Challenge: Generative large language models (LLMs) have significantly influenced various aspects of society, reshaping how we access and interact with information and knowledge.
Approach: They propose a pre-training task that helps BERT-family excel in wider applications . they also explore the integration of cutting-edge technologies into their models to further enhance their capabilities.
Outcome: The proposed model exhibits performance levels comparable to current SOTA LLMs across a spectrum of tasks.

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Data and Model Centric Approaches for Expansion of Large Language Models to New languages (2025.emnlp-tutorials)

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Challenge: Existing LLMs mainly support English alongside a handful of high resource languages . this leaves a major gap for most low-resource languages despite increasing pace of research .
Approach: This tutorial examines approaches to expand the language coverage of LLMs . they look at tokenizer training, pre-training, instruction tuning, alignment, evaluation, etc.
Outcome: This tutorial examines approaches to expand the language coverage of LLMs . it provides an efficient and viable path to bring LLM technologies to low-resource languages .
Best Practices for Distilling Large Language Models into BERT for Web Search Ranking (2025.coling-industry)

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Challenge: Recent studies have highlighted the potential of Large Language Models (LLMs) as zero-shot relevance rankers.
Approach: They propose to use a ranking loss to transfer ranking knowledge from LLMs to smaller models like BERT.
Outcome: The proposed model has been successfully integrated into a commercial web search engine as of February 2024.
Adaptation of Large Language Models (2025.naacl-tutorial)

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Challenge: a tutorial on adaptation of large language models addresses the growing demand for models that go beyond static capabilities.
Approach: This tutorial will provide an overview of dynamic, domain-specific, and task-adaptive LLM adaptation techniques.
Outcome: This tutorial will outline dynamic, domain-specific, and task-adaptive LLM adaptation techniques.
Trained on 100 million words and still in shape: BERT meets British National Corpus (2023.findings-eacl)

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Challenge: masked language models are trained on ever larger corpora, but pre-training on a modestly-sized but representative, well-balanced, and publicly available corpus can reach better performance than the original BERT model.
Approach: They propose an optimized LM architecture called LTG-BERT that can be used to train a competitive language model on a small and standardizable corpus.
Outcome: The proposed architecture outperforms the original English BERT model on a representative, well-balanced and publicly available corpus.
Scaling Laws for BERT in Low-Resource Settings (2023.findings-acl)

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Challenge: Large language models require huge training corpora, which is unobtainable for most NLP practitioners.
Approach: They propose power-law formulas that relate model size, corpora size and computation power to find the optimal settings in advance given a fixed budget.
Outcome: The proposed models perform better on MLM and NLU tasks on four languages of different linguistic characteristics.
Large Language Models as Foundations for Next-Gen Dense Retrieval: A Comprehensive Empirical Assessment (2024.emnlp-main)

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Challenge: Pre-trained language models have limited generalization capabilities and performance challenges.
Approach: They evaluate 15 different backbone LLMs and non-LLMs to evaluate their performance . larger models and extensive pre-training consistently enhance in-domain accuracy and data efficiency .
Outcome: The results show that larger models and extensive pre-training enhance in-domain accuracy and data efficiency.
How Do Large Language Models Capture the Ever-changing World Knowledge? A Review of Recent Advances (2023.emnlp-main)

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Challenge: Large language models (LLMs) are impressive in solving tasks, but they can quickly be outdated after deployment.
Approach: They provide a review of recent advances in aligning deployed large language models with the ever-changing world knowledge.
Outcome: The proposed models can be used to perform various tasks directly through in-context learning or for further fine-tuning for domain-specific uses.
Do BERT-Like Bidirectional Models Still Perform Better on Text Classification in the Era of LLMs? (2025.findings-emnlp)

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Challenge: Rapid adoption of LLMs has overshadowed the potential advantages of traditional BERT-like models in text classification.
Approach: They compare BERT-like models fine-tuning, LLM internal state utilization, and LLM zero-shot inference across six datasets.
Outcome: The proposed method outperforms LLMs on six challenging datasets.
Enhancing LLM Capabilities Beyond Scaling Up (2024.emnlp-tutorials)

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Challenge: general-purpose large language models (LLMs) are expanding in scale and access to unpublic training data.
Approach: This tutorial aims to examine the capabilities of general-purpose large language models . authors discuss adaptation of LLMs to address conflicts, defense against attacks .
Outcome: This tutorial aims to examine the evolution of general-purpose large language models (LLMs) the authors argue that the evolution is dependent on the availability of training data and the scale of the models.
Symbol-LLM: Towards Foundational Symbol-centric Interface For Large Language Models (2024.acl-long)

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Challenge: Large Language Models (LLMs) have limitations when it comes to comprehending and expressing world knowledge that extends beyond the boundaries of natural language.
Approach: They propose a model that integrates symbolic data into LLM training without loss of generality ability.
Outcome: The proposed model performs better on symbol- and NL-centric tasks.

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