> The **Dimensionally Extended 9-Intersection Model** (**DE-9IM**) is a [[https://en.wikipedia.org/wiki/Topological | topological]][[https://en.wikipedia.org/wiki/Interpretation_(logic) | model]] and a [[https://en.wikipedia.org/wiki/Specification_(technical_standard) | standard]] used to describe the [[https://en.wikipedia.org/wiki/Spatial_relation | spatial relations]] of two regions