Niall Gaffney

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As part of the development of the National Virtual Observatory (NVO), a Data Grid for astronomy, we have developed a prototype science application to explore the dynamical history of galaxy clusters by analyzing the galaxies' morphologies. The purpose of the prototype is to investigate how Grid-based technologies can be used to provide specialized(More)
Jetstream will be the first production cloud resource supporting general science and engineering research within the XD ecosystem. In this report we describe the motivation for proposing Jetstream, the configuration of the Jetstream system as funded by the NSF, the team that is implementing Jetstream, and the communities we expect to use this new system.(More)
We present an overview of the recently funded " Merging Science and Cyberinfrastructure Pathways: The Whole Tale " project (NSF award #1541450). Our approach has two nested goals: 1) deliver an environment that enables researchers to create a complete narrative of the research process including exposure of the data-to-publication lifecycle, and 2)(More)
When the identity of a next generation sequencing sample is lost, reads or assembled contigs are aligned to a database of known genomes and classified as the match with the most hits. However, any alignment based methods are very expensive when dealing with millions of reads and several thousand genomes with homologous sequences. Instead of relying on(More)
also be provided, allowing users to leverage these tools for both data cataloging and cross-study integration. Wrangler will allow users to focus more on what is most important to them, the data and knowledge gained from its analysis, and less on the details of curation and I/O optimization. Exponential growth in the generation of data is transforming(More)
Over the years, R has been adopted as a major data analysis and mining tool in many domain fields. As Big Data overwhelms those fields, the computational needs and workload of existing R solutions increases significantly. With recent hardware and software developments, it is possible to enable massive parallelism with existing R solutions with little to no(More)
We describe our scheme for scheduling and observing with the Hobby 5 Eberly Telescope 1 (HET). The HET will be operated 85% of the time in a queue-scheduled, service observing mode. Principal Investigators (PIs) use software planning tools to determine how to make their observations with the HET, and submit proposals for telescope time to local Time(More)
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