Challenge: Existing methods for fine-tuning text classification models are resource-intensive and require substantial computational power and time.
Approach: They propose a corpus-driven domain mapping pipeline that integrates pre-fine-tuned models from Hugging Face Model Hub into AutoML systems to improve model selection.
Outcome: The proposed pipeline improves model selection and streamlines workflows and reduces computational costs.

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Don’t Stop Pretraining: Adapt Language Models to Domains and Tasks (2020.acl-main)

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Challenge: Language models prerained on text from a wide variety of sources form the foundation of today’s NLP.
Approach: They propose to tailor a pretrained model to the domain of a target task by using domain-adaptive pretraining in-domain.
Outcome: The proposed model can be tailored to the domain of a target task and perform well under both high- and low-resource settings.
Cost-effective Selection of Pretraining Data: A Case Study of Pretraining BERT on Social Media (2020.findings-emnlp)

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Challenge: Recent studies show that domain-specific BERT models can be improved when in-domain data is used for pretraining.
Approach: They propose to use Twitter and forum text as pretraining sources for two BERT models and use similarity measures to nominate in-domain data for pretraining.
Outcome: The proposed method can be used to improve performance on downstream tasks by using in-domain data.
Go Simple and Pre-Train on Domain-Specific Corpora: On the Role of Training Data for Text Classification (2020.coling-main)

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Challenge: Pre-trained language models provide the foundations for state-of-the-art performance across a wide range of natural language processing tasks, including text classification.
Approach: They compare the performance of a linear classifier based on word embeddings with a pre-trained language model, i.e., BERT, across a wide range of datasets and classification tasks.
Outcome: The proposed method outperforms baselines in standard datasets with large training sets, but in settings with small training datasets it performs better.
Automatic Document Selection for Efficient Encoder Pretraining (2022.emnlp-main)

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Challenge: Pretraining language models is expensive and data-intensive, but can it be improved? Several studies have found that directly pretraining on task data is more effective .
Approach: They propose to automatically identify smaller yet domain-representative subsets by pretraining a model on a target domain.
Outcome: The proposed method outperforms random selection on perplexity and downstream tasks with 20x less data and 3x fewer training iterations and 2x less estimated cloud compute cost.
Fusing Label Embedding into BERT: An Efficient Improvement for Text Classification (2021.findings-acl)

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Challenge: Existing methods to improve text classification performance of pre-trained models have been used to improve their performance.
Approach: They propose a method for improving BERT's performance by using a label embedding technique while keeping almost the same computational cost.
Outcome: The proposed method improves BERT's performance on six text classification benchmark datasets while keeping almost the same computational cost.
RecGPT: Generative Pre-training for Text-based Recommendation (2024.acl-short)

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Challenge: Existing models for text-based recommendation lack data sparsity and flexibility to capture fluctuations in user preferences over time.
Approach: They present the first domain-adapted and fully-trained large language model for text-based recommendation.
Outcome: The proposed model outperforms baseline models on rating prediction and sequential recommendation tasks.
Complicate Then Simplify: A Novel Way to Explore Pre-trained Models for Text Classification (2022.coling-1)

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Challenge: Existing frameworks for text classification employing pre-trained models are constrained by the difficulty of the task.
Approach: They propose a framework which implements a two-stage training strategy to fully exploit the knowledge in pre-trained models.
Outcome: The proposed framework outperforms state-of-the-art classification models on six text classification corpora.
Towards Simple and Efficient Task-Adaptive Pre-training for Text Classification (2022.aacl-short)

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Challenge: Large-scale pre-trained language models are extensively trained on massive heterogeneous datasets, known as pre-training datasets.
Approach: They propose to use Domain Adaptive Pre-training and Task-Adaptive pre-training as intermediate steps before the final finetuning task to cover the target domain vocabulary.
Outcome: The proposed approach is computationally efficient, with 78% fewer parameters trained during TAPT.
Unsupervised Domain Adaptation of Contextualized Embeddings for Sequence Labeling (D19-1)

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Challenge: Contextualized word embeddings are becoming a ubiquitous component of natural language processing.
Approach: They propose a domain-adaptive fine-tuning approach to pretrain on unlabeled text . they test this approach on sequence labeling in two challenging domains .
Outcome: The proposed approach improves on sequence labeling in two domains: Early Modern English and Twitter.
Adapt-and-Distill: Developing Small, Fast and Effective Pretrained Language Models for Domains (2021.findings-acl)

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Challenge: Large pre-trained models suffer from domain shift and are not optimal for specific domains.
Approach: They propose a general approach to developing small, fast and effective pretrained models for specific domains by adapting off-the-shelf general pretrained model and performing task-agnostic knowledge distillation in target domains.
Outcome: The proposed approach achieves better performance over the BERT BASE model in domain-specific tasks while 3.3 smaller and 5.1 faster than the BRT BASE.

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