About Me

Yoshitomo Matsubara

Ph.D. candidate
Department of Computer Science
Donald Bren School of Information & Computer Sciences
University of California, Irvine
Latest News

October 1, 2020
Our papper was accepted to EMNLP 2020 NLP COVID-19 Workshop.
September 28, 2020
This quarter, I am working as a graduate student researcher and for Amazon.com Services, Inc. as an applied scientist intern.
August 16, 2020
Our papper was accepted to GLOBECOM 2020.
August 2, 2020
Our papper was accepted to ICPR 2020.
July 28, 2020
Our papper was accepted to MobiCom 2020 Workshop on Embedded and Mobile Deep Learning.
July 27, 2020
Our papper was accepted to JCDL 2020 Workshop on Mining Scientific Publications.
July 1, 2020
I am volunterring for the first fully virtual ICML 2020.
June 22, 2020
This quarter, I am working for Amazon.com Services, Inc. as an applied scientist intern.
May 22, 2020
Our invention of Flick Authentication is registered as JP Patent No. 6707271.
April 24, 2020
My work with Thuy Vu and Alessandro Moschitti at Amazon.com Service, Inc. was accepted as a short paper for SIGIR 2020.
April 8, 2020
I am volunterring for the first fully virtual ICLR 2020.
March 25, 2020
This quarter, I am working as a graduate student researcher.
March 6, 2020
We, UCI Table Tennis Club Varsity team, are invited to the 2020 iSET College Table Tennis National Championships.
February 29, 2020
We, UCI Table Tennis Club Varsity team, placed 4th in NCTTA West Regional Championships.
February 1, 2020
We, UCI Table Tennis Club Varsity team, won the Socal East Division.
January 2, 2020
This quarter, I am working as a graduate student researcher.
October 21, 2019
I presented our work at MobiCom 2019 Workshop on Hot Topics in Video Analytics and Intelligent Edges.
September 23, 2019
This quarter, I am working as a graduate student researcher.
September 23, 2019
In 2019-2020 season, I serve as a vice president of UCI Table Tennis Club.
September 23, 2019
Our papper was accepted to MobiCom 2019 Workshop on Hot Topics in Video Analytics and Intelligent Edges.
September 17, 2019
I was invited to talk at Robot Learning Group in Osaka University, Japan.
June 24, 2019
This quarter, I am working for Amazon.com Services, Inc. as an applied scientist intern.
June 13, 2019
I passed my Ph.D. qualifying exam, and successfully advanced to candidacy.
June 5, 2019
Our team, Zotbot, was selected as a finalist (10 of 375 teams) for the Alexa Prize Socialbot Grand Challenge 3.
May 23, 2019
We, UCI Table Tennis Club Varsity team, was featured on UCI News "UCI table tennis team competes for first time in national championships, takes fourth place".
April 14, 2019
We, UCI Table Tennis Club Varsity team, placed 4th in iSET College Table Tennis National Championships.
March 27, 2019
This quarter, I am assisting CS 273P: "Machine Learning & Data Mining".
March 27, 2019
We, UCI Table Tennis Club Varsity team, are featured on NCTTA, "College Teams Embrace First Trip to Table Tennis National Championships".
March 9, 2019
We, UCI Table Tennis Club Varsity team, won the NCTTA West Regional Championships, and advanced to the 2019 iSET College Table Tennis National Championships.
February 9, 2019
We, UCI Table Tennis Club Varsity team, won the Socal East Division.
January 7, 2019
This quarter, I am assisting CS 272: "Statistical NLP".
November 17, 2018
We, UCI Table Tennis Club varsity team, won the Socal East & West Division.
September 24, 2018
This quarter, I am assisting CS 273A: "Machine Learning".
June 25, 2018
This quarter, I am working for Slice Technologies, Inc. as a machine learning engineeering intern.
April 3, 2018
This quarter, I am assisting BANA 290: "Advanced Data Analytics for Natural Language Processing".
January 3, 2018
This quarter, I am assisting CS 273A: "Machine Learning".
September 28, 2017
This quarter, I am assisting ICS 32A: "Python Programming with Libraries (Accelerated)".
July 20, 2017
I was invited to speak on "Seminar of Study Abroad for Pursuing a Degree" at Global Terrace, National Institute of Technology, Akashi College.
June 26, 2017
I started to work for Data & Science Solutions Group, Yahoo Japan Corporation as a data scientist (contract employee).
April 3, 2017
This quarter, I am assisting CS 122B: "Projects in Databases and Web Applications".
January 9, 2017
This quarter, I am assisting ICS 45C: "Programming in C/C++ as a Second Language".
September 22, 2016
This quarter, I am assisting ICS 45J: "Programming in Java as a Second Language".
September 19, 2016
Our paper on flick authentication was accepted to ICMLA 2016.
September 19, 2016
I enrolled in Donald Bren School of Information & Computer Sciences (Computer Science Ph.D. program) at the University of California, Irvine.
June 9, 2016
I was invited to speak on "Study Abroad to Pursue a Graduate Degree from "Zero" -Introduction and Preparation-" at Global Terrace, National Institute of Technology, Akashi College.
April 1, 2016
I joined the Information Science Research Center for Social Applications in the Graduate School of Applied Informatics at the University of Hyogo as a project researcher.
March 22, 2016
I graduated from Graduate School of Applied Informatics (High Confidence Informatics Course ) at the University of Hyogo and obtained a Master's degree in Applied Informatics.
January 25, 2016
I started to work for Data & Science Solutions Group, Yahoo Japan Corporation as a data scientist (contract employee).
November 30, 2015
I worked for Yahoo Japan Corporation as a special intern (data science).
November 12, 2015
I did a poster presentation at The Fifth Symposium on Biometrics, Recognition and Authentication(SBRA2015).
October 25, 2015
Our technical report was published in IEICE Technical Report.
July 14, 2015
Our paper on keystroke dynamics was published in Journal of Information Security.
June 12, 2015
I obtained the Grant Scholarship for Japanese Students from JGC-S Scholarship Foundation.
April 16, 2015
Our paper on keystroke dynamics was published in Journal of Information Security.
February 27, 2015
I worked for Recruit Holdings Co., Ltd. as a outsourced worker.
September 19, 2014
I took part in Recruit Holdings Summer Internship 2014 Web Innovation Course Data Analysis Internship, and won the victory in the team competition.
April 4, 2014
I enrolled in Graduate School of Applied Informatics (High Confidence Informatics Course ) at the University of Hyogo.
March 20, 2014
I graduated from Advanced Course of Mechanical and Electronic System Engineering, Akashi National College of Technology and obtained a Bachelor's degree in Engineering.
March 20, 2014
I received President's Award in INCT's Student Commendation from the Institute of National Colleges of Technology, Japan.
March 1, 2014
I opened my home page.

Projects
NLP COVID-19
2020 - Present
Knowledge Distillation for Split Computing
2018 - Present
Alexa Prize SGD3
2019 - 2020
Mining Scientific Papers
2016 - 2018
Flick Authentication
2014 - 2016
Safe Driving Support
2013 - 2014
TESOL
2013 - 2014
Keystroke Dynamics
2010 - 2014

Papers

  • Peer-reviewed Conference/Workshop/Symposium Papers
    • T. Hossain*, R. L. Logan IV*, A. Ugarte*, Y. Matsubara*, S. Young and S. Singh, "COVIDLies: Detecting COVID-19 Misinformation on Social Media", EMNLP 2020 NLP-COVID19 Workshop, (2020)
      [PDF] [OpenReview] [Demo]
    • D. Callegaro, Y. Matsubara and M. Levorato, "Optimal Task Allocation for Time-Varying Edge Computing Systems with Split DNNs", Proceedings of the 2020 IEEE Global Communications Conference (GLOBECOM '20), (2020)
    • W. Schallock, D. Agress*, Y. Du*, D. Dua*, L. Hu*, Y. Matsubara* and S. Singh, "ZOTBOT: Using Reading Comprehension and Commonsense Reasoning in Conversational Agents", 3rd Proceedings of Alexa Prize (Alexa Prize 2019), (2020)
      [PDF]
    • Y. Matsubara and M. Levorato, "Neural Compression and Filtering for Edge-assisted Real-time Object Detection in Challenged Networks", Proceedings of the 25th International Conference on Pattern Recognition (ICPR '20), (2021)
      [Preprint] [Code]
    • Y. Matsubara and M. Levorato, "Split Computing for Complex Object Detectors: Challenges and Preliminary Results", Proceedings of the 4th International Workshop on Embedded and Mobile Deep Learning (EMDL '20), pp. 7-12 (2020)
      [PDF] [Preprint] [Code]
    • Y. Matsubara and S. Singh, "Citations Beyond Self Citations: Identifying Authors, Affiliations, and Nationalities in Scientific Papers", Proceedings of the 8th Workshop on Mining Scientific Publications (WOSP '20), pp. 9-20 (2020)
      [PDF] [Code]
    • Y. Matsubara, T. Vu and A. Moschitti, "Reranking for Efficient Transformer-based Answer Selection", Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval, pp. 1577-1580 (2020)
      [PDF] [Video]
    • Y. Matsubara, S. Baidya, D. Callegaro, M. Levorato and S. Singh, "Distilled Split Deep Neural Networks for Edge-Assisted Real-Time Systems", Proceedings of the 2019 Workshop on Hot Topics in Video Analytics and Intelligent Edges (HotEdgeVideo '19), pp. 21-26 (2019)
      [PDF]
    • Y. Matsubara, H. Nishimura, T. Samura, H. Yoshimoto and R. Tanimoto, "Screen Unlocking by Spontaneous Flick Reactions with One-class Classification Approaches", Proceedings of the 15th IEEE International Conference on Machine Learning and Applications (ICMLA2016), pp. 752-757 (2016)
      [PDF]
    • T. Samura, Y. Matsubara and H. Nishimura, "Performance Assessment in Keystroke Dynamics by Combined Profile Documents for Free Text Typing", Proceedings of the SICE Annual Conference 2013 (SICE2013), pp.265-270 (2013)
      [PDF]
    • Y. Matsubara, T. Samura and H. Nishimura, "Robustness of Keystroke Dynamics against Changing in Input and Recognition Conditions for Japanese Atypical Text", Proceedings of 2012 International Symposium on Technology for Sustainability, pp.103-106 (2012)
  • Journal Articles
    • Y. Matsubara, T. Samura and H. Nishimura, "Keyboard Dependency of Personal Identification Performance by Keystroke Dynamics in Free Text Typing", Journal of Information Security, Vol. 6, No. 3, pp.229-240 (2015)
      [PDF]
    • Y. Matsubara, T. Samura and H. Nishimura, "Profile Generation Methods for Reinforcing Robustness of Keystroke Authentication in Free Text Typing", Journal of Information Security, Vol. 6, No. 2, pp.131-141 (2015)
      [PDF]
  • Conference/Symposium Papers
    • Y. Matsubara, H. Nishimura, T. Samura, H. Yoshimoto and R. Tanimoto, "Implementation of Authentication Technique Focused on Flick Response on Touch-screen Display" (in Japanese), Proceedings of The Fifth Symposium on Biometrics, Recognition and Authentication, S-2-12, pp.38-39 (2015)
    • Y. Matsubara and T. Samura, “Robustness and Profile Generating Methods on Keystroke Authentication for Japanese Free Text Typing” (in Japanese), Bulletin of Advanced Course of Akashi National College of Technology, No. 17, pp.73-78 (2014)
    • S. Maeda, Y. Matsubara, M. Izumi, T. Samura and H. Nishimura, "プロファイル連結手法を用いたスマートフォンによるフリック入力バイオメトリクス” (in Japanese), "Flick-Input Biometrics on Smartphone Using Profile Combining Method" (unofficial translation), Proceedings of the 18th Student Convention of Kansai-section of IEICE, p.67 (2014)
    • Y. Matsubara, T. Samura and H. Nishimura, "Influence of Generation of Profile Documents on Keystroke Authentication in Japanese Free Text Typing" (in Japanese), Proceedings of The Third Symposium on Biometrics, Recognition and Authentication, A7-5, pp.91-96 (2013)
    • Y. Matsubara, T. Samura and H. Nishimura, "プロファイル文書の連結を用いた日本語非定型文キーストローク生体認証" (in Japanese) (Invited Presentation), "Keystroke Dynamics for Japanese Free Text Using Combining Profile Documents' (unofficial translation), Proceedings of 2013 Kansai-section Joint Convention of Institutes of Electrical Engineering, pp.481-482 (2013)
    • Y. Matsubara, T. Samura and H. Nishimura, "New Profile Generating Methods on Keystroke Dynamics for Japanese Free Text Typing" (in Japanese), Proceedings of Forum on Information Technology 2013, No.4, L-022, pp.259-266 (2013)
    • Y. Matsubara, T. Samura and H. Nishimura, "Personal Identification by Combined Profile Documents on Keystroke Dynamics in Japanese Free Text Typing" (in Japanese), Proceedings of Biometrics Workshop, BioX2013-P13, pp.26-27 (2013)
    • Y. Matsubara, T. Samura and H. Nishimura, "Analysis of Combined Profile Documents in Keystroke Dynamics for Free Text Typing" (in Japanese), Proceedings of ISCIE SCI"13, 226-1 (2013)
    • Y. Matsubara, T. Samura and H. Nishimura, "Profile Documents Robustness in Keystroke Authentication for Japanese Free Text typing" (in Japanese), Proceedings of IEICE General Conference 2013, p.211 (2013)
    • Y. Matsubara, T. Samura and H. Nishimura, "非定型文キーストローク認証におけるプロファイル生成条件の影響" (in Japanese), "Influence of Producing Profile Documents in Keystroke Dynamics for Japanese Free Text" (unofficial translation), Proceedings of the 17th Student Convention of Kansai-section of IEICE, p.77 (2013)
    • Y. Matsubara, R. Yagi, T. Samura and H. Nishimura, "非定型文キーストローク生体認証へのプロファイル生成における頑健性" (in Japanese), "Robustness of Keystroke Dynamics against Producing Profile Documents for Japanese Free Text" (unofficial translation), Proceedings of 2012 Kansai-section Joint Convention of Institutes of Electrical Engineering, pp.109-110 (2012) (Encouraging Award)
    • T. Samura, Y. Matsubara and H. Nishimura, "Robustness Evaluation of Keystroke Authentication System" (in Japanese), Proceedings of Symposium on Systems and Information 2012, 1D1-1, pp.118-123 (2012)
    • Y. Matsubara, T. Samura and H. Nishimura, "Influence of Change in Input and Recognition Conditions on Keystroke Dynamics for Japanese Atypical text" (in Japanese), Proceedings of Forum on Information Technology 2012, No.4, L-005, pp.103-106 (2012)
    • Y. Matsubara, T. Samura and H. Nishimura, "Influence of Input and Recognition Conditions on Keystroke Dynamics for Japanese Free Text" (in Japanese), Proceedings of IEICE General Conference 2012, p.169 (2012)
    • Y. Matsubara, T. Kaji and T. Samura, "非定型文入力におけるキーストロークダイナミクスの頑健性" (in Japanese), "Robustness of Keystroke Dynamics for Japanese Free Text" (unofficial translation), 2011 Kosen Convention Record IEEJ, pp.3-4 (2012) (Award for Academic Excellence)
    • Y. Matsubara, T. Samura and H. Nishimura, "キーボードの変更に対する非定型文入力キーストロークダイナミクスの頑健性" (in Japanese), "Robustness of Keystroke Dynamics against Changing Keyboards for Japanese Free Text" (unofficial translation), Proceedings of the 16th Student Convention of Kansai-section of IEICE, p.86 (2011)
  • Technical Reports
    • Y. Matsubara, H. Nishimura, T. Samura, H. Yoshimoto and R. Tanimoto, "A New Biometrics Technique with Flick Operation on Electronic Device" (in Japanese), IEICE Technical Report, Vol. 115, No. 266, IEICE-BioX2015-39, pp.91-96 (2015)
  • Thesis
    • Y. Matsubara, "Development of a New Authentication Technique Focused on Flick Response on Touch-screen Displays", Master Thesis at Graduate School of Applied Informatics, University of Hyogo (2016)
    • Y. Matsubara, "Robustness and Profile Generation Methods on Keystroke Authentication for Japanese Free Text Typing", Bachelor Thesis at Advanced Course of Akashi National College of Technology (2014)
      (Y. Matsubara, "same title" (short ver.), Bulletin of Advanced Course of Akashi National College of Technology, No. 17, pp.73-78 (2014))