XML Query Requirements document, without solutions in concrete query languages. XML Query Algebra. These use cases represent a snapshot of an ongoing work. XML Query Requirements XML Query Requirements . The data model will be based on the W3C XML Infoset, and will include support for Namespaces.
Queries operate on single documents or fixed collections of documents.
They can select whole documents or subtrees of documents that match conditions defined on document content and structure, and can construct new documents based on what is selected. The following usage scenarios describe how XML queries may be used in various environments, and represent a wide range of activities and needs that are representative of the problem space to be addressed. They are intended to be used as design cases during the development of XML Query, and should be reviewed when critical decisions are made. Prepared by Robin Cover for permanent access in The XML Cover Pages archive. Other legal notices .