| ULD-NUIG at Social Media Mining for Health Applications (#SMM4H) Shared Task 2021 | Jun 1, 2021 | named-entity-recognitionNamed Entity Recognition | —Unverified | 0 | 0 |
| UlyssesNER-Br: A Corpus of Brazilian Legislative Documents for Named Entity Recognition | Mar 16, 2022 | Decision MakingInformation Retrieval | —Unverified | 0 | 0 |
| UM6P-CS at SemEval-2022 Task 11: Enhancing Multilingual and Code-Mixed Complex Named Entity Recognition via Pseudo Labels using Multilingual Transformer | Apr 28, 2022 | named-entity-recognitionNamed Entity Recognition | —Unverified | 0 | 0 |
| UMLS-KGI-BERT: Data-Centric Knowledge Integration in Transformers for Biomedical Entity Recognition | Jul 20, 2023 | Document Classificationnamed-entity-recognition | —Unverified | 0 | 0 |
| Uncertainty-aware Self-training for Low-resource Neural Sequence Labeling | Feb 17, 2023 | named-entity-recognitionNamed Entity Recognition | —Unverified | 0 | 0 |
| Un corpus libre, \'evolutif et versionn\'e en entit\'es nomm\'ees du Fran (A free, evolving and versioned french named entity recognition corpus) | Jul 1, 2019 | Articlesnamed-entity-recognition | —Unverified | 0 | 0 |
| Uncovering Conspiratorial Narratives within Arabic Online Content | Apr 18, 2025 | named-entity-recognitionNamed Entity Recognition | —Unverified | 0 | 0 |
| UNER: Universal Named-Entity RecognitionFramework | Oct 23, 2020 | Knowledge Graphsnamed-entity-recognition | —Unverified | 0 | 0 |
| UNH at SemEval-2019 Task 12: Toponym Resolution in Scientific Papers | Jun 1, 2019 | named-entity-recognitionNamed Entity Recognition | —Unverified | 0 | 0 |
| UniEX: An Effective and Efficient Framework for Unified Information Extraction via a Span-extractive Perspective | May 17, 2023 | Event Extractionnamed-entity-recognition | —Unverified | 0 | 0 |
