This RDF low-level module has been created after two year
experimenting with a plain Prolog based module and a brief evaluation of
a second generation pure Prolog implementation. The aim was to be able
to handle upto about 5 million triples on standard (notebook) hardware
and deal efficiently with
subPropertyOf which was
identified as a crucial feature of RDFS to realise fusion of different
The following issues are identified and not solved in suitable manner.
- is not supported.
- Similar to
subPropertyOf, it is likely to be profitable to handle resource identity efficient. The current system has no support for it.