mlsanityData to 7 Oct 2026

Active Learning Over Multiple Domains in Natural Language Tasks

arXiv 2202.00254 ↗First posted 1 Feb 2022cs.CL cs.LGcited by 11

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Abstract (arXiv)

Studies of active learning traditionally assume the target and source data stem from a single domain. However, in realistic applications, practitioners often require active learning with multiple sources of out-of-distribution data, where it is unclear a priori which data sources will help or hurt the target domain. We survey a wide variety of techniques in active learning (AL), domain shift detection (DS), and multi-domain sampling to examine this challenging setting for question answering and sentiment analysis. We ask (1) what family of methods are effective for this task? And, (2) what properties of selected examples and domains achieve strong results? Among 18 acquisition functions from 4 families of methods, we find H-Divergence methods, and particularly our proposed variant DAL-E, yield effective results, averaging 2-3% improvements over the random baseline. We also show the importance of a diverse allocation of domains, as well as room-for-improvement of existing methods on both domain and example selection. Our findings yield the first comprehensive analysis of both existing and novel methods for practitioners faced with multi-domain active learning for natural language tasks.

Key facts. Cited by 11 papers in the map (data through 7 Oct 2026). Builds on 33 of its 54 references that are in the map. First posted on arXiv 1 Feb 2022.

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33 of 54 references.

References · 33

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21 more
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Citing papers per year: 2022: 2; 2023: 6; 2024: 1; 2025: 2.

11 papers.