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Please answer the following questions separately:  1. How does data mining work?

Please answer the following questions separately: 
1. How does data mining work? Discuss the different phases in the data mining process. 
2. Describe the characteristics of predictive analytics.  What is the impact of Big Data (social media) in predictive analytics?
3. Discuss the possible data request scenarios in a distributed database environment.
4. What are the three basic principles for Understanding the Fundamentals of Big Data Integration?
5. What are: ETL, ELT, CEP?