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A spatio-temporal cadastral data model based on space-time composite model

机译:基于时空复合模型的时空地籍数据模型

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So far, many spatio-temporal data models have been proposed in GIS and database domain, but only a few of them can be actually implemented in Cadastral Information System. In order to maintain the cadastral spatio-temporal data and make them accessible to users, many efforts have been made by academic and user communities to develop cadastral spatiotemporal data model. In this paper, we propose a cadastral spatio-temporal data model by extending space-time composite model. In this model, we distinguish the current database and the history database to store and manage the current cadastral objects and the history cadastral objects. Separate storage and management of cadastral objects is effective in improving the efficiency of query. In addition, table structures are defined based on the object-relational database. Because of recording the event type and valid time of land change, this model can query land parcels' historic data and the reasons of land change. The model can also be implemented on object-relational database or extending static GIS database. In the end, a Spatio-temporal Cadastral Information System is developed for the implementation of the proposed data model on current GIS software environment. The experimental results show that the spatio-temporal data model is able to store, query and represent cadastral objects changes successfully.
机译:到目前为止,在GIS和数据库领域已经提出了许多时空数据模型,但是只有少数几个可以在地籍信息系统中实际实现。为了维护地籍时空数据并使用户可以访问,学术界和用户社区为开发地籍时空数据模型做出了许多努力。本文通过扩展时空复合模型,提出了一个地籍时空数据模型。在此模型中,我们区分当前数据库和历史数据库,以存储和管理当前地籍对象和历史地籍对象。单独存储和管理地籍对象可以有效提高查询效率。另外,表结构是基于对象关系数据库定义的。由于记录了事件类型和土地变更的有效时间,因此该模型可以查询地块的历史数据和土地变更的原因。该模型还可以在对象关系数据库或扩展的静态GIS数据库上实现。最后,开发了一个时空地籍信息系统,用于在当前的GIS软件环境中实施所提出的数据模型。实验结果表明,时空数据模型能够成功地存储,查询和表示地籍变化。

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