With the rapid development of information and technology, metadata for land and resource information has become more and more important. 摘要國土資源信息元數據隨著信息技術的飛速發展顯得越來越重要。
Multi-demension geographical information classification and codes, five-level geographical information metadata and hypergraph-based spatio-temporal data mining are put forward. 提出了多維地理信息分類和編碼方法，五層地理信息元數據內容體系以及超圖時空數據挖掘，旨在研究較高層次的網路地理信息組織和提取理論和方法。
