University of Southampton
Complex networks arise everywhere. Online social networks are famous complex networks examples due to revolutionizing the way people interact on the web, and permitting in practice the study of interdisciplinary theories that arise from human activities, at both micro (i.e. individual) and macro (i.e. community) level. The vast scale (Big - data) of online human interactions imposes certain challenges, such as scalable indexing and efficient retrieval of social data, which are by their nature intertwined in multiple dimensions.