Issues with shapes and ontology

[chrdebru]

• [ ] No cardinality constraints for return maps
• [ ] Spec refers to property rml:InputValueMap [ ... ], but it should be rml:inputValueMap [ ... ]
• [ ] What happens with multi-valued expression maps used in parameter, return, function, and inputvalue maps?
• [ ] Default term type for input value maps is not specified. It is a subclass of Term maps with only special conditions for object maps. Is the default term type for an input value map rml:Literal?