safreita@gatech.edu

Github

Linkedin

Curriculum Vitae (PDF)

Currently a Ph.D. student at Georgia Tech, studying machine learning in the department of Computational Science and Engineering advised by Polo Chau.

Research interests include machine learning and large scale graph mining, with application to cybersecurity, healthcare and finance.

Recent awards include NSF Graduate Research Fellowship and Outstanding Computer Science Masters student at ASU.

2019Had a great summer interning with the Advanced Threat Protection team @ Microsoft

2019Workship paper "extracting knowledge adversarial defense in deep learning" @ KDD '19 LEMINCS.

2018 — 2023Thrilled to be awarded the NSF Graduate Research Fellowship!

Local Partition in Rich Graphs

Identifying local partitions using network topology + attribute information

Big Data 2018

Project Demo PDF

X-Rank

Explainable ranking and visualization of complex multi-layered networks

CIKM 2018

Project Demo PDF

PathFinder

Rapid analysis and visualization of network connectivity

CIKM 2017

Project Demo PDF Video Code

Present —Aug. 2018Ph.D. in Machine Learning
Aug. 2018Georgia Institute of Technology, Atlanta, GA
Advisor: Duen Horng (Polo) Chau

May 2018Summer 2017M.S. in Computer Science
Summer 2017Arizona State University, Tempe, AZ
Advisor: Hanghang Tong, Thesis: "Mining Marked Nodes in Large Graphs"
Overall GPA: 4.00/4.00

May 2017 —Aug. 2015B.S. in Computer Science
Aug. 2015Arizona State University, Tempe, AZ
Overall GPA: 3.98/4.00

May 2014 —Aug. 2010B.S.E. in Electrical Engineering
Aug. 2010Arizona State University, Tempe, AZ
Overall GPA: 3.64/4.00

2019Raytheon Research Fellowship
Awarded for my PhD work in adversarial machine learning

2018 — 2023NSF Graduate Research Fellowship
National Science Foundation recognizes and supports outstanding graduate students in STEM fields

2018Outstanding Computer Science Masters Student (ASU)
Awarded to single master student demonstrating exemplary performance

2017Best Demo Award, Runner Up at CIKM '17
For "Rapid Analysis of Network Connectivity"

Summer 2019Microsoft, Seattle, WA
Research Intern, Windows Defender: Advanced Threat Protection
Mentor: Andrew Wicker, Joshua Neil
Developed graph based approach to quantifying and mitigating vulnerability to adversarial attacks on networks

Summer 2013Naval Air Warfare Center, Point Mugu, California
Research Intern, Naval Research Entperprise Internship Program (NREIP)
Mentor: Balaji Iyer
Explored methods of preventing electromagentic interference from coupling into superconducting receivers

Extracting Knowledge For Adversarial Detection and Defense in Deep Learning
Scott Freitas, Shang-Tse Chen, Duen Horng (Polo) Chau
KDD Workshop: Learning and Mining for Cybersecurity (LEMINCS). Anchorage, Alaska, 2019.
Project PDF BibTeX

			
@article{freitas2019extracting,
  title={Extracting Knowledge For Adversarial Detection and Defense in Deep Learning},
  journal={KDD LEMINCS Workshop},
  year={2019},
  publisher={ACM}
}
		

Local Partition in Rich Graphs
Scott Freitas, Nan Cao, Yinglong Xia, Duen Horng (Polo) Chau, Hanghang Tong
IEEE International Conference on Big Data (Big Data). Seattle, Washington, 2018.
Project Demo PDF BibTeX

			
@INPROCEEDINGS{freitas2018local,
  title={Local Partition in Rich Graphs}, 
  author={Freitas, Scott and Cao, Nan and Xia, Yinglong and Duen Horng, Chau and Tong, Hanghang}, 
  booktitle={IEEE International Conference on Big Data}, 
  year={2018}, 
  publisher={IEEE}
}
		

X-Rank: Explainable Ranking in Complex Multi-Layered Networks
Jian Kang*, Scott Freitas*, Haichao Yu, Yinglong Xia, Hanghang Tong
ACM International Conference on Information and Knowledge Management (CIKM). Turin, Italy, 2018.
Project Demo PDF BibTeX * Authors contributed equally

			
@inproceedings{kang2018xrank,
  author = {Kang, Jian and Freitas, Scott and Yu, Haichao and Xia, Yinglong and Cao, Nan and Tong, Hanghang},
  title = {X-Rank: Explainable Ranking in Complex Multi-Layered Networks},
  booktitle = {Proceedings of the 27th ACM International Conference on Information and Knowledge Management},
  year = {2018},
  location = {Torino, Italy},
  publisher = {ACM}
} 
		

Rapid Analysis of Network Connectivity
Scott Freitas, Hanghang Tong, Nan Cao, Yinglong Xia
ACM International Conference on Information and Knowledge Management (CIKM). Singapore, 2017.
Project Demo PDF Video Code BibTeX Best Paper, Runner up

			
@inproceedings{Freitas:2017:RAN:3132847.3133170,
  author = {Freitas, Scott and Tong, Hanghang and Cao, Nan and Xia, Yinglong},
  title = {Rapid Analysis of Network Connectivity},
  booktitle = {Proceedings of the 2017 ACM on Conference on Information and Knowledge Management},
  year = {2017},
  location = {Singapore, Singapore},
  publisher = {ACM},
}