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Computer Science Research

Saint Louis University's Department of Computer Science  faculty is engaged in cutting-edge research, both to advance fundamental algorithms and computing technologies, and to apply those technologies in innovative ways that improve people's lives and advance knowledge and understanding of our world.

Research Clusters

Details of our research activities can be found below among the list of grants and publications, and on individual faculty member's web pages. Some common themes in the research programs involve:

  • Algorithms and Theory: Erin Chambers, Michael Goldwasser, David Letscher
  • Artificial Intelligence and Machine Learning: Ted Ahn, Hadi Akbarpour, Qinglei Cao, Nan Cen, Flavio Esposito, Jason Fritts, Jie Hou, David Letscher, Bahareh Rahmani. Abby Stylianou
  • Bioinformatics: Ted Ahn, Michael Goldwasser, Jie Hou, David Letscher
    Cyber-physical systems: Ankit Agrawal, Nan Cen, Flavio Esposito, Jason Fritts, David Ferry, Reza Tourani, Wei Wang
  • Computer Networks: Nan Cen, Flavio Esposito, Reza Tourani, Wei Wang
  • Computer Science Education: Erin Chambers, Michael Goldwasser, Kate Holdener, David Letscher
  • Computer Vision and Image Processing: Hadi Akbarpour, Jason Fritts, Bahareh Rahmani, Abby Stylianou
  • Computational Topology: Erin Chambers, David Letscher
  • Data Science: David Letscher, Bahareh Rahmani, Abby Stylianou
  • High-performance Computing: Ted Ahn, Qinglei Cao, David Ferry
  • Human-Computer Interaction: Ankit Agrawal
  • Open Source Software: Qinglei Cao, Kate Holdener
  • Robotics and Remote Sensing: Hadi Akbarpour, Abby Stylianou, Wei Wang
  • Security and Privacy: Flavio Esposito, Reza Tourani, Wei Wang
  • Software Engineering: Ankit Agrawal, Kate Holdener
Faculty Research Publications
  • Yajie Yan, David Letscher, and Tao Ju. “Voxel cores: efficient, robust, and provably good approximation of 3D medial axes”. In: ACM Trans. Graph. 37.4 (2018), 44:1–44:13. doi: 10.1145/3197517.3201396. url: .
  • Travis Mick, Reza Tourani, and Satyajayant Misra. “LASeR: Lightweight Authentication and Secured Routing for NDN IoT in Smart Cities”. In: IEEE Internet of Things Journal 5.2 (2018), pp. 755–764. doi: 10.1109/JIOT.2017.2725238. url: .
  • Jianyu Wang, Jianli Pan, Flavio Esposito, Prasad Calyam, Zhicheng Yang, and Prasant Mohapatra. “Edge Cloud Offloading Algorithms: Issues, Methods, and Perspectives”. In: CoRR abs/1806.06191 (2018). arXiv: 1806.06191. url: .
  • Gabriele Castellano, Flavio Esposito, and Fulvio Risso. “A Distributed Architecture for Edge Service Orchestration with Guarantees”. In: CoRR abs/1803.05499 (2018). arXiv: 1803.05499. url: .
  • Reza Tourani, Satyajayant Misra, Travis Mick, and Gaurav Panwar. “Security, Privacy, and Access Control in Information-Centric Networking: A Survey”. In: IEEE Communications Surveys and Tutorials 20.1 (2018), pp. 566–600. doi: 10.1109/COMST.2017.2749508. url: .
  • Erin W. Chambers, S?ndor P. Fekete, Hella-Franziska Hoffmann, Dimitri Marinakis, Joseph S. B. Mitchell, Srinivasan Venkatesh, Ulrike Stege, and Sue Whitesides. “Connecting a set of circles with minimum sum of radii”. In: Comput. Geom. 68 (2018), pp. 62–76. doi: 10.1016/j.comgeo.2017.06.002. url: .
  • Matthew J. McCoy, Alexander J. Paul, Matheus B. Victor, Michelle Richner, Harrison W. Gabel, Haijun Gong, Andrew S. Yoo, and Tae-Hyuk Ahn. “LONGO: an R package for interactive gene length dependent analysis for neuronal identity”. In: Bioinformatics 34.13 (2018), pp. i422–i428. doi:10.1093/bioinformatics/bty243. url: .
  • Hsien-Chih Chang, Jeff Erickson, David Letscher, Arnaud de Mesmay, Saul Schleimer, Eric Sedgwick, Dylan Thurston, and Stephan Tillmann. “Tightening Curves on Surfaces via Local Moves”. In: Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2018, New Orleans, LA, USA, January 7-10, 2018. 2018, pp. 121–135. doi: 10.1137/1.9781611975031.8. url: .
  • Erin Wolf Chambers, Arnaud de Mesmay, and Tim Ophelders. “On the complexity of optimal homotopies”. In: Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2018, New Orleans, LA, USA, January 7-10, 2018. 2018, pp. 1121–1134. doi: 10.1137/1.9781611975031.73. url: .
  • Heather E. Metcalf, Tanya L. Crenshaw, Erin Wolf Chambers, and Cinda Heeren. “Diversity Across a Decade: A Case Study on Undergraduate Computing Culture at the University of Illinois”. In: Proceedings of the 49th ACM Technical Symposium on Computer Science Education, SIGCSE 2018, Baltimore, MD, USA, February 21-24, 2018. 2018, pp. 610–615. doi: 10.1145/3159450.3159497. url: .

Student Research

Saint Louis University Department of Computer Science faculty have integrated students into their research programs in a variety of ways. Some of undergraduate students have participated in REUs (research experience for undergraduates), capstone projects and independent research that has resulted in scholarly publications with their faculty mentors.  

Graduate students have been hired as research assistants to work with faculty on research grants and have collaborated with faculty mentors as part of research courses. Many students have had opportunities to travel to conference and present their work.  Our faculty are always looking for students to work with them.

Publications Involving SLU Students
  • Matthew J. McCoy, Alexander J. Paul, Matheus B. Victor, Michelle Richner, Harrison W. Gabel, Haijun Gong, Andrew S. Yoo, and Tae-Hyuk Ahn. “LONGO: an R package for interactive gene length dependent analysis for neuronal identity”. In: Bioinformatics 34.13 (2018), pp. i422–i428. doi: 10.1093/bioinformatics/bty243. url: .
  • Andrew Crutcher, Caleb Koch, Kyle Coleman, Jon Patman, Flavio Esposito, and Prasad Calyam. “Hyperprofile-based Computation Offloading for Mobile Edge Networks”. In: CoRR abs/1707.09422 (2017). arXiv: 1707.09422. url: .
  • Mary Hogan and Flavio Esposito. “Stochastic delay forecasts for edge traffic engineering via Bayesian Networks”. In: 16th IEEE International Symposium on Network Computing and Applications, NCA 2017, Cambridge, MA, USA, October 30 - November 1, 2017. 2017, pp. 109–112. doi: 10.1109/NCA.2017.8171341. url: .
  • Mary Hogan and Flavio Esposito. “Poster: A Portfolio Theory Approach to Edge Traffic Engineering via Bayesian Networks”. In: Proceedings of the 23rd Annual International Conference on Mobile Computing and Networking, MobiCom 2017, Snowbird, UT, USA, October 16 - 20, 2017. 2017, pp. 555–557. doi: 10.1145/3117811.3131250. url: .
  • Andrew Crutcher, Caleb Koch, Kyle Coleman, Jon Patman, Flavio Esposito, and Prasad Calyam. “Hyperprofile-Based Computation Offloading for Mobile Edge Networks”. In: 14th IEEE International Conference on Mobile Ad Hoc and Sensor Systems, MASS 2017, Orlando, FL, USA, October 22-25, 2017. 2017, pp. 525–529. doi: 10.1109/MASS.2017.91. url: .
  • Alexander J. Paul, Dylan Lawrence, and Tae-Hyuk Ahn. “Overlap Graph Reduction for Genome Assembly using Apache Spark”. In: Proceedings of the 8th ACM International Conference on Bioinformatics, Computational Biology, and Health Informatics, BCB 2017, Boston, MA, USA, August 20-23, 2017. 2017, p. 613. doi: 10.1145/3107411.3108222. url: .
  • Yajie Yan, Kyle Sykes, Erin W. Chambers, David Letscher, and Tao Ju. “Erosion thickness on medial axes of 3D shapes”. In: ACM Trans. Graph. 35.4 (2016), 38:1–38:12. doi: 10.1145/2897824.2925938. url: .
  • David Letscher and Kyle Sykes. “On the Stability of Medial Axis of a Union of Balls in the Plane”. In: Proceedings of the 28th Canadian Conference on Computational Geometry, CCCG 2016, August 3-5, 2016, Simon Fraser University, Vancouver, British Columbia, Canada. 2016, pp. 29–33.
  • Erin W. Chambers, Kyle Sykes, and Cynthia Traub. “Unfolding Rectangle-Faced Orthostacks”. In: Proceedings of the 24th Canadian Conference on Computational Geometry, CCCG 2012, Charlottetown, Prince Edward Island, Canada, August 8-10, 2012. 2012, pp. 23–28. url: .
  • Brandon Dybala, Brian Jennings, and David Letscher. “Detecting filtered cloning in digital images”. In: Proceedings of the 9th workshop on Multimedia & Security, MM&Sec 2007, Dallas, Texas, USA, September 20-21, 2007. 2007, pp. 43–50. doi: 10.1145/1288869.1288877. url: