From aa69c81f29141a2e41962eceb62d1f3f62628952 Mon Sep 17 00:00:00 2001 From: Txus Date: Fri, 10 Jul 2020 17:39:04 +0200 Subject: [PATCH] Add freshly trained `base` version (#5621) --- .../codegram/calbert-base-uncased/README.md | 82 +++++++++++++++++-- 1 file changed, 74 insertions(+), 8 deletions(-) diff --git a/model_cards/codegram/calbert-base-uncased/README.md b/model_cards/codegram/calbert-base-uncased/README.md index 77cb5254ad..083a709ff2 100644 --- a/model_cards/codegram/calbert-base-uncased/README.md +++ b/model_cards/codegram/calbert-base-uncased/README.md @@ -1,25 +1,91 @@ --- -language: catalan +language: "ca" +tags: + - lm-head + - masked-lm + - catalan + - exbert +license: mit --- -# CALBERT: a Catalan Language Model +# Calbert: a Catalan Language Model ## Introduction -CALBERT is an open-source language model for Catalan based on the ALBERT architecture. +CALBERT is an open-source language model for Catalan pretrained on the ALBERT architecture. -It is now available on Hugging Face in its `base-uncased` version, and was pretrained on the [OSCAR dataset](https://traces1.inria.fr/oscar/). +It is now available on Hugging Face in its `tiny-uncased` version and `base-uncased` (the one you're looking at) as well, and was pretrained on the [OSCAR dataset](https://traces1.inria.fr/oscar/). For further information or requests, please go to the [GitHub repository](https://github.com/codegram/calbert) ## Pre-trained models -| Model | Arch. | Training data | -|-------------------------------------|------------------|-----------------------------------| -| `codegram` / `calbert-base-uncased` | Base (uncased) | OSCAR (4.3 GB of text) | +| Model | Arch. | Training data | +| ----------------------------------- | -------------- | ---------------------- | +| `codegram` / `calbert-tiny-uncased` | Tiny (uncased) | OSCAR (4.3 GB of text) | +| `codegram` / `calbert-base-uncased` | Base (uncased) | OSCAR (4.3 GB of text) | +## How to use Calbert with HuggingFace -## Authors +#### Load Calbert and its tokenizer: + +```python +from transformers import AutoModel, AutoTokenizer + +tokenizer = AutoTokenizer.from_pretrained("codegram/calbert-base-uncased") +model = AutoModel.from_pretrained("codegram/calbert-base-uncased") + +model.eval() # disable dropout (or leave in train mode to finetune +``` + +#### Filling masks using pipeline + +```python +from transformers import pipeline + +calbert_fill_mask = pipeline("fill-mask", model="codegram/calbert-base-uncased", tokenizer="codegram/calbert-base-uncased") +results = calbert_fill_mask("M'agrada [MASK] això") +# results +# [{'sequence': "[CLS] m'agrada molt aixo[SEP]", 'score': 0.614592969417572, 'token': 61}, +# {'sequence': "[CLS] m'agrada moltíssim aixo[SEP]", 'score': 0.06058056280016899, 'token': 4867}, +# {'sequence': "[CLS] m'agrada més aixo[SEP]", 'score': 0.017195818945765495, 'token': 43}, +# {'sequence': "[CLS] m'agrada llegir aixo[SEP]", 'score': 0.016321714967489243, 'token': 684}, +# {'sequence': "[CLS] m'agrada escriure aixo[SEP]", 'score': 0.012185849249362946, 'token': 1306}] + +``` + +#### Extract contextual embedding features from Calbert output + +```python +import torch +# Tokenize in sub-words with SentencePiece +tokenized_sentence = tokenizer.tokenize("M'és una mica igual") +# ['▁m', "'", 'es', '▁una', '▁mica', '▁igual'] + +# 1-hot encode and add special starting and end tokens +encoded_sentence = tokenizer.encode(tokenized_sentence) +# [2, 109, 7, 71, 36, 371, 1103, 3] +# NB: Can be done in one step : tokenize.encode("M'és una mica igual") + +# Feed tokens to Calbert as a torch tensor (batch dim 1) +encoded_sentence = torch.tensor(encoded_sentence).unsqueeze(0) +embeddings, _ = model(encoded_sentence) +embeddings.size() +# torch.Size([1, 8, 768]) +embeddings.detach() +# tensor([[[-0.0261, 0.1166, -0.1075, ..., -0.0368, 0.0193, 0.0017], +# [ 0.1289, -0.2252, 0.9881, ..., -0.1353, 0.3534, 0.0734], +# [-0.0328, -1.2364, 0.9466, ..., 0.3455, 0.7010, -0.2085], +# ..., +# [ 0.0397, -1.0228, -0.2239, ..., 0.2932, 0.1248, 0.0813], +# [-0.0261, 0.1165, -0.1074, ..., -0.0368, 0.0193, 0.0017], +# [-0.1934, -0.2357, -0.2554, ..., 0.1831, 0.6085, 0.1421]]]) +``` + +## Authors CALBERT was trained and evaluated by [Txus Bach](https://twitter.com/txustice), as part of [Codegram](https://www.codegram.com)'s applied research. + + +