Kevin Tsai

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Publications

  • Testing Image Understanding through Question-Answering

    In recent years, neural networks have produced some very exciting results in diverse computer vision tasks, such as image recognition, image captioning, artistic style transfer, auto-coloring, segmentation and image generation. In this paper we ask a fundamental question: ”How well do these networks really understand images?” We explore this question through through two approaches: first through the task of Visual Question Answering (VQA), where a model is trained on images and associated…

    In recent years, neural networks have produced some very exciting results in diverse computer vision tasks, such as image recognition, image captioning, artistic style transfer, auto-coloring, segmentation and image generation. In this paper we ask a fundamental question: ”How well do these networks really understand images?” We explore this question through through two approaches: first through the task of Visual Question Answering (VQA), where a model is trained on images and associated question answer pairs in natural language. Next, we measure effectiveness of transfer-learning to image recognition. We use a model pretrained on image-recognition task and retrain its weights during VQA training and then test it again on image recognition task.

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  • Peer Lending Risk Predictor

    Abstract - Warren Buffett famously stated two rules for investing: Rule #1. Never lose money, and Rule #2. Never forget Rule #1. Recent Peer Lending opportunities provide the individual investor the opportunity to earn an interest rate significantly higher than that of a savings account. However, a default on the loan by the borrower means the investor will lose her entire principal. In this paper, we will use Machine Learning algorithms to classify and optimize peer lending risk. We will also…

    Abstract - Warren Buffett famously stated two rules for investing: Rule #1. Never lose money, and Rule #2. Never forget Rule #1. Recent Peer Lending opportunities provide the individual investor the opportunity to earn an interest rate significantly higher than that of a savings account. However, a default on the loan by the borrower means the investor will lose her entire principal. In this paper, we will use Machine Learning algorithms to classify and optimize peer lending risk. We will also demonstrate how our classifier can identify special gems. These are outlier loans with unusually high interest rates, at up to 18%, doubling the rates offered by peer lending sites classification for the in the same risk category.

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Patents

  • DATABASE MANAGEMENT SYSTEM RISK ASSESSMENT

    Issued US US Patent 8,676,746

    A method of evaluating an implementation of a DBMS is provided. The method comprises collecting data associated with the implementation of the DBMS and accessing a database comprising problems and their associated solutions, wherein the solutions are configured to remedy at least one of the problems. The method further comprises comparing the data associated with the implementation of the DBMS with the problems and identifying at least one problem associated with the DBMS. Finally, a DBMS risk…

    A method of evaluating an implementation of a DBMS is provided. The method comprises collecting data associated with the implementation of the DBMS and accessing a database comprising problems and their associated solutions, wherein the solutions are configured to remedy at least one of the problems. The method further comprises comparing the data associated with the implementation of the DBMS with the problems and identifying at least one problem associated with the DBMS. Finally, a DBMS risk assessment report is generated that identifies the problem associated with the DBMS and a solution configured to remedy the problem.

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