Graphs have become an essential tool in the manipulation of data in countless different domains for their ease of interpretation and the many properties they are able to store about a given system, ranging from the representation of the connections that the users of a social network have built in time to the interaction between cells in a living organism or atoms in the matter that makes up our universe. However, many of the applications of graphs concern real-time evolving communities which undergo countless transformations, among which only some are of interest due to the strong impact they have on its structure.