In the Geomatics domain, a point cloud refers to a data set that records the coordinates and other attributes of a huge number of points. Conceptually, each of the attributes can be regarded as a dimension to represent a specific type of information, such as time and Level of Importance (LoI). Drastically increasing collection of high dimensional point clouds raises essential demand for smart and highly efficient data management solutions. However, effective tools are missing. File-based solu...