NEPIC: a robust spatial clustering algorithm by network edge pruning and internal connection. - Gui, Zhipeng; Peng, Dehua; Liu, Yang; Liu, Yuhang; Chen, Huan; Wang, Yan; Mu, Qiaoyi; Wang, Runqian; Jing, Haotong; Hou, Shuyang; Wu, Huayi (International Journal of Digital Earth, 2026)