Ravi K. Madduri

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With the emergence of “service oriented science,” the need arises to orchestrate various services to facilitate scientific investigation -that is, to create “science workflows.” In this paper we summarize our findings in providing a workflow solution for the caGrid service-based grid infrastructure. We choose BPEL and Taverna as candidate solutions, and(More)
OBJECTIVE As biomedical technology becomes increasingly sophisticated, researchers can probe ever more subtle effects with the added requirement that the investigation of small effects often requires the acquisition of large amounts of data. In biomedicine, these data are often acquired at, and later shared between, multiple sites. There are both(More)
Services computing technology enables scientists to expose data and computational resources wrapped as publicly accessible Web services. However, our study indicates that scientific services are currently poorly reused in an ad hoc style. This project aims to help domain scientists find interested services and reuse successful processes to attain their(More)
Cloud computing is attracting increasing attention as a means of providing users with fast provisioning of computational and storage resources, elastic scaling, and payas-you-go pricing. The integration of scientific workflows and Cloud computing has the potential to significantly improve resource utilization, processing speed, and user experience. This(More)
With the emergence of "service oriented science," the need arises to orchestrate multiple services to facilitate scientific investigation-that is, to create "science workflows." We present here our findings in providing a workflow solution for the caGrid service-based grid infrastructure. We choose BPEL and Taverna as candidates, and compare their usability(More)
In biological and medical domain, the use of web services made the data and computation functionality accessible in a unified manner, which helped automate the data pipeline that was previously performed manually. Workflow technology is widely used in the orchestration of multiple services to facilitate in-silico research. Cancer Biomedical Informatics Grid(More)
The CardioVascular Research Grid (CVRG) Project’s goal is to facilitate research on heart disease through open-source informatics and data analysis tools, making it easier for researchers to manage, share, and analyze complex data collected in cardiovascular studies. Inefficient mechanisms for sharing and analyzing data hamper large studies and make it hard(More)
The wide use of Web services and scientific workflows has enabled bioinformaticians to reuse experimental resources and streamline data processing. This paper presents a follow-up work of our network analysis on myExperiment, an online scientific workflow repository. The motivation comes from two common questions raised by bio-scientists: 1) Given the(More)
The Galaxy science portal is a popular gateway to data analysis and computational tools for a broad range of life sciences communities. While Galaxy enables users to overcome the complexities of integrating diverse tools into unified workflows, it has only limited capabilities to execute those tools on the parallel and often distributed high-performance(More)