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Agenda: Assume we are talking about an apple, and have the
information as in figure 4 to express. In short, the
facts on the agenda are: Owner, Variety, and Position.
Figure: An Example Information Base
Referential Context: Assume also that we have several red
apples, but only one on the table. The apple above has been mentioned,
but not for a while, with other apples mentioned since.
Stage 1: Building the Nucleus:
- Choose Referential form: Since the item is
not the Cb, we cannot use a pronoun. Since it doesn't have a
proper-name, proper-noun reference is also out. We are forced to use
a common noun-phrase.
- Choose Restrictive Modifiers: We have a set of potential
referential restrictors of: (Class Owner Color Variety Position
Taste). Of these, we can only refer using assimilated roles, so we
can use: (Class Color Position). We also have the agenda role-list
of: (Owner Variety Position). of which the assimilated items are:
(Position). Since the Class fact is assimilated, we automatically take the
class as the head of the referring NP, e.g., the apple. This is
not however unique, so we need to add more restrictions.
We use the first (and only) item in the assimilated agenda:
Position: the apple on the table. This happens now to be
unique, so we have a functional referring NP.
- Fill in Unused Slots: This leaves two facts unexpressed:
Owner and Variety. The Owner predicate can normally be expressed
in one of two slots of the nucleus:
- the Deictic slot e.g., John's
apple on the table; or,
- the Qualifier slot (after the Head noun, e.g., the
apple that John owns on the table. (I assume here that non-restrictive
relative clauses are always satelites, discussed below).
In both of these slots, the inclusion of unassimilated Owner
information seems to mess up the reference, seemingly because it
implies the reader should already know the ownership. We thus leave
the Owner role for expression in a satelite position (realised as a
non-restrictive relative clause, e.g., the apple on the table,
which john owns).
The variety fact can be realised best through the Classifier slot,
e.g., the Granny Smith apple on the table. This does not seem
to interfere with the referring function, so this fact-type would occur
on our list of facts which can appear in a pre-modifier slot without interfering with the referring function.
This stage thus ends with the referring slot consisting of: the
Granny Smith apple on the table. We have only one item left on the
agenda, the Owner fact.
Stage 2: Adding Satelites
The Owner fact can be incorporated into the NP as a satelite (as
a non-referring relative clause), e.g., the
Granny Smith apple on the table, which John owns.
Next: Conclusions
Up: Integrating Referring and Informing
Previous: Choosing Restrictive Modifiers
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