Centrality in social networks conceptual clarification

TL;DR: In this article, the authors employ the financial market network as a useful device to improve the portfolio selection process by targeting a group of assets according to their centrality, and propose a network-based investment strategy that outperforms well-known benchmarks while presenting positive and significant Carhart alphas.

TL;DR: A systematic review of articles on ecosystem services in mountains published up to 2016 using the Web of Science and Scopus databases shows that research has gradually become more interdisciplinary by studying higher number of NCP, dimensions of quality of life, and indirect drivers of change.

TL;DR: A method and model that detects structures of community in the social network of blogs by integrating McMillan and Chavis' sense of community along with network analysis is proposed, and communities can be automatically found and measured for other blogs without the need for behavioural surveys.

TL;DR: This research applied methods and tools of social network and semantic analysis to study user-generated content retrieved from online communities which interacted on the TripAdvisor travel forum to present a new methodology of analysis of tourism-related big data and a set of variables which could be integrated into traditional forecasting models.

TL;DR: It is shown that the optimum location of a switching center is always at a vertex of the communication network while the best location for the police station is not necessarily at an intersection.