Roberta is a feminine version of the given names robert and roberto Roberta (a robustly optimized bert pretraining approach) is an improved version of bert designed to address its limitations It is a germanic name derived from the stems *hrod meaning famous, glorious, godlike and *berht meaning bright, shining, light.
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Roberta is an example of how training strategies can significantly affect the performance of deep learning models, even without architectural changes
By optimizing bert's original pretraining procedure, it achieves higher accuracy and improved language understanding across a wide range of nlp tasks.
We present a replication study of bert pretraining (devlin et al., 2019) that carefully measures the impact of many key hyperparameters and training data size We find that bert was significantly undertrained, and can match or exceed the performance of every model published after it. Roberta (short for “robustly optimized bert approach”) is an advanced version of the bert (bidirectional encoder representations from transformers) model, created by researchers at facebook ai. It is based on the original bert (bidirectional encoder representations from transformers) architecture but differs in several key ways.
It outperforms bert in various nlp benchmarks and tasks.
