Metacat: a schema-independent XML database system

Chad Berkley, Matthew B. Jones, Jivka Bojilova, Dan Higgins
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引用次数: 55

Abstract

The ecological sciences represent a challenging community from the perspective of scientific data management. Ecological data are collected by investigators who are spread out over a large geographic area and who use a wide variety of research protocols and data-handling techniques. The resulting heterogeneous data are stored in autonomous database systems that are dispersed throughout the ecological community. The Knowledge Network for Biocomplexity is seeking to address these issues through the use of structured metadata encoded in the Extensible Markup Language (XML). The main goal of this project has been to design and implement a schema-independent data storage system for XML which is called Metacat. Metacat uses a hybrid XML storage approach using a commercial relational DBMS back-end while still allowing any arbitrary XML document to be stored. This paper describes the Metacat XML data storage system and its relevance to scientific data management in the ecological sciences.
Metacat:独立于模式的XML数据库系统
从科学数据管理的角度来看,生态科学是一个具有挑战性的领域。生态数据是由分布在大地理区域的调查人员收集的,他们使用各种各样的研究方案和数据处理技术。由此产生的异构数据存储在分散在整个生态群落的自治数据库系统中。生物复杂性知识网络正在寻求通过使用可扩展标记语言(XML)编码的结构化元数据来解决这些问题。这个项目的主要目标是设计和实现一个独立于模式的XML数据存储系统,称为Metacat。Metacat使用混合XML存储方法,使用商业关系DBMS后端,同时仍然允许存储任意XML文档。本文介绍了Metacat XML数据存储系统及其在生态科学科学数据管理中的应用。
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