How could unstructured data be converted into structured data?

How to Proceed:

In large data, unstructured data is particularly prevalent. To achieve accurate data analysis, the unstructured data should be converted into structured data. By quickly contrasting the two, you might begin by responding to the question. 

Once finished, you can now talk about the techniques you employ to change one form into another. You could also describe the circumstance in which you actually did it. You can post information about your academic projects if you recently graduated.