The national project aimed at analyzing the networks of scientific collaboration between researchers. In this regard, the local unit of Catania has the task of creating a dataset of all the researchers belonging to Area 13 and 14 and structuring a survey aimed at detecting informal collaboration networks. To this end, the research fellow must support the local unit (1) in the preliminary research phase; (2) in the creation of a dataset of formal collaborations between scholars also using web-scraping techniques; (3) structuring, validating and conducting a survey aimed at detecting informal collaboration networks; (4) in analyzing the results of the survey also through network analysis tools; (5) in the identification, through textual analysis techniques, of the most widespread research topics for each area considered, following their variations over time.