RDQL surprises and issues
- Jena RDQL Test suite tests beyond the RDQL note EBNF
- There are 4 pre-defined prefixes and namespaces
- xsd:integer and xsd:double in RDF typed literals
- UTF-8, \uHHHH in prefixes, local names (TODO)
- Are blank nodes allowed in queries?
- Multiple sources
- Constraint expressions still too rich
- Not using xsd:boolean, xsd:string
select *vs noselect