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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture covers the concepts of OLAP data models, focusing on multidimensional and relational approaches. It explains how numeric measures are related to dimensions, the storage options for multi-dimensional data, star schema design, snowflake schema as an alternative, and the importance of hierarchies in dimension tables.