par princeton-nlp
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Le modèle *sup-simcse-roberta-large* est une version améliorée de RoBERTa-large spécialisée dans l'extraction de caractéristiques pour les phrases. Il génère des représentations vectorielles (embeddings) de phrases qui capturent leur sens sémantique, permettant de comparer ou de classer des textes avec une grande précision. Contrairement à son modèle parent, il a été affiné avec des techniques de contraste (SimCSE) sur des données supervisées (MNLI et SNLI) et non supervisées (Wikipedia), ce qui améliore sa capacité à distinguer les nuances de sens entre phrases similaires. Ses principaux cas d'usage incluent la recherche d'information, la détection de similarité textuelle, la classification de documents ou l'amélioration des systèmes de dialogue. Ce qui le distingue, c'est sa robustesse sur des tâches comme la similarité sémantique (STS) et sa capacité à produire des embeddings cohérents même pour des phrases complexes ou ambiguës.
This model can be used for the task of Feature Extraction
More information needed
The model should not be used to intentionally create hostile or alienating environments for people.
Significant research has explored bias and fairness issues with language models (see, e.g., Sheng et al. (2021) and Bender et al. (2021)). Predictions generated by the model may include disturbing and harmful stereotypes across protected classes; identity characteristics; and sensitive, social, and occupational groups.
Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. More information needed for further recommendations.
The model craters note in the Github Repository
We train unsupervised SimCSE on 106 randomly sampled sentences from English Wikipedia, and train supervised SimCSE on the combination of MNLI and SNLI datasets (314k).
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The model craters note in the associated paper
Our evaluation code for sentence embeddings is based on a modified version of SentEval. It evaluates sentence embeddings on semantic textual similarity (STS) tasks and downstream transfer tasks. For STS tasks, our evaluation takes the "all" setting, and report Spearman's correlation. See associated paper (Appendix B) for evaluation details.
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Carbon emissions can be estimated using the Machine Learning Impact calculator presented in Lacoste et al. (2019).
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BibTeX:
@inproceedings{gao2021simcse,
title={{SimCSE}: Simple Contrastive Learning of Sentence Embeddings},
author={Gao, Tianyu and Yao, Xingcheng and Chen, Danqi},
booktitle={Empirical Methods in Natural Language Processing (EMNLP)},
year={2021}
}
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If you have any questions related to the code or the paper, feel free to email Tianyu ([email protected]) and Xingcheng ([email protected]). If you encounter any problems when using the code, or want to report a bug, you can open an issue. Please try to specify the problem with details so we can help you better and quicker!
Princeton NLP group in collaboration with Ezi Ozoani and the Hugging Face team
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Use the code below to get started with the model.
from transformers import AutoTokenizer, AutoModel
tokenizer = AutoTokenizer.from_pretrained("princeton-nlp/sup-simcse-roberta-large")
model = AutoModel.from_pretrained("princeton-nlp/sup-simcse-roberta-large")