This document discusses a technical talk given by Makoto Yui at Treasure Data on May 14, 2015. The talk introduces Hivemall, an open source machine learning library built on Apache Hive. Yui explains how Hivemall allows machine learning to be performed using SQL, making it easy for developers to use. The talk covers how to use Hivemall for tasks like data preparation, feature engineering, model training, and prediction. Real-time prediction using Hivemall models with a relational database is also discussed.