Assessing spatiotemporal bikeability using multi-source geospatial big data: A case study of Xiamen, China. - Shaoqing Dai; Wufan Zhao; Yanwen Wang 004; Xiao Huang 003; Zhidong Chen; Jinghan Lei; Alfred Stein; Peng Jia (Int. J. Appl. Earth Obs. Geoinformation, 2023)