Helen Xiaoqin Yi is a Data Scientist from Best Buy Search Product Team. Her focus area is to help search engine to “understand” visitors’ intents through Natural Language Processing and Computer Vision approaches, while considering industrial reality, limitation and requirements, and design an automatic model evolution ecosystem to deal with the major challenges of deep learning, such as training data size limitation, sample bias, speed vs accuracy, or user behavior migration, etc. She received a Master’s degree of Science on Business Analytics from Drexel University in Philadelphia. Prior to joining Best Buy, Helen worked for NAPCO Media, 3M, startups and University. Her personal interests include Raspberry Pi, Jetson Nano, and other low-power microcontroller projects. She volunteered as an instructor for girls with interests in STEM.