Papers by Shuntaro Yada
QA-based Event Start-Points Ordering for Clinical Temporal Relation Annotation (2024.lrec-main)
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| Challenge: | Temporal relation annotation in the clinical domain is crucial but challenging due to its workload and the medical expertise required. |
| Approach: | They propose an annotation method that integrates event start-points ordering and question-answering as the annotation format. |
| Outcome: | The proposed method achieves a 0.72 F1 score and enables collaboration among medical experts and non-experts. |
Towards a Versatile Medical-Annotation Guideline Feasible Without Heavy Medical Knowledge: Starting From Critical Lung Diseases (2020.lrec-1)
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| Challenge: | Current annotation policies for medical corpora are not standardized across clinical texts of different types. |
| Approach: | They propose to annotate medical records of various types using a named entity recognition (NER) task. |
| Outcome: | The proposed annotation scheme is applicable to large-scale clinical NLP projects. |
Comparative evaluation of boundary-relaxed annotation for Entity Linking performance (2023.acl-long)
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| Challenge: | Entity Linking is a critical step for information extraction, allowing the retrieval and understanding of information from unstructured textual sources. |
| Approach: | They propose to use noisy datasets to generate noisy versions of annotated entity mentions and then train three Entity Linking models on this data. |
| Outcome: | The proposed model can be used to associate NE mentions to a single concept in an ontology, allowing for better indexing and relation extraction. |
JaMIE: A Pipeline Japanese Medical Information Extraction System with Novel Relation Annotation (2022.lrec-1)
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| Challenge: | Existing tools for analyzing medical information extraction are limited . empirical results show satisfactory analyzing performance . |
| Approach: | They propose a relation annotation schema for investigating medical and temporal relations in Japanese medical reports. |
| Outcome: | The proposed schema shows that it performs better than existing models and is feasible for high-accuracy applications. |
Exploring LLM Annotation for Adaptation of Clinical Information Extraction Models under Data-sharing Restrictions (2025.findings-acl)
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| Challenge: | In-hospital text data often contains valuable clinical information, yet fine-tuned small language models (SLMs) for information extraction remain challenging due to differences in formatting and vocabulary across institutions. |
| Approach: | They leverage large language models to annotate the target domain data for adaptation . they use in-hospital text data to extract clinical information . |
| Outcome: | The proposed model outperforms manual annotation on four clinical information extraction tasks with a larger number of annotated data. |
Offensive Language Detection on Video Live Streaming Chat (2020.coling-main)
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| Challenge: | a prototype of a live chat room that detects offensive expressions in live streaming chats is presented . offensive expression detection on social media platforms can provide more protection for users . |
| Approach: | They propose a live chat room that detects offensive expressions in live streaming chats in real time . they used a dataset from Twitch to analyze offensive expression patterns . |
| Outcome: | The proposed chat room detects offensive expressions in live streaming chats in real time. |
RecordTwin: Towards Creating Safe Synthetic Clinical Corpora (2025.findings-acl)
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| Challenge: | Existing methods to generate high-quality synthetic corpus from clinical documents require learning from the original clinical documents. |
| Approach: | They propose a method to generate synthetic corpus from clinical documents using a large language model. |
| Outcome: | The proposed method generates synthetic documents from in-hospital clinical documents. |
A Dataset for Pharmacovigilance in German, French, and Japanese: Annotating Adverse Drug Reactions across Languages (2024.lrec-main)
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Lisa Raithel, Hui-Syuan Yeh, Shuntaro Yada, Cyril Grouin, Thomas Lavergne, Aurélie Névéol, Patrick Paroubek, Philippe Thomas, Tomohiro Nishiyama, Sebastian Möller, Eiji Aramaki, Yuji Matsumoto, Roland Roller, Pierre Zweigenbaum
| Challenge: | Existing clinical corpora mostly revolves around scientific articles in English . existing literature is limited to only a few scientific articles . |
| Approach: | They propose to use user-generated data sources to uncover adverse drug reactions . existing clinical corpora mostly revolves around scientific articles in english . authors provide statistics to highlight certain challenges associated with the corpus . |
| Outcome: | The proposed corpus includes 12 entity types, four attribute types, and 13 relation types . it provides strong baselines for extracting entities and relations between entities . |