Five Connectivity Index of the Countries along "the Belt and Road"（2015）doi:10.18170/DVN/LIX83DPeking University Open Research Data Platform2016-11-291Science Evaluation Research Group of Peking University, 2016, "Five Connectivity Index of the Countries along "the Belt and Road"（2015）", http://doi.org/10.18170/DVN/LIX83D, Peking University Open Research Data Platform, V1Five Connectivity Index of the Countries along "the Belt and Road"（2015）doi:10.18170/DVN/LIX83DScience Evaluation Research Group of Peking UniversityPeking University Open Research Data Platform2016-11-29Social SciencesxxxxxxxxxxxxxScience Evaluation Research Group of Peking UniversityScience Evaluation Research Group of Peking University2016-11-28CC0 Waiver