Learn Before
What is BERT?
BERT's Contributions and Impact
BERT is recognized as a milestone model in NLP that has inspired significant subsequent research. Its key contributions include demonstrating the importance of bidirectional pre-training for language representations, which was enabled by the masked language model. BERT also showed that pre-trained representations reduce the need for heavily-engineered, task-specific architectures. It was the first fine-tuning based representation model to achieve state-of-the-art performance on a wide range of sentence-level and token-level tasks, advancing the state of the art for eleven NLP tasks.
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Data Science
Ch.1 Pre-training - Foundations of Large Language Models
Foundations of Large Language Models
Foundations of Large Language Models Course
Computing Sciences
Related
BERT Experiments
BERT&GPT and Fine Tuning
BERT Input Representation: Single and Paired Sentences
BERT's Contributions and Impact
Training Objective of the Standard BERT Model
Learn After
A research team is developing a new language model. They are debating between two pre-training approaches:
- Approach A: The model is trained to predict the next word in a sequence, having only seen the words that came before it.
- Approach B: The model is trained to predict a randomly hidden word in a sequence, using all other words in the sequence (both before and after the hidden word) as context.
Based on the key innovations that led to significant performance improvements across a wide range of natural language processing tasks, which approach is more likely to produce a powerful, general-purpose language representation, and why?