标准摘要
[中文适用范围]： 本国际标准定义了描述地理信息时间特征的概念。 它取决于用于交换时间信息的现有信息技术标准。 它为定义时间特征属性、特征操作和特征关联以及定义有关地理信息的元数据的时间方面提供了基础。 由于该国际标准关注从现实世界中提取的地理信息的时间特征，因此它强调有效时间而不是交易时间。 [外文原描述]： ISO 19108:2002 defines concepts for describing temporal characteristics of geographic information. It depends upon existing information technology standards for the interchange of temporal information. It provides a basis for defining temporal feature attributes, feature operations, and feature associations, and for defining the temporal aspects of metadata about geographic information. Since this International Standard is concerned with the temporal characteristics of geographic information as they are abstracted from the real world, it emphasizes valid time rather than transaction time.
英文名称Geographic information — Temporal schema