Trident

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Trident Scientific Workflow Workbench
Nelson Araujo, Roger Barga, Tim Chou, Dean Guo,
Jared Jackson, Nitin Gautam, Yogesh Simmhan,
Catharine Van Ingen Microsoft Research Keith
Grochow, Mark Stoermer, Ed Lazowska University of
Washington Joby Thomas and Murali
Narayanan Aditi Technologies
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Trident Scientific Workflow Workbench
Visually program workflows, through a web
browser Libraries of activities, workflows and
services Social annotations and search, connect
to myexperiment. Abstract parallelism, for HPC
many core (CCR) Adaptive workflows, to detect and
respond to events Automatic provenance capture,
open provenance model Costing model, resources
include time, power, data xfer Integrated data
storage and access Integrated visualization
tools Fault tolerance, facilitate smart reruns,
what-if analysis Distribution, moving the work
closer to the data source Factory scheduling of
workflows
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Pan-STARRS Sky Survey

• One of the largest visible light telescopes
• 4 unit telescopes acting as one
• 1 Gigapixel per telescope
• Surveys entire visible universe in 1 week
• Catalog solar system, moving objects/asteroids
• ps1sc.org UHawaii, Johns Hopkins,

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