Have LLMs Made Active Learning Obsolete? Surveying the NLP Community

• URL: http://arxiv.org/abs/2503.09701v1
• Date: Wed, 12 Mar 2025 18:00:04 GMT
• Title: Have LLMs Made Active Learning Obsolete? Surveying the NLP Community
• Authors: Julia Romberg, Christopher Schröder, Julius Gonsior, Katrin Tomanek, Fredrik Olsson,
• Abstract summary: Supervised learning relies on annotated data, which is expensive to obtain.<n>Large language models have pushed the effectiveness of active learning, but have also improved methods such as few- or zero-shot learning.<n>This raises the question: has active learning become obsolete?
• Score: 7.99984266570379
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Supervised learning relies on annotated data, which is expensive to obtain. A longstanding strategy to reduce annotation costs is active learning, an iterative process, in which a human annotates only data instances deemed informative by a model. Large language models (LLMs) have pushed the effectiveness of active learning, but have also improved methods such as few- or zero-shot learning, and text synthesis - thereby introducing potential alternatives. This raises the question: has active learning become obsolete? To answer this fully, we must look beyond literature to practical experiences. We conduct an online survey in the NLP community to collect previously intangible insights on the perceived relevance of data annotation, particularly focusing on active learning, including best practices, obstacles and expected future developments. Our findings show that annotated data remains a key factor, and active learning continues to be relevant. While the majority of active learning users find it effective, a comparison with a community survey from over a decade ago reveals persistent challenges: setup complexity, estimation of cost reduction, and tooling. We publish an anonymized version of the collected dataset

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