However, GIS technology still fails to meet the demand for spatial decision support fully, because it is incapable of eliciting meaningful information from volumetric multidimensional geospatial data.

• 然而，传统的资料库管理系统与地理资讯系统，已不能充分满足在空间决策支援上的需要，空间资料探勘的技术已越来越受重视。