This article contains deï¬nitions of concepts and a bibliographical revision of the ï¬ rst part of the post-doctorate research work which aims at the production of software for the search for and qualitative validation of journalistic sources of information. The text touches on biological memory, decision-making and fundamental concepts for the choice of a journalistic source: nature of the source, credibility, prestige and currency. These aspects permeate and infl uence the choice (decision-making) of the professional who needs a source to carry out his work. They are classiï¬ ed, categorized, structured and interrelated, in order to serve as consolidated, reliable parameters for software to perform the task of selection of the best journalistic sources without the mistakes/problems pointed out by researchers in the area.
