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Highlights • The large-scale transnational HSR construction evaluation problem in the B&R region is studied. • An index of comprehensive cooperation between China and other countries is proposed. • A method for calculating the weighted travel time of all road sections in the B&R region is proposed. • A method for predicting the comprehensive cooperation index of different countries is proposed. • Two indexes are proposed to depict the importance of port cities and road sections in the B&R region. Abstract This study deals with the large-scale transnational high-speed railway construction evaluation problem, which is a major issue in implementing the Belt and Road (B&R) initiative. We proposed a method for the selection of the most urgent need for transnational high-speed railway construction in the B&R region, which was tested on massive experimental data. The results show that 18 sections in the B&R region have priority conditions to build high-speed railways in current situations, which to a great extent coincide with those road sections covered by high-speed railway projects under construction or to be put into construction in the B&R region. [ABSTRACT FROM AUTHOR]

This paper proposed an Apriori frequent itemset mining based on bittable and inverted index (A-FIMBII). A-FIM-BII built the index from the collection of items to the transaction, and used priori nature to reduce the generation of candidate sets, calculating the support counts of two items through the bit operations. It compared to Apriori, ECLAT in four datasets. The experiment results show that A-FIMBII has a higher efficiency. [ABSTRACT FROM AUTHOR]