Using the {is property of} syntactic sugar to express inverse relations in Turtle What? Virtuoso parser supports using {is property of} syntactic sugar to express inverse relations in Turtle.Why? Virtuoso's Turtle parser tries to handle as much N3 and NTriples syntactic sugar as possible, to maximize convenience for human Turtle writers. How? Example Assume the following statements about Alice are true: Alice has two children, Bob and Charlie. In 1999 Alice has written a book titled as "My Life". Alice lives near London. Alice's parents are Edna and Fred. View the relations described in Turtle Format. Upload the Turtle file to https://s3.amazonaws.com/webid-sandbox/Enhanced-Turtle-Example.ttl. Load the Turtle file into Virtuoso using any of the following methods and the file's URL: Example using SPARQL 1.1 LOAD feature; Example using Virtuoso Conductor; Example using Virtuoso Sponger; Example using Command-line Turtle Loader . Related Virtuoso Tips and Tricks Collection Virtuoso Documentation