Spatial data and intelligence : 4th international conference SpatialDI 2023 Nanchang China April 13 15 2023 : proceedings This book constitutes the refereed proceedings of the 4th International Conference on Spatial Data and Intelligence SpatialDI 2023 held in Nanchang China in April 13 15 2023. The 18 full papers included in this book were carefully reviewed and selected from 68 submissions. They were organized in topical sections as follows: traffic management; visualization analysis; spatial big data analysis; spatiotemporal data mining; spatiotemporal data storage; and metaverse