Designing Informative Metrics for Few-Shot Example Selection (2024.findings-acl)
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| Challenge: | Pretrained language models (PLMs) have shown remarkable few-shot learning capabilities when provided with properly formatted examples. |
| Approach: | They propose a complexity-based prompt selection approach for sequence tagging tasks that uses certain metrics to align the syntactico-semantic complexity of test sentences and examples. |
| Outcome: | The proposed approach achieves state-of-the-art performance on few-shot NER, with 5% improvement in F1 score. |
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Reordering Examples Helps during Priming-based Few-Shot Learning (2021.findings-acl)
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| Challenge: | Existing methods for learning from limited data are not efficient . we show that presenting examples in the right order is key for generalization . |
| Approach: | They propose a method to learn from limited data using examples as prompts . they propose PERO, which uses examples as search over set of permutations . |
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Making Pre-trained Language Models Better Few-shot Learners (2021.acl-long)
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| Challenge: | Recent studies show that the GPT-3 model can perform few-shots on language understanding tasks with a natural-language prompt and a few task demonstrations. |
| Approach: | They propose a technique for fine-tuning language models using a few examples . they propose LM-BFF, which uses prompt-based fine-uning and a pipeline for automating prompt generation . |
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FewshotQA: A simple framework for few-shot learning of question answering tasks using pre-trained text-to-text models (2021.emnlp-main)
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| Challenge: | Existing pre-trained models need fine-tuning on tens of thousands of examples to achieve good results. |
| Approach: | They propose a framework that leverages pre-trained text-to-text models and aligns them with their pre-training framework. |
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Pre-trained Language Models Can be Fully Zero-Shot Learners (2023.acl-long)
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| Challenge: | Existing approaches to pre-trained language models require fine-tuning on labeled datasets or manually constructing proper prompts. |
| Approach: | They propose a nonparametric prompting PLM for fully zero-shot language understanding . they compare it to previous methods for text classification and text entailment . |
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Exploiting Language Model Prompts Using Similarity Measures: A Case Study on the Word-in-Context Task (2022.acl-short)
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| Challenge: | Existing few-shot approaches fail on the semantic distinction task of the Word-in-Context dataset. |
| Approach: | They propose a prompt-based approach which boosts few-shot performance to the level of fully supervised methods by using similarity metrics. |
| Outcome: | The proposed technique boosts few-shot performance to the level of fully supervised methods. |
Prompt-Based Metric Learning for Few-Shot NER (2023.findings-acl)
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| Challenge: | Existing metric learning methods do not fully incorporate label semantics into modeling. |
| Approach: | They propose a method to largely improve metric learning for few-shot named entity recognition (NER) a pre-defined category is a key natural language understanding task . |
| Outcome: | The proposed method outperforms the previous state-of-the-art (SOTA) method with 16 of 18 settings outperformed previous methods by 9.12% and 34.51% . |
Prompt-free and Efficient Few-shot Learning with Language Models (2022.acl-long)
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Rabeeh Karimi Mahabadi, Luke Zettlemoyer, James Henderson, Lambert Mathias, Marzieh Saeidi, Veselin Stoyanov, Majid Yazdani
| Challenge: | Existing methods for few-shot fine-tuning of pretrained language models require carefully engineered prompts and verbalizers to convert inputs into a cloze-format that the PLM can score. |
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| Outcome: | The proposed method outperforms existing state-of-the-art methods on a wide range of few shot NLP tasks. |
Skill-Based Few-Shot Selection for In-Context Learning (2023.emnlp-main)
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| Challenge: | Existing methods based on pre-trained embeddings can be easily biased by surface features that are not important for the target task. |
| Approach: | They propose a skill-based few-shot selection method for in-context learning . it generates skill-specific descriptions for each test case and candidate example . |
| Outcome: | The proposed method significantly outperforms existing methods in five cross-domain semantic parsing datasets and six backbone models. |
PromptRefine: Enhancing Few-Shot Performance on Low-Resource Indic Languages with Example Selection from related Example Banks (2025.naacl-long)
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| Challenge: | Large Language Models (LLMs) have demonstrated impressive few-shot learning capabilities through in-context learning. |
| Approach: | They propose a novel Alternating Minimization approach for example selection that improves ICL performance on low-resource Indic languages. |
| Outcome: | The proposed approach outperforms existing frameworks for retrieving examples on low-resource Indic languages. |
Systematic Analysis for Pretrained Language Model Priming for Parameter-Efficient Fine-tuning (2024.naacl-srw)
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| Challenge: | Parameter-efficient (PE) methods for adapting pre-trained language models to downstream tasks are still lacking in many cases. |
| Approach: | They propose a general PE priming framework to enhance few-shot adaptation and generalization ability of PE methods. |
| Outcome: | The proposed framework reveals that the best priming strategy facilitates adaptation to target tasks. |