DockFlow: Achieving interoperability of protein docking tools across heterogeneous Grid middleware Online publication date: Thu, 30-Sep-2010
by Nabeel Azam, Moustafa Ghanem, Dimitrios Kalaitzopoulos, Antje Wolf, Vinod Kasam, Yongjian Wang, Martin Hofmann-Apitius
International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC), Vol. 6, No. 4, 2010
Abstract: Enabling the seamless integration between applications executing on heterogeneous Grid middleware poses a number of challenges to both application scientists and middleware developers. We highlight some of these challenges in the context of designing and implementing DockFlow. DockFlow is a virtual screening environment integrating four Grid-based protein docking tools that execute on different Grid middleware technologies at different locations. We propose extensions that can be applied to any Grid-based workflow system to support the run-time interoperability between the available tools. The extensions are generic, and as an example we describe how they have been implemented in the InforSense workflow system. We also present experimental results that evaluate the tradeoffs between performance and usability of the proposed methods.
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