Research on the Technology of Temporal Data Snapshot Archive——Taking Geographic Information System Data as an Example
Ding Bao;College of Society of Soochow University;
Temporal data with some preservation value is facing the risk of being lost, and the archives department should take timely measures. This paper takes geographic information system data as an example, puts forward the technical strategy of snapshot archiving temporal data, analyzes its core content-the principle of snapshot technology, the characteristics of archived data and the applicability to different types of data, and discusses the issues such as snapshot time, archive time and format management in the process of snapshot archiving.
【CateGory Index】： G270.7