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conj
,
possible values are but, and, or, comma, scolon, to, disc, nil
The
conj
feature is specified in the lexicon
for each conjunction and is passed up to the root node
of the conjunction tree. If the conjunction is and, the
root
agr num
is
plural
,
no
matter what the number of the two conjuncts. With or, the
the root
agr num
is equated to the
agr num
feature of the right conjunct.
The
conj
=disc feature is only used at the root
of the
CONJs tree. It blocks the adjunction of one
CONJs tree
on another. The following equations are used, where Sr is
the substitution node and Sc is the root node:
(565)0(565
- (566)
- Sr.t:
conj
= disc
(566)0(566
- (567)
- Sc.b:
conj
= and/or/but/nil
XTAG Project
1998-09-14