时态数据的切片归档技术研究——以地理信息系统数据为例

Research on the Technology of Temporal Data Snapshot Archive——Taking Geographic Information System Data as an Example

部分具有保存价值的时态数据正面临丢失的风险,档案部门应及时采取措施。论文以地理信息系统数据为例,提出了切片归档时态数据的技术策略,分析了其核心内容——快照技术的原理、归档数据的特点及对不同类型数据的适用性,并讨论了在切片归档过程中需要注意的切片时间、归档时间和格式管理等问题。

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.