Abstract. Our purpose with this paper may be clearly established: to show many essential aspects of such active topic of research. For this objective, previously we may analyze here some relevant features strongly supported on Graph Theory. https://www.edusoft.ro/brain/index.php/brain/article/view/161
Big data mining can lead to previously undiscovered links between genes, diseases, symptoms, drugs, etc. However, this mathematical correlation needs medical confirmation and that implies additional efforts of time, human and financial resources that are not always possible. Internet reviews, posts, hashtags can establish an informal corroboration tool, easily available.
Internet reviews can be seen as an efficient communication form, adapted to the digital world of today. However, researchers are, for the most part, oriented towards English based ones. The Romanian language reviews exhibit specific grammar rules and challenges that need customized methods to be dealt with. In their paper,