db/journals/corr/corr0808.html#abs-0808-3548 informal publication