Converting a natural language query sentence into a formal database query is a major challenge. We have constructed NaLIX, a natural language interface for querying XML data. Throu...
: It is difficult to access and share design data among heterogeneous CAD systems. Usually different CAD systems exchange design data using a neutral format such as IGES or STEP. A...
The semantics of a new language (CUDL – Conceptual Universal Database Language), designed to manage dynamic database environments, are presented. This language conforms to the FD...
Nikitas Karanikolas, Maria Nitsiou, Emmanuel J. Ya...
Schema mappings are logical assertions that specify the relationships between a source and a target schema in a declarative way. The specification of such mappings is a fundamenta...
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...