Motivation Temporal graph: a continuous sequence of snapshots(each snapshot records the status of a graph at a specific timestamp) Dense temporal subgraph: a subgraph having heavy edge weights over a continuous time period Space M Space Mi Museu COLUMB Columbia K San-D Westfield Horton plaza Westfield Horton Plaza FTS Manchester Grand Live traffic, Faster Manchester Grand Live traffic Fastmmnn Hyatt San Diego a dense temporal subgraphs corresponds to a crowded area spanning over a continuous time periodMotivation 3 A dense temporal subgraphs corresponds to a crowded area spanning over a continuous time period. Temporal graph: a continuous sequence of snapshots (each snapshot records the status of a graph at a specific timestamp) Dense temporal subgraph: a subgraph having heavy edge weights over a continuous time period … … …