地理信息 概念模式语言(Geographic information - Conceptual schema language)
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| 作者:不详 来源:不详 更新时间:2008-3-27 10:16:32 |
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| 编 号 | 19103 (15046-3) | | 名 称 | 地理信息 概念模式语言 Geographic information - Conceptual schema language | | 负责人 | Dr. Arne-J?rgen Berre | | 工作组 | 第1工作组 | | 进 展 | 工作阶段 计划完成时间 各阶段相关最新文件
技术规范(TS): 2003年5月 无
技术规范草案(DTS): 2002年12月 无 √ 技术规范建议草案(PDTS): 2001年7月 N 1082 √ 委员会草案(CD): 1999年7月 N 755 √ 工作草案(WD): 1996年1月 N 222 前面打“√”的为已完成阶段 | | 范 围 | Adoption of a conceptual schema language(CSL) for use in development of conceptual schemata in the field of geographic information. | | 目 的 | A single standardized conceptual schema language will promote the development of interoperable standards and will provide a foundation for the accelerated development of conceptual schemata and standards based on such schemata. Existing conceptual schema languages will be taken into account. Although such languages have been used in data modelling for years, the possibility exists that no single conceptual schema language will support all the requirements of geographic information. If a standard conceptual schema language cannot be adopted before schema development begins, some schema work may have to be redone. | | 其 它 | 立项时间:1995年8月 立项文件:N 060 N 098 |
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