Databases Reference
In-Depth Information
Fig. 8.
Illustration of RDB to RDF conversion.
The following criteria can be extracted:
Automation Degree.
Degree of mapping creation automation.
Va l u e s :
Manual, Automatic, Semi-Automatic.
Domain or Database Semantics Driven.
Some approaches are tailored to model a do-
main, sometimes with the help of existing ontologies, while others attempt to extract
domain information primarily from the given database schema with few other resources
used (domain or database semantics-driven). The latter often results in a table-to-class,
column-to-predicate mapping.Some approaches also use a (semi) automatic approach
based on the database, but allow manual customization to model domain semantics.
Fig. 9.
Table comparing relevant approaches from [8]
