| Challenge: | Existing annotation tools do not consider post-annotation quality analysis due to inter-annotator disagreement. |
| Approach: | They propose a lightweight but efficient open-source tool for text span annotation that can be used for collaborative user annotation and administrator evaluation and analysis. |
| Outcome: | The proposed system reduces the annotation time by half compared with existing tools and the time can be compressed by 16.47% through intelligent recommendation. |
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| Challenge: | a new annotation tool is designed to fill the niche of a lightweight interface for terminal users . current tools are built with direct manipulation via a Graphical User Interface (GUI) this approach is time-consuming and difficult to modify . |
| Approach: | They propose a terminal-based annotation tool that supports multiple annotations . they use a text-based interface that uses almost the entire screen to display documents . |
| Outcome: | The proposed tool is designed to fill the niche of a lightweight interface for users with a terminal-based workflow. |
DoTAT: A Domain-oriented Text Annotation Tool (2022.acl-demo)
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| Challenge: | DoTAT is a domain-oriented text annotation tool that can reduce the time for event annotation by 19.7% . the tool supports multi-person collaborative process with automatically merging and review . |
| Approach: | They propose a domain-oriented text annotation tool called DoTAT . it provides multi-person collaborative process with automatic merging and review . |
| Outcome: | The proposed tool can reduce the time for event annotation by 19.7% compared with existing tools. |
Semantic Span Annotation: An Exploratory Study of LLM Annotation (2026.acl-srw)
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| Challenge: | Structured span extraction research is siloed by context length, annotation task, and domain . Identifying a span within a natural language text and affixing it with a semantic label has been considered a core task in NLP . |
| Approach: | They propose a framework for structured span annotation that integrates five datasets under a common JSONL format with character-level offsets. |
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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. |
TextAnnotator: A UIMA Based Tool for the Simultaneous and Collaborative Annotation of Texts (2020.lrec-1)
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| Challenge: | Existing annotation tools are not efficient for the annotation of corpora and are not error-free. |
| Approach: | They propose to extend existing annotation tools by evaluating their flexibility and efficiency. |
| Outcome: | The proposed system performs platform-independent multimodal annotations and annotates complex textual structures. |
LightTag: Text Annotation Platform (2021.emnlp-demo)
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| Challenge: | LightTag is a text annotation tool built on the premise of global optimization by addressing annotator as well as project managers and data scientists who manage the work and enforce production quality. |
| Approach: | They propose to use LightTag to optimize the global NLP process by addressing annotators as well as project managers and data scientists who manage the work and enforce production quality. |
| Outcome: | The proposed tool is based on the theory of constraints and is available for free for academic use. |
Thresh: A Unified, Customizable and Deployable Platform for Fine-Grained Text Evaluation (2023.emnlp-demo)
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| Challenge: | Existing tools for fine-grained human evaluation lack adaptability to different domains or languages, or modify annotation settings according to user needs. |
| Approach: | They propose a unified platform for fine-grained evaluation that is customizable and deployable with a single YAML configuration file. |
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FALTE: A Toolkit for Fine-grained Annotation for Long Text Evaluation (2022.emnlp-demos)
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| Challenge: | Existing tools to evaluate long text outputs are lacking in the field of NLP . human rating and error analysis remains a crucial component for any evaluation of long text generation. |
| Approach: | They propose a web-based toolkit to collect fine-grained error annotations for long texts . they use a taxonomy to identify errors and assign them to text spans . |
| Outcome: | The proposed tool can be used to evaluate the coherence of long generated summaries. |
A Web-based Collaborative Annotation and Consolidation Tool (2020.lrec-1)
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| Challenge: | Annotation tools have a rigid structure, closed back-end and front-end, and are built in a non-user-friendly way rendering them unusable for a large cohort. |
| Approach: | They propose a web-based collaborative annotation and consolidation tool (AWOCATo) that supports varied textual formats and allows users to easily adapt to the annotation task. |
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Tools Impact on the Quality of Annotations for Chat Untangling (2021.acl-srw)
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| Challenge: | Creating annotated datasets is time-consuming and expensive . a tool that minimizes task load and facilitates the annotation process is lacking in studies on how it influences annotation quality. |
| Approach: | They propose to use SLATE and Parlay to improve annotation quality for a task of chat-untangling. |
| Outcome: | The proposed tool improves the user experience for the task of chatuntangling. |