删除仅由主题和谓词标识的三元组

Deleting triples identified by subject and predicate only

我可以通过三个元素中的每一个来删除一个三元组:

DELETE DATA 
{ GRAPH <http://my.graph.com>
   {
      <http://my.domain.com/foo> <http://standard.com/catalog#title> "ABC" .
   }
};

如果我省略 "ABC"我会得到一个错误。如何删除仅通过前两个元素标识它们的三元组?

您要删除其中:

delete where { <http://some-subject> <http://some-predicate> ?anyObject }