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Example of Permuted Language Modeling with a Shuffled Sentence
This example illustrates a permuted language modeling task where the input is a single, completely shuffled sentence. Given the context [C], the model receives the disordered sequence . kitten the chasing The is ball. The objective is to reconstruct the original, grammatically correct sentence: 'The kitten is chasing the ball .'.
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Ch.1 Pre-training - Foundations of Large Language Models
Foundations of Large Language Models
Foundations of Large Language Models Course
Computing Sciences
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Example of an Indexed Sentence with Non-Sequential Order
Example of a Sequentially Indexed Sentence
Example of a Permuted Sentence with Non-Sequential Indexing
Example of Permuted Language Modeling with a Shuffled Sentence
Consider two different training objectives for a language model. In Objective 1, the model learns by predicting a few randomly obscured words in a sentence, using all the other visible words as context. In Objective 2, the model is given a sentence's words in a randomly shuffled order and must predict them one by one according to that shuffled sequence, only using the words that have already appeared in that sequence as context. Which of the following statements best analyzes the key advantage of Objective 2?
A language model is trained using an objective where it predicts words from an input sentence one by one, but in a randomly shuffled order. For the sentence 'The quick brown fox', the model is given the prediction order [3, 1, 4, 2], corresponding to the original word positions. Arrange the following prediction tasks in the correct sequence that the model would perform.
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Encoding Process in Permuted Language Modeling
Example of Permuted Language Modeling
Learn After
A language model is given a training task where it must reconstruct the original, grammatically correct sentence from a version where all the words and punctuation have been randomly shuffled. If the model receives the input sequence
ate mouse cheese the The ., which of the following is the correct output it should produce?Learning Objectives of a Sentence Reconstruction Task
Evaluating Reconstruction Difficulty