© 2017 Dental Press Journal of Orthodontics Dental Press J Orthod. 2017 Sept-Oct;22(5):9-10 9 The word congress (from the Latin congressus) means a meeting of people with the purpose of discussing a topic of interest to all. Every October in odd-numbered years, the Brazilian Association of Orthodontics and Facial Orthopedics (ABOR) holds its Congress. Its purpose is to bring together researcher...

Our study pursues two goals: to present a new method for the analysis of weighted bimodal networks and to show that world congresses lead to fewer international contacts among the contributors than is generally assumed. The study shows that this tendency to endogamy can be observed in the contributors of international congresses. For this purpose two world congresses in the field of sociology a...