Ruoyun Lin Data scientist lead at trivago, Germany

About

I am currently a data scientist at trivago, who are interested in data analysis and machine learning. My career goal is to be able to deliver pragmatic suggestions to business and help people to live a better life.

Publications

  • Lin, R., & Utz, S. (2017). Self-disclosure on SNS: Do disclosure intimacy and narrativity influence interpersonal closeness and social attraction? Computers in Human Behavior, 70, 426–436. https://doi.org/10.1016/j.chb.2017.01.012
  • Lin, R., & Utz, S. (2015). The emotional responses of browsing Facebook: Happiness, envy, and the role of tie strength. Computers in Human Behavior, 52, 29–38. https://doi.org/10.1016/j.chb.2015.04.064

For the complete list of my publications, see here.

Projects

Predicting value per click for bidding

This is my main work since I joined the bidding models team. In the past year, I have learned how to build a robust and reliable model for predicting value per click, including how to handle data spasity, how to iterate and deploy a model in production, how to monitor the performance of a model by dashboarding, and how to use offline evaluationa and AB testing for choosing the right model.

Predicting users booking intent

At trivago, my first project is to predict users booking intent. We asked users to report their booking intent when they landed on our webpage. More than 10200 users responded. The behavioral data of those users were extracted and merged with the attitudinal data for further analysis. Methods like logistic regression were used to find out the most important predictors of user intent. Various machine learning techniques (e.g., GradientBoosting) were also used to predict user intent.

Redefining tie strength

During my PhD, I worked for a ERC(European Research Council)-funded project called "Redefining Tie Strength". It explores how social media, such as Facebook or Twitter, can help us gain informational and emotional benefits. I mainly do research on the psychological effects of social media usage. Besides this, I am also interested in how social media usage can influence consumer behavior. You can also find more info about my dissertation here.

Bio

Jun 2022 - Data Scientist Lead @ trivago
August 2019 - Jun 2022 Data Scientist @ trivago
August 2018 - July 2019 User Analyst @ trivago
May 2018 - July 2018 User Research Intern @ trivago
January 2018 - February 2018 Intern @ Emudao Finance & Consultancy Co., Ltd.
January 2014 - December 2017 Junior Researcher @ Knowledge Media Research Center (Leibniz-Institut für Wissensmedien)
November 2015 - January 2016 Exchange Researcher @ Tilburg University

Education

2014 - 2018 University of Tübingen

PhD, Economics

2011 - 2013 Eindhoven University of Technology

Master of Science, Innovation Sciences

2007 - 2011 Zhejiang University

Bachelor in Engineering, Bio-engineering