**2.4 Fourth phase (inspection, observation, and content extraction)**

Inspection, observation, and extraction of the content of each of the articles relevant to the systematic review of the literature.

Each of the selected contents will also be organized in a matrix according to the degree of concordance.

Very concordant = The content of the article must be related to the subject of interest artificial intelligence, expert systems, objectives, and description of uses.

Relatively concordant = The content of the article must be partially related to the subject of interest artificial intelligence, expert systems, objectives, and description of uses.

Not concordant = The content of the article is not related to the subject of Artificial intelligence, expert systems, objectives, and description of uses.
