Answer:
data mining
Step-by-step explanation:
Based on the information provided within the question it seems that this is an example of a data mining process. This term refers to the process of using machine learning, statistics, database systems, and customer input, in order to detect patterns that may arise in the large data sets. This is what is done with the information that is gathered as individuals make purchases online which then get placed in this system that finds similarities between various products purchased by people.