Review the article by Hemmatian (2019), on classification techniques

Review the article by Hemmatian (2019), on classification techniques. In essay format answer the following questions:

1. What were the results of the study?
2. Note what opinion mining is and how it’s used in information retrieval.
3. Discuss the various concepts and techniques of opinion mining and the importance to transforming an organizations NLP framework.

In an APA7 formatted essay answer all questions above.  There should be headings to each of the questions above as well.  Ensure there are at least two-peer reviewed sources to support your work. The paper should be at least two pages of content (this does not include the cover page or reference page).