paper, we construct a network from mobile phone call records and use the cumulative number of calls as a measure of the … weight of a social tie. We extract skeletons from the weighted social network on the basis of the weights of ties, and we … study their properties. We find that strong ties can support the skeleton in the network by studying the percolation …

. The model takes into account the structure of the sexual network, the density of infected population in each individual … certain network properties, is then used to analyse and investigate the existence of epidemic and stability in the HIV …

We explain a possible mechanism of an information spreading on a network which spreads extremely far from a seed node …, namely the viral spreading. On the basis of a model of the information spreading in an online social network, in which the …

components exist to explain the causal mechanism in social network sites under the consideration of the social capital theory … network sites creates social capital and social capital enables social network sites to be beneficial for the member of … empirical construct to test the existence of social capital in social network sites. The objective of the paper is to describe …

, using two specications of spatial systems, we show that having a network including nearby hybrid rice adopters is more in … uential than having a network of more distant hybrid rice adopters, and that merely have a network with a large number of …

This paper investigates the relationship between a CEO’s social network, firm identity, and firm performance. There are … two competing theories that predict contradictory outcomes. Following social network theory, one would expect a positive … network affects firm performance negatively. Even so, growth companies are actively seeking CEOs with a large social network …

social network; identifying influential players that facilitate information dissemination emerges as a pivotal step for their … success. In this paper, we tackle this problem using a stylized model that features payoff externalities and local network … effects, and the network designer is allowed to release information to only a subset of players (leaders); these targeted …

very large extent on the partnerships. The existence in Romania of a network of active public and private organizations in … network that will evolve in time and within which various changes from different directions will occur, especially as concerns …