Propagation History Ranking in Social Networks:A Causality-Based Approach Parallel-Data-Based Social Evolution Modeling Location-and Relation-Based Clustering on Privacy-Preserving Social Networks Efficient Algorithms for Maximizing Group Influence in Social Networks Empirical analysis of carbon tariff‘s EffEct on thE Export structurE of china‘s manufacturing industry and social wElfarE basEd on thE gtap modEl A Novel Routing Method for Social Delay-Tolerant Networks Visual Information Based Social Force Model for Crowd Evacuation Optimization-Based Fragmental Transmission Method for Video Data in Opportunistic Networks IoT-Based Cost Saving Offloading System for Cellular Networks Picture Quality Assessment-Based on Rate Control for Variable Bandwidth Networks