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 L03 FS: Annotating trees with feature-structures


       Parse Tree and Feature Structures

o A feature structure can be associated with each
  node, to show features with the node.
  + In the tree below, feature structures are shown
    associated with leaf nodes.

            NP
         /      \
       /          \
     /              \
  det                noun
   |                   |
  the                house
   .                   .
   .                   .
[CAT   det ]      [ CAT       n ]
[SPEC  def ]      [ NUMBER   sg ]
                  [ PERSON   3  ]
                  [ ROOT  house ]

o In the above example, feature structures for 
  'the' and 'house' come from morph/dict.
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