Identification and Management of Distributed Data

Section II Managing XML Data

The Extensible Markup Language (XML) is a pillar of data management. Its use has skyrocketed in recent years. An enormous amount of information is stored in XML. Rather than being arranged into tables and columns, in XML data are contained on collections of hierarchical documents that can be stored in file systems or databases.

XML by itself is not enough for managing distributed data, which involves interacting with remote services and transmitting data on the wire. On the Internet and in next-generation networks (NGN) this is realized in a variety of ways. Some of them, such as Web Services, the XML Configuration Access Protocol, and the recent Open Data Protocol (OData) are standard protocols or part of ongoing ...