Projects Reading time ~17 minutes data-map (Node.js, MySQL, Redis, R): applied machine learning algorithms XGBoost, Random Forest, and Deep Learning (H2O) on preprocessed Yelp data, in order to help each Yelp’s business discovers the probability that clients would like to check-in on a certain day in week website address: https://data-map.herokuapp.com WiseCrowdRec (Spring MVC + Tomcat + Spark Streaming + Apach Storm + RabbitMQ + WebSockets) mining and learning streaming tweets 2nd version of WiseCrowdRec (Node.js + Spark Streaming + Socket.io) demo video (< 1 minute) website address: www.wisecrowdrec.com Digit Recognizer (Spark MLlib + Node.js) NYC Taxi Trip Data Visualization (Django, Python, Heroku): website address: https://taxi-info.herokuapp.com