它们是空节点。
N-Triples also has a convention for expressing anonymous nodes (also known as blank nodes).
N - Triples还有一个表示匿名节点(也称为空节点)的约定。
Blank nodes are in the form _ : name, where name is an identifier for that blank node within a given set of N-Triples.
空节点的形式是_：name，其中name是给定的n - Triples集内该空节点的标识。
Just because listings 4 and 5 both use the node id "blank1" does not mean the corresponding blank nodes have the same identity.
虽然清单4和清单5刚好都使用节点标识“blank1”，但这并不意味着其对应的空节点都拥有同一标识。
Note that the nodes representing people in each of the two FOAF graphs are blank nodes, and have scope only within the graph that contains them.
注意，表示每个FOAF图的那些人的节点是空节点，它们的作用范围有限，只在包含它们的图中有效。
For instance, anonymous resources (AKA blank nodes) may need to be transmitted as part of descriptions, and by definition they have no proper identifier.
例如，匿名资源(也就是空节点)可能需要作为描述的一部分被传输，根据定义，它们没有恰当的标识符。
The blank mediation flow option creates an empty flow with input nodes, as previous versions of Integration Developer did.
与以前的IntegrationDeveloper版本一样，空仲裁流选项创建一个具有输入节点的空流。
Tasks with blockers can now specify what their "blank" nodes are in case you don't want it to be ocean. Example coming soon.
有blockers的tasks现在能指定他们的“空”节点是什么，特别是不想让它在海里的时候。很快会有例子。
Tasks with blockers can now specify what their "blank" nodes are in case you don't want it to be ocean. Example coming soon.
有blockers的tasks现在能指定他们的“空”节点是什么，特别是不想让它在海里的时候。很快会有例子。
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