Lessons Learned from my Failure in Building a Recommender System

For the past few weeks, I tried to build a board game recommmender as my side project; However, I failed to beat the baseline model. Due to time limits, I had to abort this project and move on to other stuff. Netherlevess, I feel that my failure may help those who are new to recommendation system, and that is the purpose of this blog post. I will explain some techniques I (mis)used, and problems that might cause the undesirable performance.

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My AI journey in 2018

My motivation of writing this very first blog at the last day of 2018 came from a casual conversation between me and my boyfriend. He said he would look back what he achieved for the last 12 months and felt proud, which reminded me of a Chinese meme

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