Project: Labeling Study 1. Developed 90% of the Android App by Java by implementing an android research tool - Minuku - for data collection. 2. Led a team of 4 in the Lab to interview 9 people and integrated their opinions through the affinity diagram. 3. Improved the performance of the transportation mode generated by a finite state machine based on the data of Google Activity Recognition by 40%. 4. Analyzed 80% of the quantitative data by Python and R.

Project: Daily Mobility Study at Ohio State University -- Columbus Developed the Android App by Java by implementing an android research tool - Minuku - for data collection.

Course: Introduction of Computer Science Instructed students on C and Python in the lab course.

Project: Minuku2 (Data collecting app) 1. Integrated, cleaned, and developed 50% of an android research tool - Minuku2 - by Java. 2. Led a team of 4 in the Mobile and Ubiquitous Interaction lab to develop the data collecting functions such as accessibility service and transportation mode.

Project: Electronic Contact Book in Longshan Elementary School 1. Collected and integrated 60% of users' opinions by building an affinity diagram. 2. Designed the Lo-fi user interface based on the result of the affinity diagram. 3. Interviewed 40% of users to evaluate the usability of the Lo-fi interface.

1. Tested android games. 2. Reported bugs for developers.

Project: Opinion Mining for Hot News Events 1. Developed crawling functions through Comment API of Facebook and RSS of the news network by Java. 2. Built 60% of web development by PHP and HTML.