Facebook (and systems biologists) take note: Network analysis reveals true connections

Two researchers have developed a universal method that can accurately analyze a range of complex networks -- including social networks, protein-protein interactions and air transportation networks. Their technique exploits the fact that all networks have groups in them and those groups are connected in many different ways. The researchers demonstrated the great potential of the method using five different networks, including predicting friendships in a social network and protein-protein interactions within a cell.

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