Graph Theory - Computational Linguistics and Talking Robots - page 174

9.2.5 I NTRAPROPOSITIONAL NOUN COORDINATION ( SUBJECT )

(i) semantic relations graph (SRG)

(iii) numbered arcs graph (NAG)

0

sleep

sleep

1

6

5

man woman child 4

man woman child

2 3

(ii) signature

V

(iv) surface realization

1 2 3 4−5−6

.

NNN

The_man the_woman and_the_child slept_

The NAG resembles that of an intrapropositional functor-argument, for exam-
ple, 7.4.1, in that it is symmetric (each line has two arcs) and during realization
each arc is traversed. More specifically, without arcs 4 and 5 in 9.2.5 it would
be impossible to realize the full stop and to end the traversal at the initial verb
node, as required by the linguistic constraint 1 in 9.1.6.
Next consider an extrapropositional functor-argument (7.5.1), here a subject
sentence:

9.2.6 E XTRAPROPOSITIONAL FUNCTOR - ARGUMENT

(i) semantic relations graph (SRG) (iii) numbered arcs graph (NAG)

amuse

0

amuse

1

6

5

4

bark Mary

bark Mary

2

3

Fido

Fido

(ii) signature

V

V N

(iv) surface realization

1 2 3 4 5 6

Mary .

N

That Fido barked amused

Again, the NAG resembles that of an intrapropositional functor-argument, e.g.,
7.4.1, in that it is symmetric and during realization each arc is traversed.