antonyms in languages other than German and English

[chlor]

How to get antonyms from language sources other than German or English language. Here is my way to get antonyms:

if synset.get_related('antonym'): antonyms.update(list(itertools.chain(*[ant.lemmas() for ant in synset.get_related('antonym')]))) for sense in synset.senses(): if sense.get_related('antonym'): ant = sense.get_related('antonym') for a in ant: antonyms.update(a.word().lemma())

[chlor]

I 've tested it with Italian, French an Spanish and found no examples.

[fcbond]

The wordnets from omw 1.* do not have their own relations but piggyback on PWN. So lemmas in synsets in any language that have antonyms in PWN should be antonyms, or at least have opposite meanings. You can get a bigger list if you also expand through similar-to, ...

On Tue, 8 Mar 2022, 20:19 Christina Lohr, @.***> wrote:

I 've tested it with Italian, French an Spanish and found no examples.

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[chlor]

Thanks for the quick reply, how can I read antonyms from OWN networks? The code fragments I mentioned are not sufficient.

[fcbond]

Hi,

Not optimized at all, but this should work.  It gets the antonym relations from English and then looks them up in Japanese.

import wn
en = wn.Wordnet('omw-en:1.4')
ja = wn.Wordnet('omw-ja:1.4')

### a set of tuples of ili ids of antonyms,
### sorted internally (so we only get one way: id1 < id2)
antonyms = set()

### store ilis for antonym pairs
for synset in en.synsets():
    ### check synsets (there aren't any)
    if syn_anto := synset.get_related('antonym'):
        print(synset, syn_anto)
    ### check senses
    for sense in synset.senses():
        if sen_anto := sense.get_related('antonym'):
            for anto in sen_anto:
                antonyms.add(tuple(sorted([sense.synset().ili.id,
                                           anto.synset().ili.id])))
### print for Japanese
for (a1, a2) in antonyms:
    s1 = ja.synsets(ili=a1)
    s2 = ja.synsets(ili=a2)
    print(s1,s2)

[chlor]

Thanks, it works! Here is my extension to get antoynms:

import wn
en = wn.Wordnet('omw-en:1.4')
ja = wn.Wordnet('omw-ja:1.4')

### a set of tuples of ili ids of antonyms,
### sorted internally (so we only get one way: id1 < id2)
antonyms = set()
antonyms_txt = set()

### store ilis for antonym pairs
for synset in en.synsets():
    if syn_anto := synset.get_related('antonym'):
        print(synset, syn_anto)
    for sense in synset.senses():
        if sen_anto := sense.get_related('antonym'):
            for anto in sen_anto:
                antonyms.add(tuple(sorted([sense.synset().ili.id, anto.synset().ili.id])))

dict_ant = {}

for (a1, a2) in antonyms:
    s1 = ja.synsets(ili=a1)
    s2 = ja.synsets(ili=a2)
    for s in s1:
        for lem in s.lemmas():
            got_ants = [s.lemmas() for s in s2]
            if got_ants:
                dict_ant[lem] = got_ants

for d in dict_ant:
    print(d, *itertools.chain.from_iterable(dict_ant[d]))

print(len(dict_ant))