Usage scenarios

human-readable documents

to retrieve individual documents, to provide dynamic indexes, to perform context-sensitive searching, and to generate new documents.

data-oriented documents

to query (virtual) XML representations of databases, to transform data into new XML representations, and to integrate data from multiple heterogeneous data sources.

mixed-model documents

to perform queries on documents with embedded data, such as catalogs, patient health records, employment records, or business analysis documents.