Milan Straka
commited on
Commit
•
febc85f
1
Parent(s):
dc25bdd
Initial upload with a fixed tokenizer.
Browse filesThe tokenizer now does not map several tokens to the same ID, and it
contains no holes.
- LICENSE +438 -0
- README.md +151 -0
- config.json +22 -0
- merges.txt +0 -0
- pytorch_model.bin +3 -0
- special_tokens_map.json +51 -0
- tokenizer.json +0 -0
- tokenizer_config.json +1 -0
- vocab.json +0 -0
LICENSE
ADDED
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=======================================================================
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|
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the avoidance of doubt, this paragraph does not form part of the
|
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|
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Creative Commons may be contacted at creativecommons.org.
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|
README.md
CHANGED
@@ -1,3 +1,154 @@
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1 |
---
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license: cc-by-nc-sa-4.0
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---
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1 |
+
|
2 |
---
|
3 |
+
language: cs
|
4 |
license: cc-by-nc-sa-4.0
|
5 |
+
tags:
|
6 |
+
- RobeCzech
|
7 |
+
- Czech
|
8 |
+
- RoBERTa
|
9 |
+
- ÚFAL
|
10 |
---
|
11 |
+
|
12 |
+
# Model Card for RobeCzech
|
13 |
+
|
14 |
+
**If you are having issues with the tokenizer, please see https://huggingface.co/ufal/robeczech-base/discussions/4#64b8f6a7f1f8e6ea5860b314.**
|
15 |
+
|
16 |
+
# Model Details
|
17 |
+
|
18 |
+
## Model Description
|
19 |
+
|
20 |
+
RobeCzech is a monolingual RoBERTa language representation model trained on Czech data.
|
21 |
+
|
22 |
+
- **Developed by:** Institute of Formal and Applied Linguistics, Charles University, Prague (UFAL)
|
23 |
+
- **Shared by:** Hugging Face and [LINDAT/CLARIAH-CZ](https://hdl.handle.net/11234/1-3691)
|
24 |
+
- **Model type:** Fill-Mask
|
25 |
+
- **Language(s) (NLP):** cs
|
26 |
+
- **License:** cc-by-nc-sa-4.0
|
27 |
+
- **Model Architecture:** RoBERTa
|
28 |
+
- **Resources for more information:**
|
29 |
+
- [RobeCzech: Czech RoBERTa, a Monolingual Contextualized Language Representation Model](https://doi.org/10.1007/978-3-030-83527-9_17)
|
30 |
+
- [arXiv preprint is also available](https://arxiv.org/abs/2105.11314)
|
31 |
+
|
32 |
+
|
33 |
+
# Uses
|
34 |
+
|
35 |
+
## Direct Use
|
36 |
+
|
37 |
+
Fill-Mask tasks.
|
38 |
+
|
39 |
+
## Downstream Use
|
40 |
+
|
41 |
+
Morphological tagging and lemmatization, dependency parsing, named entity
|
42 |
+
recognition, and semantic parsing.
|
43 |
+
|
44 |
+
|
45 |
+
# Bias, Risks, and Limitations
|
46 |
+
|
47 |
+
Significant research has explored bias and fairness issues with language models
|
48 |
+
(see, e.g., [Sheng et al. (2021)](https://aclanthology.org/2021.acl-long.330.pdf)
|
49 |
+
and [Bender et al. (2021)](https://dl.acm.org/doi/pdf/10.1145/3442188.3445922)).
|
50 |
+
Predictions generated by the model may include disturbing and harmful
|
51 |
+
stereotypes across protected classes; identity characteristics; and sensitive,
|
52 |
+
social, and occupational groups.
|
53 |
+
|
54 |
+
## Recommendations
|
55 |
+
|
56 |
+
Users (both direct and downstream) should be made aware of the risks, biases and
|
57 |
+
limitations of the model. More information needed for further recommendations.
|
58 |
+
|
59 |
+
|
60 |
+
# Training Details
|
61 |
+
|
62 |
+
## Training Data
|
63 |
+
|
64 |
+
The model creators note in the [associated paper](https://arxiv.org/pdf/2105.11314.pdf):
|
65 |
+
> We trained RobeCzech on a collection of the following publicly available texts:
|
66 |
+
> - SYN v4, a large corpus of contemporary written Czech, 4,188M tokens;
|
67 |
+
> - Czes, a collection of Czech newspaper and magazine articles, 432M tokens;
|
68 |
+
> - documents with at least 400 tokens from the Czech part of the web corpus.W2C , tokenized with MorphoDiTa, 16M tokens;
|
69 |
+
> - plain texts extracted from Czech Wikipedia dump 20201020 using WikiEx-tractor, tokenized with MorphoDiTa, 123M tokens
|
70 |
+
|
71 |
+
> All these corpora contain whole documents, even if the SYN v4 is
|
72 |
+
> block-shuffled (blocks with at most 100 words respecting sentence boundaries
|
73 |
+
> are permuted in a document) and in total contain 4,917M tokens.
|
74 |
+
|
75 |
+
## Training Procedure
|
76 |
+
|
77 |
+
### Preprocessing
|
78 |
+
|
79 |
+
The texts are tokenized into subwords with a byte-level BPE (BBPE) tokenizer,
|
80 |
+
which was trained on the entire corpus and we limit its vocabulary size to
|
81 |
+
52,000 items.
|
82 |
+
|
83 |
+
### Speeds, Sizes, Times
|
84 |
+
The model creators note in the [associated paper](https://arxiv.org/pdf/2105.11314.pdf):
|
85 |
+
> The training batch size is 8,192 and each training batch consists of sentences
|
86 |
+
> sampled contiguously, even across document boundaries, such that the total
|
87 |
+
> length of each sample is at most 512 tokens (FULL-SENTENCES setting). We use
|
88 |
+
> Adam optimizer with β1 = 0.9 and β2 = 0.98 to minimize the masked
|
89 |
+
> language-modeling objective.
|
90 |
+
|
91 |
+
### Software Used
|
92 |
+
The [Fairseq](https://github.com/facebookresearch/fairseq/tree/main/examples/roberta)
|
93 |
+
implementation was used for training.
|
94 |
+
|
95 |
+
|
96 |
+
# Evaluation
|
97 |
+
|
98 |
+
## Testing Data, Factors & Metrics
|
99 |
+
|
100 |
+
### Testing Data
|
101 |
+
The model creators note in the [associated paper](https://arxiv.org/pdf/2105.11314.pdf):
|
102 |
+
> We evaluate RobeCzech in five NLP tasks, three of them leveraging frozen
|
103 |
+
> contextualized word embeddings, two approached with fine-tuning:
|
104 |
+
> - morphological analysis and lemmatization: frozen contextualized word embeddings,
|
105 |
+
> - dependency parsing: frozen contextualized word embeddings,
|
106 |
+
> - named entity recognition: frozen contextualized word embeddings,
|
107 |
+
> - semantic parsing: fine-tuned,
|
108 |
+
> - sentiment analysis: fine-tuned.
|
109 |
+
|
110 |
+
## Results
|
111 |
+
|
112 |
+
| Model | Morphosynt PDT3.5 (POS) (LAS) | Morphosynt UD2.3 (XPOS) (LAS) | NER CNEC1.1 (nested) (flat) | Semant. PTG (Avg) (F1) |
|
113 |
+
|-----------|---------------------------------|--------------------------------|------------------------------|-------------------------|
|
114 |
+
| RobeCzech | 98.50 91.42 | 98.31 93.77 | 87.82 87.47 | 92.36 80.13 |
|
115 |
+
|
116 |
+
|
117 |
+
# Environmental Impact
|
118 |
+
|
119 |
+
- **Hardware Type:** 8 QUADRO P5000 GPU
|
120 |
+
- **Hours used:** 2190 (~3 months)
|
121 |
+
|
122 |
+
|
123 |
+
# Citation
|
124 |
+
|
125 |
+
```
|
126 |
+
@InProceedings{10.1007/978-3-030-83527-9_17,
|
127 |
+
author={Straka, Milan and N{\'a}plava, Jakub and Strakov{\'a}, Jana and Samuel, David},
|
128 |
+
editor={Ek{\v{s}}tein, Kamil and P{\'a}rtl, Franti{\v{s}}ek and Konop{\'i}k, Miloslav},
|
129 |
+
title={{RobeCzech: Czech RoBERTa, a Monolingual Contextualized Language Representation Model}},
|
130 |
+
booktitle="Text, Speech, and Dialogue",
|
131 |
+
year="2021",
|
132 |
+
publisher="Springer International Publishing",
|
133 |
+
address="Cham",
|
134 |
+
pages="197--209",
|
135 |
+
isbn="978-3-030-83527-9"
|
136 |
+
}
|
137 |
+
```
|
138 |
+
|
139 |
+
|
140 |
+
# How to Get Started with the Model
|
141 |
+
|
142 |
+
Use the code below to get started with the model.
|
143 |
+
|
144 |
+
<details>
|
145 |
+
<summary> Click to expand </summary>
|
146 |
+
|
147 |
+
```python
|
148 |
+
from transformers import AutoTokenizer, AutoModelForMaskedLM
|
149 |
+
|
150 |
+
tokenizer = AutoTokenizer.from_pretrained("ufal/robeczech-base")
|
151 |
+
|
152 |
+
model = AutoModelForMaskedLM.from_pretrained("ufal/robeczech-base")
|
153 |
+
```
|
154 |
+
</details>
|
config.json
ADDED
@@ -0,0 +1,22 @@
|
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|
|
|
1 |
+
{
|
2 |
+
"architectures": [
|
3 |
+
"RobertaForMaskedLM"
|
4 |
+
],
|
5 |
+
"attention_probs_dropout_prob": 0.1,
|
6 |
+
"bos_token_id": 0,
|
7 |
+
"eos_token_id": 2,
|
8 |
+
"gradient_checkpointing": false,
|
9 |
+
"hidden_act": "gelu",
|
10 |
+
"hidden_dropout_prob": 0.1,
|
11 |
+
"hidden_size": 768,
|
12 |
+
"initializer_range": 0.02,
|
13 |
+
"intermediate_size": 3072,
|
14 |
+
"layer_norm_eps": 1e-05,
|
15 |
+
"max_position_embeddings": 514,
|
16 |
+
"model_type": "roberta",
|
17 |
+
"num_attention_heads": 12,
|
18 |
+
"num_hidden_layers": 12,
|
19 |
+
"pad_token_id": 1,
|
20 |
+
"type_vocab_size": 1,
|
21 |
+
"vocab_size": 51997
|
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+
}
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merges.txt
ADDED
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pytorch_model.bin
ADDED
@@ -0,0 +1,3 @@
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|
1 |
+
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:d352e06e70edb7626a1dfd59ad2481f9c7d01996d6c8b137b1ad9c38ae6c5a37
|
3 |
+
size 504184434
|
special_tokens_map.json
ADDED
@@ -0,0 +1,51 @@
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|
1 |
+
{
|
2 |
+
"bos_token": {
|
3 |
+
"content": "[CLS]",
|
4 |
+
"lstrip": false,
|
5 |
+
"normalized": true,
|
6 |
+
"rstrip": false,
|
7 |
+
"single_word": false
|
8 |
+
},
|
9 |
+
"cls_token": {
|
10 |
+
"content": "[CLS]",
|
11 |
+
"lstrip": false,
|
12 |
+
"normalized": true,
|
13 |
+
"rstrip": false,
|
14 |
+
"single_word": false
|
15 |
+
},
|
16 |
+
"eos_token": {
|
17 |
+
"content": "[SEP]",
|
18 |
+
"lstrip": false,
|
19 |
+
"normalized": true,
|
20 |
+
"rstrip": false,
|
21 |
+
"single_word": false
|
22 |
+
},
|
23 |
+
"mask_token": {
|
24 |
+
"content": "[MASK]",
|
25 |
+
"lstrip": true,
|
26 |
+
"normalized": true,
|
27 |
+
"rstrip": false,
|
28 |
+
"single_word": false
|
29 |
+
},
|
30 |
+
"pad_token": {
|
31 |
+
"content": "[PAD]",
|
32 |
+
"lstrip": false,
|
33 |
+
"normalized": true,
|
34 |
+
"rstrip": false,
|
35 |
+
"single_word": false
|
36 |
+
},
|
37 |
+
"sep_token": {
|
38 |
+
"content": "[SEP]",
|
39 |
+
"lstrip": false,
|
40 |
+
"normalized": true,
|
41 |
+
"rstrip": false,
|
42 |
+
"single_word": false
|
43 |
+
},
|
44 |
+
"unk_token": {
|
45 |
+
"content": "[UNK]",
|
46 |
+
"lstrip": false,
|
47 |
+
"normalized": true,
|
48 |
+
"rstrip": false,
|
49 |
+
"single_word": false
|
50 |
+
}
|
51 |
+
}
|
tokenizer.json
ADDED
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tokenizer_config.json
ADDED
@@ -0,0 +1 @@
|
|
|
|
|
1 |
+
{"bos_token": "[CLS]", "eos_token": "[SEP]", "sep_token": "[SEP]", "cls_token": "[CLS]", "unk_token": "[UNK]", "pad_token": "[PAD]", "mask_token": "[MASK]", "add_prefix_space": false}
|
vocab.json
ADDED
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|