Steven Kester Yuwono

Steven Kester Yuwono

Singapore, Singapore
1K followers 500+ connections

About

Building AI products to combat fraud and keep android users safe.

With digital…

Experience

  • Google Graphic

    Google

    Singapore

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    Singapore

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    Singapore

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    Singapore

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    Redmond, Washington, United States

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    Singapore

Education

  • National University of Singapore Graphic

    National University of Singapore

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    Carried out research applying machine learning and big data analytics in healthcare domain. Project requires a model to predict patient's diagnosis using free-text emergency department (ED) doctor notes as input and other structured fields (e.g., lab results).

    Implemented using a novel neural network architecture (CR2) and the model's performance is promising, close to that of ED doctors. Our work has been patented.

    Thesis Title: Automated Diagnosis of Acute Appendicitis Based on…

    Carried out research applying machine learning and big data analytics in healthcare domain. Project requires a model to predict patient's diagnosis using free-text emergency department (ED) doctor notes as input and other structured fields (e.g., lab results).

    Implemented using a novel neural network architecture (CR2) and the model's performance is promising, close to that of ED doctors. Our work has been patented.

    Thesis Title: Automated Diagnosis of Acute Appendicitis Based on Clinical Notes

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    Activities and Societies: NUS Cuesports Club, NUS CAC Amplified (Rock Band)

    IEEE Singapore Computer Society Book Prize Award (2016)
    Distinction in Information Retrieval (2016)
    Distinction in Artificial Intelligence (2015)

    NUS Cuesports Club - IT Director (2013-2014)
    NUS CAC Amplified - Logistics Director (2014-2015)

    SembCorp Undergraduate Scholarship (2012-2016)

Projects

  • Sentiment Classifier

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    Neural network model to classify movie review as positive or negative.

    Python, PyTorch

    Github: https://github.com/yulonglong/SentimentClassifier

    See project
  • Chatbot Scorer

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    Developed machine learning models (traditional and neural network models) to score the quality of
    chatbot responses in conversational dialogue setting.

    Python, Scikit-Learn, Keras, Theano

    Github: https://github.com/yulonglong/ChatbotScorer

    See project
  • Stochastic HMM POS Tagger

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    Release Binary File : https://github.com/yulonglong/Stochastic-POS-Tagger/releases/download/v1.0/Stochastic-POS-Tagger.zip
    Repository : https://github.com/yulonglong/Stochastic-POS-Tagger

    Developed a Stochastic HMM (Hidden Markov Model, supervised learning) Part-of-speech Tagger in C++.
    Part-of-speech tagging is an important component in Natural Language Processing (NLP).

    Kneser-Ney smoothing and interpolation were implemented to handle zero count.
    It uses Penn Treebank…

    Release Binary File : https://github.com/yulonglong/Stochastic-POS-Tagger/releases/download/v1.0/Stochastic-POS-Tagger.zip
    Repository : https://github.com/yulonglong/Stochastic-POS-Tagger

    Developed a Stochastic HMM (Hidden Markov Model, supervised learning) Part-of-speech Tagger in C++.
    Part-of-speech tagging is an important component in Natural Language Processing (NLP).

    Kneser-Ney smoothing and interpolation were implemented to handle zero count.
    It uses Penn Treebank tag set and was implemented with Viterbi Algorithm to find the optimal sequence of the most probable tags.

    Please refer to the report in the repository for more details.
    (https://github.com/yulonglong/Stochastic-POS-Tagger/blob/master/documentation/POS%20Tagger%20Report.pdf?raw=true)

    See project

Honors & Awards

  • IEEE Singapore Computer Society Book Prize Award

    IEEE Singapore Computer Society

    Awarded to the best student in the Honours Year term project (Dissertation) who is enrolled in the Bachelor of Computing programme in the NUS School of Computing.

  • SembCorp Undergraduate Scholarship

    Sembawang Corporation

    Full Undergraduate Scholarship (2012-2016)

  • 14th National Olympiad in Informatics Singapore (Silver Medal)

    National University of Singapore

    Annual National Programming Contest in Singapore.

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