Migrate model card from transformers-repo

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Original file history: https://github.com/huggingface/transformers/commits/master/model_cards/Musixmatch/umberto-wikipedia-uncased-v1/README.md

README.md

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+---
+language: it
+---
+
+# UmBERTo Wikipedia Uncased
+
+[UmBERTo](https://github.com/musixmatchresearch/umberto) is a Roberta-based Language Model trained on large Italian Corpora and uses two innovative approaches: SentencePiece and Whole Word Masking. Now available at [github.com/huggingface/transformers](https://huggingface.co/Musixmatch/umberto-commoncrawl-cased-v1)
+
+<p align="center">
+    <img src="https://user-images.githubusercontent.com/7140210/72913702-d55a8480-3d3d-11ea-99fc-f2ef29af4e72.jpg" width="700"> </br>
+    Marco Lodola, Monument to Umberto Eco, Alessandria 2019
+</p>
+
+## Dataset
+UmBERTo-Wikipedia-Uncased Training is trained on a relative small corpus (~7GB) extracted from [Wikipedia-ITA](https://linguatools.org/tools/corpora/wikipedia-monolingual-corpora/).
+
+## Pre-trained model
+
+| Model | WWM | Cased | Tokenizer | Vocab Size  | Train Steps |  Download |
+| ------ | ------ | ------ | ------ | ------ |------ | ------ |
+| `umberto-wikipedia-uncased-v1` | YES | YES | SPM | 32K | 100k | [Link](http://bit.ly/35wbSj6) |
+
+This model was trained with [SentencePiece](https://github.com/google/sentencepiece) and Whole Word Masking.
+
+## Downstream Tasks
+These results refers to umberto-wikipedia-uncased model. All details are at [Umberto](https://github.com/musixmatchresearch/umberto) Official Page.
+
+#### Named Entity Recognition (NER)
+
+| Dataset | F1 | Precision | Recall | Accuracy |
+| ------ | ------ | ------ |  ------ |  ----- |
+| **ICAB-EvalITA07** | **86.240** | 85.939 | 86.544 | 98.534 | 
+| **WikiNER-ITA** | **90.483** | 90.328 | 90.638 | 98.661 | 
+
+#### Part of Speech (POS)
+
+| Dataset | F1 | Precision | Recall | Accuracy |
+| ------ | ------ | ------ |  ------ |  ------ |
+| **UD_Italian-ISDT** | 98.563  | 98.508 | 98.618 | **98.717** | 
+| **UD_Italian-ParTUT** | 97.810 | 97.835 |  97.784 | **98.060** | 
+
+
+
+## Usage
+
+##### Load UmBERTo Wikipedia Uncased with AutoModel, Autotokenizer:
+
+```python
+
+import torch
+from transformers import AutoTokenizer, AutoModel
+
+tokenizer = AutoTokenizer.from_pretrained("Musixmatch/umberto-wikipedia-uncased-v1")
+umberto = AutoModel.from_pretrained("Musixmatch/umberto-wikipedia-uncased-v1")
+
+encoded_input = tokenizer.encode("Umberto Eco è stato un grande scrittore")
+input_ids = torch.tensor(encoded_input).unsqueeze(0)  # Batch size 1
+outputs = umberto(input_ids)
+last_hidden_states = outputs[0]  # The last hidden-state is the first element of the output
+```
+
+##### Predict masked token:
+
+```python
+from transformers import pipeline
+
+fill_mask = pipeline(
+	"fill-mask",
+	model="Musixmatch/umberto-wikipedia-uncased-v1",
+	tokenizer="Musixmatch/umberto-wikipedia-uncased-v1"
+)
+
+result = fill_mask("Umberto Eco è <mask> un grande scrittore")
+# {'sequence': '<s> umberto eco è stato un grande scrittore</s>', 'score': 0.5784581303596497, 'token': 361}
+# {'sequence': '<s> umberto eco è anche un grande scrittore</s>', 'score': 0.33813193440437317, 'token': 269}
+# {'sequence': '<s> umberto eco è considerato un grande scrittore</s>', 'score': 0.027196012437343597, 'token': 3236}
+# {'sequence': '<s> umberto eco è diventato un grande scrittore</s>', 'score': 0.013716378249228, 'token': 5742}
+# {'sequence': '<s> umberto eco è inoltre un grande scrittore</s>', 'score': 0.010662357322871685, 'token': 1030}
+```
+
+
+## Citation
+All of the original datasets are publicly available or were released with the owners' grant. The datasets are all released under a CC0 or CCBY license.
+
+* UD Italian-ISDT Dataset [Github](https://github.com/UniversalDependencies/UD_Italian-ISDT)
+* UD Italian-ParTUT Dataset [Github](https://github.com/UniversalDependencies/UD_Italian-ParTUT)
+* I-CAB (Italian Content Annotation Bank), EvalITA [Page](http://www.evalita.it/)
+* WIKINER [Page](https://figshare.com/articles/Learning_multilingual_named_entity_recognition_from_Wikipedia/5462500) , [Paper](https://www.sciencedirect.com/science/article/pii/S0004370212000276?via%3Dihub)
+
+```
+@inproceedings {magnini2006annotazione,
+	title = {Annotazione di contenuti concettuali in un corpus italiano: I - CAB},
+	author = {Magnini,Bernardo and Cappelli,Amedeo and Pianta,Emanuele and Speranza,Manuela and Bartalesi Lenzi,V and Sprugnoli,Rachele and Romano,Lorenza and Girardi,Christian and Negri,Matteo},
+	booktitle = {Proc.of SILFI 2006},
+	year = {2006}
+}
+@inproceedings {magnini2006cab,
+	title = {I - CAB: the Italian Content Annotation Bank.},
+	author = {Magnini,Bernardo and Pianta,Emanuele and Girardi,Christian and Negri,Matteo and Romano,Lorenza and Speranza,Manuela and Lenzi,Valentina Bartalesi and Sprugnoli,Rachele},
+	booktitle = {LREC},
+	pages = {963--968},
+	year = {2006},
+	organization = {Citeseer}
+}
+```
+
+## Authors
+
+**Loreto Parisi**: `loreto at musixmatch dot com`, [loretoparisi](https://github.com/loretoparisi)
+**Simone Francia**: `simone.francia at musixmatch dot com`, [simonefrancia](https://github.com/simonefrancia)
+**Paolo Magnani**: `paul.magnani95 at gmail dot com`, [paulthemagno](https://github.com/paulthemagno)
+
+## About Musixmatch AI
+![Musxmatch Ai mac app icon-128](https://user-images.githubusercontent.com/163333/72244273-396aa380-35ee-11ea-894b-4ea48230c02b.png)
+We do Machine Learning and Artificial Intelligence @[musixmatch](https://twitter.com/Musixmatch)
+Follow us on [Twitter](https://twitter.com/musixmatchai) [Github](https://github.com/musixmatchresearch)
+