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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Foundation item: Projects (40025101 and 40171076) supported by the National Natural Science Foundation of China
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Zhou, Xg., Chen, J., Jiang, J. et al. Event-based incremental updating of spatio-temporal database. J Cent. South Univ. Technol. 11, 192–198 (2004). https://doi.org/10.1007/s11771-004-0040-3
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DOI: https://doi.org/10.1007/s11771-004-0040-3