If you need that DLT parses some of your constructs, ask the [mailto:dlt@mat.unical.it DLT team] or consider to use the ASITIS directive as explained in the [http://www.mat.unical.it/ianni/wiki/dlt/dltManual Manual]
DLV
- Full support of all the main language features: aggregates, weak constraints.
--- DLV-EX
- Support of external builtins.
--- DLV-HEX
- Support of external predicates and of the namespace directive.
--- DLV with ODBC extensions
- Not tested yet.
--- Smodels
- Supports normal programs with function symbols. Not completely tested yet.