Upload folder using huggingface_hub
Browse files- .gitattributes +7 -32
- README.md +311 -0
- config.json +25 -0
- model.safetensors +3 -0
- tf_model.h5 +3 -0
- tokenizer.json +0 -0
- tokenizer_config.json +1 -0
- vocab.txt +0 -0
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README.md
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1 |
+
---
|
2 |
+
language:
|
3 |
+
- multilingual
|
4 |
+
- af
|
5 |
+
- sq
|
6 |
+
- ar
|
7 |
+
- an
|
8 |
+
- hy
|
9 |
+
- ast
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10 |
+
- az
|
11 |
+
- ba
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12 |
+
- eu
|
13 |
+
- bar
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14 |
+
- be
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15 |
+
- bn
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16 |
+
- inc
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17 |
+
- bs
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18 |
+
- br
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19 |
+
- bg
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20 |
+
- my
|
21 |
+
- ca
|
22 |
+
- ceb
|
23 |
+
- ce
|
24 |
+
- zh
|
25 |
+
- cv
|
26 |
+
- hr
|
27 |
+
- cs
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28 |
+
- da
|
29 |
+
- nl
|
30 |
+
- en
|
31 |
+
- et
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32 |
+
- fi
|
33 |
+
- fr
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34 |
+
- gl
|
35 |
+
- ka
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36 |
+
- de
|
37 |
+
- el
|
38 |
+
- gu
|
39 |
+
- ht
|
40 |
+
- he
|
41 |
+
- hi
|
42 |
+
- hu
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43 |
+
- is
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44 |
+
- io
|
45 |
+
- id
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46 |
+
- ga
|
47 |
+
- it
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48 |
+
- ja
|
49 |
+
- jv
|
50 |
+
- kn
|
51 |
+
- kk
|
52 |
+
- ky
|
53 |
+
- ko
|
54 |
+
- la
|
55 |
+
- lv
|
56 |
+
- lt
|
57 |
+
- roa
|
58 |
+
- nds
|
59 |
+
- lm
|
60 |
+
- mk
|
61 |
+
- mg
|
62 |
+
- ms
|
63 |
+
- ml
|
64 |
+
- mr
|
65 |
+
- min
|
66 |
+
- ne
|
67 |
+
- new
|
68 |
+
- nb
|
69 |
+
- nn
|
70 |
+
- oc
|
71 |
+
- fa
|
72 |
+
- pms
|
73 |
+
- pl
|
74 |
+
- pt
|
75 |
+
- pa
|
76 |
+
- ro
|
77 |
+
- ru
|
78 |
+
- sco
|
79 |
+
- sr
|
80 |
+
- hr
|
81 |
+
- scn
|
82 |
+
- sk
|
83 |
+
- sl
|
84 |
+
- aze
|
85 |
+
- es
|
86 |
+
- su
|
87 |
+
- sw
|
88 |
+
- sv
|
89 |
+
- tl
|
90 |
+
- tg
|
91 |
+
- ta
|
92 |
+
- tt
|
93 |
+
- te
|
94 |
+
- tr
|
95 |
+
- uk
|
96 |
+
- ud
|
97 |
+
- uz
|
98 |
+
- vi
|
99 |
+
- vo
|
100 |
+
- war
|
101 |
+
- cy
|
102 |
+
- fry
|
103 |
+
- pnb
|
104 |
+
- yo
|
105 |
+
license: apache-2.0
|
106 |
+
datasets:
|
107 |
+
- wikipedia
|
108 |
+
---
|
109 |
+
|
110 |
+
# BERT multilingual base model (uncased)
|
111 |
+
|
112 |
+
Pretrained model on the top 102 languages with the largest Wikipedia using a masked language modeling (MLM) objective.
|
113 |
+
It was introduced in [this paper](https://arxiv.org/abs/1810.04805) and first released in
|
114 |
+
[this repository](https://github.com/google-research/bert). This model is uncased: it does not make a difference
|
115 |
+
between english and English.
|
116 |
+
|
117 |
+
Disclaimer: The team releasing BERT did not write a model card for this model so this model card has been written by
|
118 |
+
the Hugging Face team.
|
119 |
+
|
120 |
+
## Model description
|
121 |
+
|
122 |
+
BERT is a transformers model pretrained on a large corpus of multilingual data in a self-supervised fashion. This means
|
123 |
+
it was pretrained on the raw texts only, with no humans labelling them in any way (which is why it can use lots of
|
124 |
+
publicly available data) with an automatic process to generate inputs and labels from those texts. More precisely, it
|
125 |
+
was pretrained with two objectives:
|
126 |
+
|
127 |
+
- Masked language modeling (MLM): taking a sentence, the model randomly masks 15% of the words in the input then run
|
128 |
+
the entire masked sentence through the model and has to predict the masked words. This is different from traditional
|
129 |
+
recurrent neural networks (RNNs) that usually see the words one after the other, or from autoregressive models like
|
130 |
+
GPT which internally mask the future tokens. It allows the model to learn a bidirectional representation of the
|
131 |
+
sentence.
|
132 |
+
- Next sentence prediction (NSP): the models concatenates two masked sentences as inputs during pretraining. Sometimes
|
133 |
+
they correspond to sentences that were next to each other in the original text, sometimes not. The model then has to
|
134 |
+
predict if the two sentences were following each other or not.
|
135 |
+
|
136 |
+
This way, the model learns an inner representation of the languages in the training set that can then be used to
|
137 |
+
extract features useful for downstream tasks: if you have a dataset of labeled sentences for instance, you can train a
|
138 |
+
standard classifier using the features produced by the BERT model as inputs.
|
139 |
+
|
140 |
+
## Intended uses & limitations
|
141 |
+
|
142 |
+
You can use the raw model for either masked language modeling or next sentence prediction, but it's mostly intended to
|
143 |
+
be fine-tuned on a downstream task. See the [model hub](https://huggingface.co/models?filter=bert) to look for
|
144 |
+
fine-tuned versions on a task that interests you.
|
145 |
+
|
146 |
+
Note that this model is primarily aimed at being fine-tuned on tasks that use the whole sentence (potentially masked)
|
147 |
+
to make decisions, such as sequence classification, token classification or question answering. For tasks such as text
|
148 |
+
generation you should look at model like GPT2.
|
149 |
+
|
150 |
+
### How to use
|
151 |
+
|
152 |
+
You can use this model directly with a pipeline for masked language modeling:
|
153 |
+
|
154 |
+
```python
|
155 |
+
>>> from transformers import pipeline
|
156 |
+
>>> unmasker = pipeline('fill-mask', model='bert-base-multilingual-uncased')
|
157 |
+
>>> unmasker("Hello I'm a [MASK] model.")
|
158 |
+
|
159 |
+
[{'sequence': "[CLS] hello i'm a top model. [SEP]",
|
160 |
+
'score': 0.1507750153541565,
|
161 |
+
'token': 11397,
|
162 |
+
'token_str': 'top'},
|
163 |
+
{'sequence': "[CLS] hello i'm a fashion model. [SEP]",
|
164 |
+
'score': 0.13075384497642517,
|
165 |
+
'token': 23589,
|
166 |
+
'token_str': 'fashion'},
|
167 |
+
{'sequence': "[CLS] hello i'm a good model. [SEP]",
|
168 |
+
'score': 0.036272723227739334,
|
169 |
+
'token': 12050,
|
170 |
+
'token_str': 'good'},
|
171 |
+
{'sequence': "[CLS] hello i'm a new model. [SEP]",
|
172 |
+
'score': 0.035954564809799194,
|
173 |
+
'token': 10246,
|
174 |
+
'token_str': 'new'},
|
175 |
+
{'sequence': "[CLS] hello i'm a great model. [SEP]",
|
176 |
+
'score': 0.028643041849136353,
|
177 |
+
'token': 11838,
|
178 |
+
'token_str': 'great'}]
|
179 |
+
```
|
180 |
+
|
181 |
+
Here is how to use this model to get the features of a given text in PyTorch:
|
182 |
+
|
183 |
+
```python
|
184 |
+
from transformers import BertTokenizer, BertModel
|
185 |
+
tokenizer = BertTokenizer.from_pretrained('bert-base-multilingual-uncased')
|
186 |
+
model = BertModel.from_pretrained("bert-base-multilingual-uncased")
|
187 |
+
text = "Replace me by any text you'd like."
|
188 |
+
encoded_input = tokenizer(text, return_tensors='pt')
|
189 |
+
output = model(**encoded_input)
|
190 |
+
```
|
191 |
+
|
192 |
+
and in TensorFlow:
|
193 |
+
|
194 |
+
```python
|
195 |
+
from transformers import BertTokenizer, TFBertModel
|
196 |
+
tokenizer = BertTokenizer.from_pretrained('bert-base-multilingual-uncased')
|
197 |
+
model = TFBertModel.from_pretrained("bert-base-multilingual-uncased")
|
198 |
+
text = "Replace me by any text you'd like."
|
199 |
+
encoded_input = tokenizer(text, return_tensors='tf')
|
200 |
+
output = model(encoded_input)
|
201 |
+
```
|
202 |
+
|
203 |
+
### Limitations and bias
|
204 |
+
|
205 |
+
Even if the training data used for this model could be characterized as fairly neutral, this model can have biased
|
206 |
+
predictions:
|
207 |
+
|
208 |
+
```python
|
209 |
+
>>> from transformers import pipeline
|
210 |
+
>>> unmasker = pipeline('fill-mask', model='bert-base-multilingual-uncased')
|
211 |
+
>>> unmasker("The man worked as a [MASK].")
|
212 |
+
|
213 |
+
[{'sequence': '[CLS] the man worked as a teacher. [SEP]',
|
214 |
+
'score': 0.07943806052207947,
|
215 |
+
'token': 21733,
|
216 |
+
'token_str': 'teacher'},
|
217 |
+
{'sequence': '[CLS] the man worked as a lawyer. [SEP]',
|
218 |
+
'score': 0.0629938617348671,
|
219 |
+
'token': 34249,
|
220 |
+
'token_str': 'lawyer'},
|
221 |
+
{'sequence': '[CLS] the man worked as a farmer. [SEP]',
|
222 |
+
'score': 0.03367974981665611,
|
223 |
+
'token': 36799,
|
224 |
+
'token_str': 'farmer'},
|
225 |
+
{'sequence': '[CLS] the man worked as a journalist. [SEP]',
|
226 |
+
'score': 0.03172805905342102,
|
227 |
+
'token': 19477,
|
228 |
+
'token_str': 'journalist'},
|
229 |
+
{'sequence': '[CLS] the man worked as a carpenter. [SEP]',
|
230 |
+
'score': 0.031021825969219208,
|
231 |
+
'token': 33241,
|
232 |
+
'token_str': 'carpenter'}]
|
233 |
+
|
234 |
+
>>> unmasker("The Black woman worked as a [MASK].")
|
235 |
+
|
236 |
+
[{'sequence': '[CLS] the black woman worked as a nurse. [SEP]',
|
237 |
+
'score': 0.07045423984527588,
|
238 |
+
'token': 52428,
|
239 |
+
'token_str': 'nurse'},
|
240 |
+
{'sequence': '[CLS] the black woman worked as a teacher. [SEP]',
|
241 |
+
'score': 0.05178029090166092,
|
242 |
+
'token': 21733,
|
243 |
+
'token_str': 'teacher'},
|
244 |
+
{'sequence': '[CLS] the black woman worked as a lawyer. [SEP]',
|
245 |
+
'score': 0.032601192593574524,
|
246 |
+
'token': 34249,
|
247 |
+
'token_str': 'lawyer'},
|
248 |
+
{'sequence': '[CLS] the black woman worked as a slave. [SEP]',
|
249 |
+
'score': 0.030507225543260574,
|
250 |
+
'token': 31173,
|
251 |
+
'token_str': 'slave'},
|
252 |
+
{'sequence': '[CLS] the black woman worked as a woman. [SEP]',
|
253 |
+
'score': 0.027691684663295746,
|
254 |
+
'token': 14050,
|
255 |
+
'token_str': 'woman'}]
|
256 |
+
```
|
257 |
+
|
258 |
+
This bias will also affect all fine-tuned versions of this model.
|
259 |
+
|
260 |
+
## Training data
|
261 |
+
|
262 |
+
The BERT model was pretrained on the 102 languages with the largest Wikipedias. You can find the complete list
|
263 |
+
[here](https://github.com/google-research/bert/blob/master/multilingual.md#list-of-languages).
|
264 |
+
|
265 |
+
## Training procedure
|
266 |
+
|
267 |
+
### Preprocessing
|
268 |
+
|
269 |
+
The texts are lowercased and tokenized using WordPiece and a shared vocabulary size of 110,000. The languages with a
|
270 |
+
larger Wikipedia are under-sampled and the ones with lower resources are oversampled. For languages like Chinese,
|
271 |
+
Japanese Kanji and Korean Hanja that don't have space, a CJK Unicode block is added around every character.
|
272 |
+
|
273 |
+
The inputs of the model are then of the form:
|
274 |
+
|
275 |
+
```
|
276 |
+
[CLS] Sentence A [SEP] Sentence B [SEP]
|
277 |
+
```
|
278 |
+
|
279 |
+
With probability 0.5, sentence A and sentence B correspond to two consecutive sentences in the original corpus and in
|
280 |
+
the other cases, it's another random sentence in the corpus. Note that what is considered a sentence here is a
|
281 |
+
consecutive span of text usually longer than a single sentence. The only constrain is that the result with the two
|
282 |
+
"sentences" has a combined length of less than 512 tokens.
|
283 |
+
|
284 |
+
The details of the masking procedure for each sentence are the following:
|
285 |
+
- 15% of the tokens are masked.
|
286 |
+
- In 80% of the cases, the masked tokens are replaced by `[MASK]`.
|
287 |
+
- In 10% of the cases, the masked tokens are replaced by a random token (different) from the one they replace.
|
288 |
+
- In the 10% remaining cases, the masked tokens are left as is.
|
289 |
+
|
290 |
+
|
291 |
+
### BibTeX entry and citation info
|
292 |
+
|
293 |
+
```bibtex
|
294 |
+
@article{DBLP:journals/corr/abs-1810-04805,
|
295 |
+
author = {Jacob Devlin and
|
296 |
+
Ming{-}Wei Chang and
|
297 |
+
Kenton Lee and
|
298 |
+
Kristina Toutanova},
|
299 |
+
title = {{BERT:} Pre-training of Deep Bidirectional Transformers for Language
|
300 |
+
Understanding},
|
301 |
+
journal = {CoRR},
|
302 |
+
volume = {abs/1810.04805},
|
303 |
+
year = {2018},
|
304 |
+
url = {http://arxiv.org/abs/1810.04805},
|
305 |
+
archivePrefix = {arXiv},
|
306 |
+
eprint = {1810.04805},
|
307 |
+
timestamp = {Tue, 30 Oct 2018 20:39:56 +0100},
|
308 |
+
biburl = {https://dblp.org/rec/journals/corr/abs-1810-04805.bib},
|
309 |
+
bibsource = {dblp computer science bibliography, https://dblp.org}
|
310 |
+
}
|
311 |
+
```
|
config.json
ADDED
@@ -0,0 +1,25 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
{
|
2 |
+
"architectures": [
|
3 |
+
"BertForMaskedLM"
|
4 |
+
],
|
5 |
+
"attention_probs_dropout_prob": 0.1,
|
6 |
+
"directionality": "bidi",
|
7 |
+
"hidden_act": "gelu",
|
8 |
+
"hidden_dropout_prob": 0.1,
|
9 |
+
"hidden_size": 768,
|
10 |
+
"initializer_range": 0.02,
|
11 |
+
"intermediate_size": 3072,
|
12 |
+
"layer_norm_eps": 1e-12,
|
13 |
+
"max_position_embeddings": 512,
|
14 |
+
"model_type": "bert",
|
15 |
+
"num_attention_heads": 12,
|
16 |
+
"num_hidden_layers": 12,
|
17 |
+
"pad_token_id": 0,
|
18 |
+
"pooler_fc_size": 768,
|
19 |
+
"pooler_num_attention_heads": 12,
|
20 |
+
"pooler_num_fc_layers": 3,
|
21 |
+
"pooler_size_per_head": 128,
|
22 |
+
"pooler_type": "first_token_transform",
|
23 |
+
"type_vocab_size": 2,
|
24 |
+
"vocab_size": 105879
|
25 |
+
}
|
model.safetensors
ADDED
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
1 |
+
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:b33adb2b700b7029a64a4a14ddec6bda8555d2ca879e80a75789fd9542a6290e
|
3 |
+
size 672247920
|
tf_model.h5
ADDED
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
1 |
+
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:77d2ed6e37792d0e3224dddf5d4b509c65d0e9fb131b97339598b852ccd83921
|
3 |
+
size 999358484
|
tokenizer.json
ADDED
The diff for this file is too large to render.
See raw diff
|
|
tokenizer_config.json
ADDED
@@ -0,0 +1 @@
|
|
|
|
|
1 |
+
{"do_lower_case": true, "model_max_length": 512}
|
vocab.txt
ADDED
The diff for this file is too large to render.
See raw diff
|
|