Identifying Inefficient Urban Residential Land within Shenzhen City: An Approach Using Gaussian Mixture Model and Multi-Source Big Data - Liu, Y.; Liang, S.; Guo, R.; Wang, W.; Ma, D.; Zheng, Y.; Zhang, L.; Liu, Q.; Li, X. (Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., 2025)