Use this link for the essay: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1006.8262&rep=rep1&type=pdf
The article must be written by a professional in the field of which the article is about, with a degree and credentials in that field.

Answer the following:

1. Who is the article by? Who is the article for?
2. What is the motivation for this article: a growing problem, recently aroused issue, new finding, etc
3. What is discussed in this article?
4. Does the article give a solution? A conclusion? Explain