<node> encodes a node, a possibly labeled point in a graph.
Attributes:
label gives a label for a node.
Datatype: CDATA
Values: A character string.
Default: #IMPLIED
label2 gives a second label for a node.
Datatype: CDATA
Values: A character string.
Default: #IMPLIED
Note

Use this attribute together with the label attribute if a transducer is being encoded whose actions are associated with nodes rather than with arcs.

value provides the value of a node, which is a feature structure or other analytic element.
Datatype: IDREF
Values: A valid identifier.
Default: #IMPLIED
type provides a type for a node.
Datatype: CDATA
Legal values:
initial initial node in a transition network
final final node in a transition network
Default: #IMPLIED
adjTo gives the IDs of the nodes which are adjacent to the current node.
Datatype: IDREFS
Values: A list of IDs.
Default: #IMPLIED
adjFrom gives the IDs of the nodes which are adjacent from the current node.
Datatype: IDREFS
Values: A list of IDs.
Default: #IMPLIED
adj gives the IDs of the nodes which are both adjacent to and adjacent from the current node.
Datatype: IDREFS
Values: A list of IDs.
Default: #IMPLIED
Note

Use this attribute instead of the adjTo and adjFrom attributes when the graph is undirected and vice versa if the graph is directed.

inDegree gives the in degree of the node, the number of nodes which are adjacent from the given node.
Datatype: NUMBER
Values: A nonnegative integer.
Default: #IMPLIED
outDegree gives the out degree of the node, the number of nodes which are adjacent to the given node.
Datatype: NUMBER
Values: A nonnegative integer.
Default: #IMPLIED
degree gives the degree of the node, the number of arcs with which the node is incident.
Datatype: NUMBER
Values: A nonnegative integer.
Default: #IMPLIED
Note

Use this attribute instead of the inDegree and outDegree attributes when the graph is undirected and vice versa if the graph is directed.

Example 
<node id=t6 label='6' inDegree=2 outDegree=0 type='final'>
Tagsetadditional tag set for graphs, networks, and trees
Class
Filenameteinet2
Content: empty
Parentsgraph
Children[none]
Declaration
<!ELEMENT node          - O  EMPTY                              >
<!ATTLIST node               %a.global
          label              CDATA               #IMPLIED
          label2             CDATA               #IMPLIED
          value              IDREF               #IMPLIED
          type               CDATA               #IMPLIED
          adjTo              IDREFS              #IMPLIED
          adjFrom            IDREFS              #IMPLIED
          adj                IDREFS              #IMPLIED
          inDegree           NUMBER              #IMPLIED
          outDegree          NUMBER              #IMPLIED
          degree             NUMBER              #IMPLIED       >
See 21.1

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