cs460/626 : natural language processing/speech, nlp and the web some parse tree examples (from quiz...
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CS460/626 : Natural Language Processing/Speech, NLP and the Web
Some parse tree examples (from quiz 3)
Pushpak BhattacharyyaCSE Dept., IIT Bombay
12th Nov, 2012
S
NP
VP
NNP
VAUX
has
NP
NP
PP
NP
ART NP
the
NN
world
P
in
NP
NP
NN
NLP
ART
theADJP
JJ
largest
NN
group
NP
“Google has the largest NLPGroup in the world”
S-bar
NP
VP
NNP
VAUX
has
NP
PRON
it
S
NP
NP PP
NP
ART NP
theNN
world
P
in
NP
NP
NN
NLP
ART
theADJP
JJ
largestNN
group
NP
PUNC
,
“The largest NLP Group in the world, Google has it”
VP
VAUX
haai
S“google me vishva ke sabse badaaNLP samuuha haai”
PP
NP
NNP
P
me
NP
PP
NP
NN
vishva
P
ke
NP
NP
NN
NLP
ADJP
JJ
badaa
NN
samuuha
NPADVP
ADV
sabse
pp- postposition phrase
Notes• Once the canonical tree (1st slide) is
constructed, it is easy to construct the trees for sentences with movements (2nd slide)
• Once the tree is constructed for one language, it is easy to draw the tree for other languages with word mappings and structure movements
• Note specifically the phrase “sabse badaa”. It is non trivial