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S dárkovým poukazem nešlápnete vedle. Obdarovaný si za dárkový poukaz může vybrat cokoliv z naší nabídky.
The book is divided into seven chapters. The main contents include big data and data analysis, big data storage, big data analysis tools, big data and information security, research on e-commerce recommendation algorithm based on bipartite graph network, research on social network friend recommendation algorithm based on location, and research on credit card fraud identification based on rare class.