A structured representation of a set of concepts and the relationships between them. Examples include relational database schemas, XML schemas, and OWL ontologies.
The basic unit of a schema. Examples include relational database fields, XML elements, and OWL elements.
Source / Target
A source (schema) contains elements that are being "mapped-from" while a target (schema) contains those elements that are being "mapped-to".
A relationship from an element in a source schema to an element in a target schema.
The set of all links between elements in a given schema-pair.
A tree-like representation of a schema.
A named set of schemas, and zero or more mappings between them, which provides the context/scope for a specific integration effort.