It becomes possible to access a huge amount of diverse data throughthe Internet. It allows us to obtain new knowledge and create newservices, leading to an innovation called "Big Data" or "CollectiveIntelligence".In order to understand such data and use it as a tool, one needs tohave a good understanding of the technical background in statistics, machine learning, and computer network systems.In this class, you will learn about the overview of large-scale dataanalysis on the Internet, and basic skills to obtain new knowledgefrom massive information for the forthcoming information society.