This presentation provides an overview of big data analysis, including its history, challenges, techniques, characteristics, and business support. It explains what big data is and the challenges associated with storing, analyzing, and managing large amounts of data. It also discusses various techniques used in big data analysis, such as machine learning, data mining, and data fusion. Additionally, it covers the five characteristics of big data: volume, value, variety, velocity, and veracity. Finally, it explores how big data technology can support businesses and provides examples of its applications.