Journal of Shandong University(Engineering Science) ›› 2019, Vol. 49 ›› Issue (3): 15-21.doi: 10.6040/j.issn.1672-3961.0.2018.179

• Machine Learning & Data Mining • Previous Articles     Next Articles

Research and application of marine metadata based on life cycle model

Yan WANG(),Xiaojing SHEN   

  1. College of Information Technology, Shanghai Ocean University, Shanghai 201306, China
  • Received:2018-05-16 Online:2019-06-20 Published:2019-06-27
  • Supported by:
    上海海洋大学校博士启动基金资助项目(A2-0203-00-100385)

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Abstract:

This paper first analyzed the existing metadata standard and its application in the marine field, and then put forward a marine metadata standard framework. With the framwork a marine metadata management model based on the life cycle was proposed and applicated in the integrated management platform of ocean data.

Key words: marine metadata, life cycle, design constraints, standard framework

CLC Number: 

  • TP319

Fig.1

Relationship between the marine metadata framework and the lifecycle"

Fig.2

Constraints of marine metadata standard framework"

Fig.3

Hierarchy level of metadata standard design principle"

Fig.4

Marine information resource lifecycle and metadata"

Fig.5

Marine metadata models for lifecycle"

Fig.6

Marine descriptive metadata basic levels"

Fig.7

Relationships of marine biological data"

Fig.8

Diagrams of marine metadata package structure model"

Table 1

Marine metadata type table based on the lifecycle"

面向生命
周期的元
数据类型		 元数据子
类型		 海洋元数据名称
(中英文)		 定义 约束/条件 最大出现次数 数据类型
元元数据 UML模型 描述海洋元数据的工具 M N UML图
数据字典 描述海洋元数据的系统数据 M N 自由文本
描述元
数据		 公共集元
数据		 标识信息 唯一标志资源所需的基本信息 使用参照对象的约束条件 使用参照对象的最大出现次数 聚集类
内容信息 提供数据内容特征的描述信息 使用参照对象的约束条件 使用参照对象的最大出现次数 聚集类
分发信息 提供获取数据集所需的分发格式、分发者和分发方式的信息 使用参照对象的约束条件 使用参照对象的最大出现次数 聚集类
局部公共核心元数据 地理覆盖范围
信息		 数据及覆盖的地理区域 C N 聚集类
时间覆盖范围 数据集内容跨越的时间段 C N 聚集类
局部公共子核心元数据 水深覆盖范围
信息		 数据集的水深范围 C N 聚集类
管理元
数据		 数据关系管理 参照系信息 有关参照系的信息 使用参照对象的约束条件 使用参照对象的最大出现次数 类/字符串
数据验证管理 限制信息 元数据或数据集的限制信息,包括访问限制和使用限制等 使用参照对象的约束条件 使用参照对象的最大出现次数 类/字符串
数据维护管理 维护信息 元数据或数据集内容更新
信息		 使用参照对象的约束条件 使用参照对象的最大出现次数 类/字符串
数据质量管理 数据质量信息
 数据质量范围确定的数据质量信息 使用参照对象的约束条件 使用参照对象的最大出现次数 类/字符串
保存元
数据		 引用信息 标准的参考信息 使用参照对象的约束条件 使用参照对象的最大出现次数 字符串
负责单位信息 有关的负责者和单位的标识及联系方法 使用参照对象的约束条件 使用参照对象的最大出现次数 字符串
服务元
数据		 图形表达 数据集图解的文件名称和文件类型等 0 1 字符串
应用模式信息 有关用于建立数据集的应用模式信息 0 1 类/字符串
扩展信息 说明有关用户定义的扩展信息 使用参照对象的约束条件 使用参照对象的最大出现次数 类/字符串

Fig.9

Marine metadata of identification information in different stages of data system implementation"

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