Matthew Mitsui, Writing & Editing Developer in New Brunswick, NJ, United States
Matthew Mitsui

Writing & Editing Developer in New Brunswick, NJ, United States

Member since September 22, 2017
Matthew is a graduate student researcher in information retrieval and human information behavior. He uses search logs to mine insights about search behavior on retrieval interfaces. In his day-to-day work, he uses statistical models and machine learning to answer questions like, "What tasks drive people's search behavior?"
Matthew is now available for hire

Portfolio

Experience

Location

New Brunswick, NJ, United States

Availability

Part-time

Preferred Environment

GitHub, jQuery, PHP, Python, OS X

The most amazing...

...thing I've worked on was designing a system to capture passive web browsing behavior and later developing analysis code to publish findings on search behavior.

Employment

  • Postdoctoral Associate

    2018 - PRESENT
    Rutgers University
    • Developed behavioral models to map behaviors that create potential problems when searching.
    • Designed and taught a research methods course in statistics with R.
    • Presented talks and writing grants on emerging big data infrastructure, deep learning, bias in information retrieval, and explainable recommendation.
    • Managed parallel research projects of undergraduate and graduate students through administrative duties and mentorship.
    Technologies: Bootstrap, JavaScript, jQuery, PHP, Scikit-learn, MySQL, AWS, R, Python
  • Graduate Student Research Assistant

    2014 - 2018
    Rutgers University
    • Developed behavioral models to map search patterns to searcher intentions, using simple logistic regression to improve accuracy by 1.5-8x over na├»ve baseline.
    • Improved likelihood of user characteristic predictions using R to apply the MMHC and PC structure learning algorithms on heterogeneous data sets with partially missing data.
    • Applied structural equation modeling to jointly predict interactions between searcher characteristics, search tasks, and behaviors, improving in 6 of 7 goodness-of-fit metrics.
    • Designed and developed a user-friendly interface to prototype data collection tools, using Python, HTML, and JavaScript in a Model-View-Controller framework.
    • Developed a crowdsourcing study design to extract crowd annotations of search logs on Mechanical Turk.
    Technologies: Bootstrap, JavaScript, jQuery, PHP, Scikit-learn, Python
  • Teaching Assistant

    2012 - 2014
    Rutgers University
    • Engaged undergraduate students in Computer Science courses.
    • Served as a teaching assistant for an undergraduate course in algorithms for one year.
    • Served as a teaching assistant for an undergraduate course in C programming for one year.
    • Held regular office hours on weekly bases for each course.
    • Assisted in the grading and design of tests, periodic homework assignments, and group projects.
  • Graduate Research Fellow

    2011 - 2012
    Rutgers University
    • Attended regular multidisciplinary seminars intersecting computer science and psychology.
    • Was involved in multidisciplinary coursework intersecting the aforementioned fields.
    • Regularly engaged in research in computer graphics.
    • Engaged in coursework required by the computer science curriculum as required by my fellowship.
    • Participated in related reading groups.
  • Computer Science Intern

    2011 - 2011
    National Security Agency
    • Participated in a 12-week internship program for computer science.
    • Contributed to an NSA's mission through the project.
    • Completed a technical paper as part of the project.
    • Finished the project with a short presentation.
    • Worked in a collaborative group with a senior project on the project.

Skills

  • Other

    Writing & Editing, AWS, SFTP, SSH, Eye Tracking
  • Languages

    Python 3, Python 2, JavaScript, Python, PHP 5, R, PHP
  • Libraries/APIs

    Pandas, Scikit-learn, jQuery, TensorFlow
  • Tools

    PyCharm, PhpStorm, Asana, Sequel Pro, Evernote, GitHub, Terminal, Git
  • Platforms

    MacOS, OS X, Linux
  • Storage

    MySQL, SQLite
  • Frameworks

    Bootstrap, Laravel, Django
  • Paradigms

    REST

Education

  • Ph.D. degree in Computer Science
    2011 - 2018
    Rutgers University - New Brunswick, NJ, USA
  • Bachelor of Science degree in Computer Science
    2007 - 2011
    Rutgers University - New Brunswick, NJ, USA

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