Research on Land Utilization Temporal Statistic Model Based on Event
基于事务的土地利用时态统计模型研究

This paper puts forth a new spatio-temporal data model about statistic and analysis based on event, by contrasting to shortage in some existing spatio-temporal data models. The idea above-mentioned is applied in LandEx through combining with the character of land utilization. The work is testifi ed efficiently in snapshot-statistic and area-change-statistic.