#19588The' grammar ' consists of a lexicon where each lexical item is associated with a finite number of structures for which that item is the head.
other,20-10-H89-1036,ak
the
<term>
lexical items
</term>
in the
<term>
input sentence
</term>
, and in the second stage the
<term>
#19702In the first stage, the parser selects a set of elementary structures associated with the lexical items in theinput sentence, and in the second stage the sentence is parsed with respect to this set.
tech,6-10-H89-1036,ak
discussed . In the first stage , the
<term>
parser
</term>
selects a set of
<term>
elementary
#19688In the first stage, theparser selects a set of elementary structures associated with the lexical items in the input sentence, and in the second stage the sentence is parsed with respect to this set.
lr,11-14-H89-1036,ak
parser
</term>
for
<term>
TAGs
</term>
,
<term>
lexicons
</term>
for
<term>
English
</term>
are under
#19773Along with the development of an Earley-type parser for TAGs,lexicons for English are under development.
other,12-1-H89-1036,ak
is systematically associated with a
<term>
lexical head
</term>
. These structures specify
<term>
extended
#19539In our approach, each elementary structure is systematically associated with alexical head.