| Event-based incremental updating of spatio-temporal database |
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| 引用本文： | 周晓光,陈军,蒋捷,朱建军,李志林. Event-based incremental updating of spatio-temporal database[J]. 中南工业大学学报(英文版), 2004, 11(2): 192-198. DOI: 10.1007/s11771-004-0040-3 |
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| 作者姓名： | 周晓光 陈军 蒋捷 朱建军 李志林 |
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| 作者单位： | [1]CollegeofInfo-PhysicsandGeomaticsEngineering,CentralSouthUniversity,Changsha410083,China [2]NationalGeomaticsCenterofChina,Beijing10004,China [3]DepartmentofLandSurveyingandGeo-Informatics,HongKongPolytechnicUniversity,HongKong999077,China |
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| 摘 要： | Based on the relationship among the geographic events, spatial changes and the database operations, a new automatic (semi-automatic) incremental updating approach of spatio-temporal database (STDB) named as event-based incremental updating (E-BIU) is proposed in this paper. At first, the relationship among the events,spatial changes and the database operations is analyzed, then a total architecture of E-BIU implementation is de-signed, which includes an event queue, three managers and two sets of rules, each component is presented in detail.The process of the E-BIU of master STDB is described successively. An example of buildings incremental updating is given to illustrate this approach at the end. The result shows that E-BIU is an efficient automatic updating ap-proach for master STDB.
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| 关 键 词： | 增量更新 地理事件 空间变换 数据库 地理信息系统 |
| 收稿时间： | 2003-04-11 |
| 修稿时间： | 2003-07-14 |
Event-based incremental updating of spatio-temporal database |
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| Zhou Xiao-guang , Chen Jun , Jiang Jie , Zhu Jian-jun and Li Zhi-lin. Event-based incremental updating of spatio-temporal database[J]. Journal of Central South University of Technology, 2004, 11(2): 192-198. DOI: 10.1007/s11771-004-0040-3 |
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| Authors: | Zhou Xiao-guang Chen Jun Jiang Jie Zhu Jian-jun Li Zhi-lin |
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| Affiliation: | (1) College of Info-Physics and Geomatics Engineering, Central South University, 410083 Changsha, China;(2) National Geomatics Center of China, 10004 Beijing, China;(3) Department of Land Surveying and Geo-Informatics, Hong Kong Polytechnic University, 999077 Hong Kong, China |
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| Abstract: | Based on the relationship among the geographic events, spatial changes and the database operations, a new automatic (semi-automatic) incremental updating approach of spatio-temporal database (STDB) named as event-based incremental updating (E-BIU) is proposed in this paper. At first, the relationship among the events, spatial changes and the database operations is analyzed, then a total architecture of E-BIU implementation is designed, which includes an event queue, three managers and two sets of rules, each component is presented in detail. The process of the E-BIU of master STDB is described successively. An example of building's incremental updating is given to illustrate this approach at the end. The result shows that E-BIU is an efficient automatic updating approach for master STDB. |
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| Keywords: | incremental updating geographic event spatial change database operation manager |
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