A new research paper has been published in Applied Geography on global morphologic categorization of living environments of the urban poor. This is an empirical baseline study of physical building types and structural patterns of cities. A building models for living places of the urban poor (such as slums, etc.) was developed using spatial characteristics allowing to characterize settlement structures. read the full article here (open access): https://www.sciencedirect.com/science/article/pii/S0143622817309955