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microsoft/prophetnet-large-uncased microsoft/prophetnet-large-uncased
265 downloads
last 30 days

pytorch

tf

Contributed by

Microsoft company
15 team members · 31 models

How to use this model directly from the 🤗/transformers library:

			
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from transformers import AutoTokenizer, AutoModelForSeq2SeqLM tokenizer = AutoTokenizer.from_pretrained("microsoft/prophetnet-large-uncased") model = AutoModelForSeq2SeqLM.from_pretrained("microsoft/prophetnet-large-uncased")

prophetnet-large-uncased

Pretrained weights for ProphetNet.
ProphetNet is a new pre-trained language model for sequence-to-sequence learning with a novel self-supervised objective called future n-gram prediction.
ProphetNet is able to predict more future tokens with a n-stream decoder. The original implementation is Fairseq version at github repo.

Usage

This pre-trained model can be fine-tuned on sequence-to-sequence tasks. The model could e.g. be trained on headline generation as follows:

from transformers import ProphetNetForConditionalGeneration, ProphetNetTokenizer

model = ProphetNetForConditionalGeneration.from_pretrained("microsoft/prophetnet-large-uncased")
tokenizer = ProphetNetTokenizer.from_pretrained("microsoft/prophetnet-large-uncased")

input_str = "the us state department said wednesday it had received no formal word from bolivia that it was expelling the us ambassador there but said the charges made against him are `` baseless ."
target_str = "us rejects charges against its ambassador in bolivia"

input_ids = tokenizer(input_str, return_tensors="pt").input_ids
labels = tokenizer(target_str, return_tensors="pt").input_ids

loss = model(input_ids, labels=labels, return_dict=True).loss

Citation

@article{yan2020prophetnet,
  title={Prophetnet: Predicting future n-gram for sequence-to-sequence pre-training},
  author={Yan, Yu and Qi, Weizhen and Gong, Yeyun and Liu, Dayiheng and Duan, Nan and Chen, Jiusheng and Zhang, Ruofei and Zhou, Ming},
  journal={arXiv preprint arXiv:2001.04063},
  year={2020}
}