Database Reference
In-Depth Information
9.4.1 DBS
GRAPH ANALYSIS FOR
John said that Bill believes that Mary loves Tom.
(i) semantic relations graph (SRG)
(iii) numbered arcs graph (NAG)
say
0
say
1
12
3
2
John
believe
John
believe
4
11
6
5
Bill
love
Bill
love
9
10
7
8
Mary
Tom
Mary
Tom
(ii) signature
(iv) surface realization
V
1
2
3
4
5
6
7
8
9
10−11−12
.
John
said
that
Bill
believes
that
Mary
loves
Tom
N
V
N
V
NN
The iteration may be continued indefinitely, for example, by replacing the last
object sentence with
that Mary suspects that Suzy loves Tom
or
that Mary
suspects that Suzy knows that Lucy loves Tom
.
Next consider the corresponding unbounded dependency construction:
9.4.2 NAG
AND SURFACE REALIZATION OF
Whom did John say that Bill believes that Mary loves?
(iii) numbered arcs graph (NAG)
0
say
1
12
3
2
John
believe
4
11
6
5
Bill
love
9
10
7
8
Mary
WH
(iv) surface realization
3−6−9 10−11−12
1
2
3
4
5
6
7
8
11−12
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