HPCwire: Purdue Libraries, ITaP Build Data Management Solutions

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April 28, 2006

Purdue Libraries, ITaP Build Data Management Solutions

, Freelance writer

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Purdue Libraries and Information Technology at Purdue (ITaP) are collaborating on an initiative that includes innovative software developed on campus to help researchers store, sort, archive, retrieve and manage large-scale data and information.

The Distributed Institutional Repository is a Web-based data portal that provides tools and systems to manipulate large data sets and to help users understand the origins of data and learn about additional research applications using the same data.

"The DIR is an architecture Purdue Libraries developed which utilizes a unique approach to pulling access together from a number of distributed repositories," said Scott Brandt, professor of library science and associate dean for research for Purdue Libraries.

Most institutional repositories use a single system within a single software environment. In addition to data repositories built by ITaP and the Libraries, the DIR will access a wide variety of information systems, including electronic dissertations e-prints and archival special collections.

Purdue Libraries' role in the repository is to define organizational structure, access to and the retrieval of data deposited and archived from three broad categories: traditional sources, such as journals and books; current digital sources, such as Web pages, digital video and electronic documents; and future sources, such as remote sensing data and large-scale visualization and perceptualization.

"The Libraries have always supported research through building and organizing collections," Brandt said. "With a distributed repository, we hope to enhance discovery and use of data across campus."

An institutional repository is necessary to meet the growing need to house massive amounts of data and to make it usable for users across the academic environment, Brandt said.

"Projects like this are another example of how we are bridging discovery and learning in non-traditional ways," said Krishna Madhaven, research scientist and project leader with ITaP's Rosen Center for Advanced Computing. "We're starting to see the big picture of how large data computation, learning, research and network are coming together."

The ITaP data repository is a multi-disciplinary data management system that was built on top of Storage Resource Broker (SRB) and deployed on the TeraGrid network, said Lan Zhao, senior analyst and programmer in the Rosen Center. She also developed the SRB-based data management architecture that is connected to the Distributed Institutional Repository.

SRB is an open-source data-management middleware developed by the San Diego Supercomputer Center.

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