Software Engineering Manager at Apple
DB Tsai is an Apache Spark PMC / Committer and an open source and big data engineer at Apple. He implemented several algorithms including linear models with Elastici-Net (L1/L2) regularization using LBFGS/OWL-QN optimizers in Apache Spark. Prior to joining Apple, DB worked on Personalized Recommendation ML Algorithms at Netflix. DB was a Ph.D. candidate in Applied Physics at Stanford University. He holds a Master's degree in Electrical Engineering from Stanford.
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Spark Data Source V2 Performance Improvement: Aggregate Push Down
Summit Theater Programming | Wednesday
DB Tsai has spoken at past Data + AI Summit events.
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