Sones GraphDB Query Returning Error
问题 I am following their tutorial here: http://developers.sones.de/wiki/doku.php?id=quickreference:fiveminuteguide But when I copy and paste this command in webshell CREATE VERTICES ABSTRACT Entity ATTRIBUTES (String Name), University EXTENDS Entity ATTRIBUTES(SET<Student> Students), City EXTENDS Entity ATTRIBUTES(SET<University> Universities), Student EXTENDS Entity ATTRIBUTES(Integer Age) BACKWARDEDGES(University.Students StudiesAt) The output generates error: GraphDB@localhost [gql-mode] >