mzl9039

Project Geocoding @Shopee

2021.10 - Present

• As a Data Scientist, I'm in charge of the geocoding service and it's performance optimisation.
• Python LGB ES

Foursquare Location Matching @Kaggle Competition

2022.05 - 2022.07

• My first time competition in kaggle, and got 32th(top 3%) of more than 1k teams.
• NLP LGB ES Leaderboard

Project Trajectory Preprocessing @Hikvision

2019.01 - 2019.8

• Algorithms applied on several transport products. Map matching based on HMM(Hidden Markov Model) achieved 89% of CMP(Correct Matching Points).
• Java MM HMM A*