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!!!Stanford Parser
https://nlp.stanford.edu/software/lex-parser.shtml

*Probabilistic Natural Language Parser
**PCFG (Probabilistic Context Free Grammar) 確率的文脈自由文法

*オンライン・デモ
http://nlp.stanford.edu:8080/parser/


*参考文献
https://nlp.stanford.edu/software/lex-parser.shtml#Citing


!!Stanford Dependencies
https://nlp.stanford.edu/software/stanford-dependencies.html

*Universal Dependencies v1
http://universaldependencies.org/docsv1/

*Universal Dependencies v2
https://universaldependencies.org/

*Neural-network dependency parser
https://nlp.stanford.edu/software/nndep.html

!SD for English
https://nlp.stanford.edu/software/stanford-dependencies.html#English
*マニュアル
https://nlp.stanford.edu/software/dependencies_manual.pdf
!Typed Dependencies
*約５０の文法関係
**governor (head) と dependent の二項関係
*品詞はPenn Treebank
{{pre
acomp: adjectival complement
advcl: adverbial clause modifier
advmod: adverb modifier
agent: agent
amod: adjectival modifier
appos: appositional modifier
aux: auxiliary
auxpass: passive auxiliary
cc: coordination
ccomp: clausal complement
conj: conjunct
cop: copula
csubj: clausal subject
csubjpass: clausal passive subject
dep: dependent
det: determiner
discourse: discourse element
dobj: direct object
expl: expletive
goeswith: goes with（本来はつなげるところ間違って２語にしたもの with out）
iobj: indirect object
mark: marker
mwe: multi-word expression（一語扱いがふさわしい連語 as well as）
neg: negation modifier
nn: noun compound modifier
npadvmod: noun phrase as adverbial modifier
nsubj: nominal subject
nsubjpass: passive nominal subject
num: numeric modifier
number: element of compound number
parataxis: parataxis
pcomp: prepositional complement
pobj: object of a preposition
poss: possession modifier
possessive: possessive modifier
preconj: preconjunct
predet: predeterminer
prep: prepositional modifier
prepc: prepositional clausal modifier
prt: phrasal verb particle
punct: punctuation
quantmod: quantifier phrase modifier
rcmod: relative clause modifier
ref : referent
root: root
tmod: temporal modifier
vmod: reduced non-finite verbal modifier
xcomp: open clausal complement
xsubj: controlling subject
}}
!Dependency Representation
*依存関係出力の際の表示形式のいろいろ
+Basic
+Collapsed
+with conjunction dependencies
+preserving a tree structure
!!使い方
*プログラム言語はJAVA
*文法データファイル含めて300MB弱