Our Research Areas

Workflow Management Systems for Science
Machine Learning for Science
Enhancing National Cyberinfrastructure
Modeling and Simulation of distributed computing systems

Recent News

Seminars, Presentations, Research Outcomes...

Scitech at eScience21

The Pegasus (SciTech) group actively participated in several events and presented talks in workshops, posters, and presented papers at eScience 2021.

Wed, Sep 29, 2021

Researchers across the US will support NSF Major Facilities in their data lifecycle management efforts through new NSF-funded center of excellence

CI Compass will enhance the overall NSF CI ecosystem by providing expertise where needed to enhance and evolve the MF CI, capturing and disseminating CI knowledge and best practices that power MF...

Mon, Jul 26, 2021

2021 SciTech and Friends Research Symposium

This SciTech and Friends Research Symposium aimed to provide a forum for students to publicize their work. The event was held virtually on May 12 and 13, 2021, and included 36 participants:...

Wed, Jun 30, 2021

Looking For An Internship as a High School Student? Read About Kelsie's Experience at USC ISI

This past summer, Lam, a high school student from Mission San Jose High School, sought out a summer internship that piqued her interest.

Fri, Apr 02, 2021

George Papadimitriou Wins PEARC '20 Award For Creating System For Facilitating Efficiency of Research

At the Practice & Experience in Advanced Research Computing (PEARC) conference, which took place from July 26-30, ISI graduate assistant George Papadimitriou won the Best Student Paper Award for his research on...

Tue, Dec 15, 2020

Seminar: Scheduling and Memory Management for Large-Scale Applications: From Caches to Burst Buffers

This talk explores scheduling problems in the context of large-scale applications from a memory perspective. We focus here on two very different levels of memory in the hierarchy: caches and burst buffers.With...

Sat, Feb 22, 2020

Recent Publications

Featured Recent Journal Publications


  1. Brown, D., Vahi, K., Taufer, M., Welch, V., & Deelman, E. (2021). Reproducing GW150914: the first observation of gravitational waves from a binary black hole merger. Computing in Science & Engineering. https://doi.org/10.1109/MCSE.2021.3059232 (Funding Acknowledgment: NSF 1664162, NSF 1823405)
  2. Papadimitriou, G., Wang, C., Vahi, K., Ferreira da Silva, R., Mandal, A., Zhengchun, L., Mayani, R., Rynge, M., Kiran, M., Lynch, V. E., Kettimuthu, R., Deelman, E., Vetter, J. S., & Foster, I. (2021). End-to-End Online Performance Data Capture and Analysis for Scientific Workflows. Future Generation Computer Systems, 117, 387–400. https://doi.org/10.1016/j.future.2020.11.024 (Funding Acknowledgments: DOE DE-SC0012636)
  3. Do, T. M. A., Pottier, L., Caíno-Lores, S., Ferreira da Silva, R., Cuendet, M. A., Weinstein, H., Estrada, T., Taufer, M., & Deelman, E. (2021). A Lightweight Method for Evaluating In Situ Workflow Efficiency. Journal of Computational Science, 48, 101259. https://doi.org/10.1016/j.jocs.2020.101259 (Funding Acknowledgments: NSF 1741040, DOE DE-SC0012636)
  4. Deelman, E., Ferreira da Silva, R., Vahi, K., Rynge, M., Mayani, R., Tanaka, R., Whitcup, W., & Livny, M. (2021). The Pegasus Workflow Management System: Translational Computer Science in Practice. Journal of Computational Science, 52, 101200. https://doi.org/10.1016/j.jocs.2020.101200 (Funding Acknowledgments: NSF 1664162)
  5. Casanova, H., Tanaka, R., Koch, W., & Ferreira da Silva, R. (2021). Teaching Parallel and Distributed Computing Concepts in Simulation with WRENCH. Journal of Parallel and Distributed Computing. https://doi.org/10.1016/j.jpdc.2021.05.009 (Funding Acknowledgments: NSF 1923539, NSF 1642335)

Research Projects

Featured Research Projects