Scripts to convert Rhetorical Structure Theory trees from .rs3 format to a dependency representation and back.
This conversion follows Li et al.'s (2013) convention of taking the left-most child of multinuclear relations as the head child governed by the relation applied to the whole multinuc, and attaching each subsequent multinuclear child to the first child using the multinuclear relation; thus if a contrast multinuc with units [2-3] is an elaboration on unit [1], the child [2] will become an elaboration dependent of [1], and [3] will become a contrast dependent of child [2].
By convention, multinuclear relations are converted with relation names ending in _m, while satellite RST relations are converted with names ending in _r. The original nesting depth is ignored in the conversion, but attachment point height for each dependent is retained in the third column of the output file, allowing deterministic reconstruction of the constituent tree using dep2rst, assuming a projective, hierarchically ordered tree. Conversion of non-projective .rs3 constituent trees to dependencies is also supported, but cannot be reversed currently.
Optionally, users can also specify an additional folder containing subfolders dep/ and xml/ with .conllu parses and GUM style XML to add features to the output file.
usage: rst2dep.py [-h] [-r ROOT] infiles
positional arguments:
infiles file name or glob pattern, e.g. *.rs3
optional arguments:
-h, --help show this help message and exit
-r ROOT, --root ROOT optional: path to corpus root folder containing a
directory dep/ and a directory xml/ containing
additional corpus formats
Discourse dependency to RST constituent conversion. The converter assumes target trees are projective and hierarchically ordered. The default strategy for determining constituent nesting order is to look for explicit attachment height encoding as created by rst2dep, otherwise competing nodes are attached as siblings. Alternatively, users can specify -d rtl or -d ltr to always attach right children below left children, or vice versa.
usage: dep2rst.py [-h] [-f {rsd,conllu}] [-d {ltr,rtl,dist}] [-r] file
Script to convert discourse dependencies to Rhetorical Structure Theory trees
in the .rs3 format. Example usage: python dep2rst.py INFILE
positional arguments:
file discourse dependency file in .rsd or .conllu format
optional arguments:
-h, --help show this help message and exit
-f {rsd,conllu}, --format {rsd,conllu}
input format
-d {ltr,rtl,dist}, --depth {ltr,rtl,dist}
how to order depth
-r, --rels use DEFAULT_RELATIONS for the .rs3 header instead of
rels in input data
Supported input formats include .rsd and .conllu:
1 Greek court rules 0 _ _ _ 2 attribution_r _ _
2 worship of ancient Greek deities is legal 5 _ _ _ 5 preparation_r _ _
3 Monday , March 27 , 2006 4 _ _ _ 5 circumstance_r _ _
4 Greek court has ruled 0 _ _ _ 5 attribution_r _ _
5 that worshippers of the ancient Greek religion may now formally associate and worship at archeological sites . 0 _ _ _ 0 ROOT _ _
6 Prior to the ruling , the religion was banned from conducting public worship at archeological sites by the Greek Ministry of Culture . 1 _ _ _ 5 background_r _ _
7 Due to that , the religion was relatively secretive . 0 _ _ _ 6 result_r _ _
8 The Greek Orthodox Church , a Christian denomination , is extremely critical of worshippers of the ancient deities . 1 _ _ _ 6 background_r _ _
9 Today , about 100,000 Greeks worship the ancient gods , such as Zeus , Hera , Poseidon , Aphrodite , and Athena . 2 _ _ _ 5 background_r _ _
10 The Greek Orthodox Church estimates 0 _ _ _ 11 attribution_r _ _
11 that number is closer to 40,000 . 0 _ _ _ 9 concession_r _ _
12 Many neo - pagan religions , such as Wicca , use aspects of ancient Greek religions in their practice ; 3 _ _ _ 5 background_r _ _
13 Hellenic polytheism instead focuses exclusively on the ancient religions , 0 _ _ _ 12 contrast_m _ _
14 as far as the fragmentary nature of the surviving source material allows . 0 _ _ _ 13 concession_r _ _
# text = Greek court rules worship of ancient Greek deities is legal
1 Greek Greek ADJ JJ Degree=Pos 2 amod _ Discourse=attribution:1->2:0
2 court court NOUN NN Number=Sing 3 nsubj _ _
3 rules rule VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _
4 worship worship NOUN NN Number=Sing 10 nsubj _ Discourse=preparation:2->5:5
5 of of ADP IN _ 8 case _ _
6 ancient ancient ADJ JJ Degree=Pos 8 amod _ _
7 Greek Greek ADJ JJ Degree=Pos 8 amod _ _
8 deities deity NOUN NNS Number=Plur 4 nmod _ _
9 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 cop _ _
10 legal legal ADJ JJ Degree=Pos 3 ccomp _ _
# text = Monday, March 27, 2006
1 Monday Monday PROPN NNP Number=Sing 0 root _ Discourse=circumstance:3->5:4
2 , , PUNCT , _ 4 punct _ _
3 March March PROPN NNP Number=Sing 4 compound _ _
...