Issue 322: Node expressions base definition (#340)

* #315: Added support for sh:eval to SHACL-SPARQL

* #315: Renamed formal eval function to evalExpr to distinguish from sh:eval

* #322: Simplified definition of Node Expression for Core

* Apply suggestions from code review

Closes #322
Closes #315

Co-authored-by: Ted Thibodeau Jr <[email protected]>

* Clarified syntax of sh:select and sh:eval blank nodes

* Renamed sh:eval to sh:sparqlExpr

* #322: Added clarification that shapes graph can be accessed

* Apply suggestions from code review

Co-authored-by: Ted Thibodeau Jr <[email protected]>

* Update shacl12-test-suite/tests/sparql/property/manifest.ttl

Thanks, good catch

Co-authored-by: Yousouf Taghzouti <[email protected]>

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Co-authored-by: Ted Thibodeau Jr <[email protected]>
Co-authored-by: Yousouf Taghzouti <[email protected]>

Author: 3 people