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Erschienen in:
2015 | OriginalPaper | Buchkapitel
The Application of Base State with Amendments Model in Land Survey Data Management
verfasst von : Yanbo Hu, Huarui Wu, Huaji Zhu
Erschienen in: Geo-Informatics in Resource Management and Sustainable Ecosystem
Verlag: Springer Berlin Heidelberg
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With the launch of the first and second national land surveys, it has obtained the massive historical data of land survey. However, the key condition is how to manage the mass land survey data effectively. In accordance with these problems that the current base state amendments model exists high data redundancy and low history backtracking, based on the analysis on the strengths and weaknesses of existing base state amending model, combining the characteristics of changing trivially in land survey data, this paper puts forward a new base state with amendments model which is suitable for land survey data management. The model changes the general base state as a snapshot storage mode, only stores the initial base state of the file, reducing the amount of data storage; It dynamically establishes base state and improves the retrieval efficiency. The application results show that the improved model can save, manage and backtrack land survey data with low redundancy and high efficiency.