Challenge: Currently, the framework supports text classification, sequence tagging, and seq2seq tasks.
Approach: They propose an open-source framework for active learning annotation in natural language processing that provides an easy-to-deploy GUI annotation tool directly in the Jupyter IDE.
Outcome: The proposed framework reduces computational overhead and duration of AL iterations and increases annotated data reusability.

Similar Papers

A Survey of Active Learning for Natural Language Processing (2022.emnlp-main)

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Challenge: Existing literature surveys on active learning for NLP are too specific or too general, covering deep active learning.
Approach: They propose to use active learning to improve model learning and annotation cost for NLP problems.
Outcome: The proposed approach is based on a large dataset of data-driven machine learning models.
ALANNO: An Active Learning Annotation System for Mortals (2023.eacl-demo)

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Challenge: Active learning (AL) is a special family of machine learning algorithms designed to reduce labeling costs and improve accuracy.
Approach: They developed an open-source annotation system for NLP tasks equipped with features to make AL effective in real-world annotation projects.
Outcome: ALANNO is an open-source annotation system for NLP tasks equipped with features to make AL effective in real-world annotation projects.
Active Learning for BERT: An Empirical Study (2020.emnlp-main)

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Challenge: Existing approaches to deal with data scarcity are active learning (AL) and pre-trained models are not being considered.
Approach: They propose to use active learning techniques to cope with data scarcity in binary text classification scenarios where the annotation budget is very small and the data is often skewed.
Outcome: The proposed methods improve BERT performance in binary text classification scenarios where the annotation budget is very small and the data is often skewed.
ActiveAnno: General-Purpose Document-Level Annotation Tool with Active Learning Integration (2021.naacl-demos)

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Challenge: Existing tools for document-level annotation lack document-based quality and flexibility.
Approach: a new annotation tool is being developed for industry and research use cases . a configurable user interface and a RESTful API are included . authors propose to use ACTIVEANNO as default for document-level annotation .
Outcome: ACTIVEANNO is an annotation tool for industry and research use cases.
ATGen: A Framework for Active Text Generation (2025.acl-demo)

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Challenge: Despite the surging popularity of natural language generation tasks, the application of active learning (AL) to NLG has been limited.
Approach: They propose a framework that bridges AL with text generation tasks and provides a unified platform for smooth implementation and benchmarking of novel AL strategies tailored to NLG tasks.
Outcome: The proposed framework simplifies AL-empowered annotation in NLG tasks using both human annotators and automatic annotation agents based on large language models (LLMs).
From Selection to Generation: A Survey of LLM-based Active Learning (2025.acl-long)

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Challenge: Large Language Models (LLMs) have been used for selection and training of data for active learning.
Approach: They propose an intuitive taxonomy that categorizes LLM-based active learning techniques and discuss the transformative roles they can play in the active learning loop.
Outcome: The proposed model can generate entirely new data instances and provide more cost-effective annotations with fewer labeled data instances.
TextBox: A Unified, Modularized, and Extensible Framework for Text Generation (2021.acl-demo)

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Challenge: TextBox is an open-source text generation framework that is modularized and extensible.
Approach: They propose to provide a unified, modularized, and extensible text generation framework that implements 21 text generation models on 9 benchmark datasets.
Outcome: The proposed framework implements 21 models on 9 benchmark datasets and is available under the Apache License 2.0 license.
FITAnnotator: A Flexible and Intelligent Text Annotation System (2021.naacl-demos)

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Challenge: In this paper, we introduce FITAnnotator, a generic web-based tool for efficient text annotation.
Approach: They propose a generic web-based tool for efficient text annotation.
Outcome: The proposed tool is based on a fully modular architecture and provides three kinds of interfaces to annotate instances, evaluate annotation quality and manage the annotation task for annotators, reviewers and managers.
Paladin: an annotation tool based on active and proactive learning (2021.eacl-demos)

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Challenge: Existing tools for active learning focus on the active learning algorithms and provide no user interface thus making it difficult to use for the end-users.
Approach: They present an open-source web-based annotation tool for creating high-quality multi-label document-level datasets that integrates active learning and proactive learning.
Outcome: The proposed tool is designed for multi-label annotation, but it can be adapted to other tasks in single-l Label settings.
Active Learning for Natural Language Generation (2023.emnlp-main)

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Challenge: Existing approaches to NLG are limited by the lack of annotated data.
Approach: They propose to use active learning to reduce the cost of manual annotation to improve annotation efficiency by selecting the most informative examples to label.
Outcome: The proposed approach surpasses baseline of random example selection in some cases but not in others.

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