Relation Extraction

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Overview

Relation extraction finds links such as causes, locations, interactions, and affiliations between entities or events, turning unstructured material into structured data for knowledge graphs and downstream analysis. Common approaches use supervised encoders and joint entity-relation models, while graph methods, large language model prompting or fine-tuning, and ontology constraints address document context, limited labels, and domain-specific schemas. Evaluation spans sentence-level benchmarks such as SemEval and FewRel, document-level datasets such as DocRED, and specialized biomedical, historical, financial, and multimodal settings. A central challenge is reliable generalization: systems may recognize a relation yet miss its exact spans, implicit evidence, or direction, and reported performance can depend on annotation completeness and evaluation rules.

Latest papers

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82 papers16 papers in the last four weeks, up 167% on the four weeks before. 0.1% of all new papers.

  1. Xing USP: A Cross-Family Semantic Contract for Information Extraction and Intent-Slot Parsing

    Oct 25, 2026Zhongqiu Li, Boyang Wang, Ruiyu Fang +17Semantic ParsingDocument Information Extraction

    Xingchen AGI Lab, China Telecom Artificial Intelligence Technology (Beijing) Co., Ltd · State Key Laboratory of Human-Machine Hybrid Augmented Intelligence, Institute of Artificial Intelligence and Robotics, Xi’an Jiaotong University

  2. Every Edge Needs a Quote: Building a Quote-Grounded Knowledge Graph of Healthcare Software Adoption with Language-Model Agents

    Oct 23, 2026Juan Felipe Duran, Arthur Tobler, Martin VallièresKG ConstructionRelation Extraction

    Medical Physics Unit, Department of Oncology McGill University, Montreal, Canada · Toboggan Labs Montreal, Canada

  3. Overview of CHIP 2026 Shared Task 1: Patient-Specific Phenotype Concept Recognition in Full-Text Biomedical Literature

    Oct 21, 2026Xuanlyu Zhu, Feng Tian, Yang Zhong +6Clinical Information ExtractionRelation Extraction

    1Dalian University of Technology, Dalian 116023, Liaoning, China · 2Xiangya School of Medicine, Central South University, Changsha 410013, Hunan, China

  4. Decomposed Relation Extraction from Aviation Accident Narratives: Evaluating Transformer-Based Safety Knowledge Discovery under Relational Sparsity

    Oct 19, 2026Aziida Nanyonga, Mustafa Tahsin Yilmaz, Saad Ezzini +2Relation ExtractionDocument Information Extraction

    SDAIA-KFUPM Joint Research Center for Artificial Intelligence, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia · Department of Industrial Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia · Department of Information and Computer Science, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia +1

  5. A Multi-granularity Interaction Network for Relational Triple Extraction

    Oct 18, 2026Xiaocheng Luo, Yanping Chen, Zaifu ZhanRelation ExtractionFeature Interaction Modeling

    School of Computer Science and Technology, Soochow University, Suzhou, 215006, Jiangsu, PR China · State Key Laboratory of Public Big Data, College of Computer Science and Technology, Guizhou University, Guiyang, 550025, Guizhou, PR China · Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, 55455, MN, USA

  6. HeRE: A Novel Benchmark for Hebrew Relation Extraction via LLM-Guided Denoising of Knowledge Graph Alignments

    Oct 15, 2026Ron Keinan, Amir David Nissan Cohen, Reut TsarfatyKG Entity AlignmentRelation Extraction

    Bar-Ilan University · Origin AI

  7. FinGREAT: Evaluating LLMs on Financial Graph-guided Retrieval And Typing

    Oct 13, 2026Ashman Mehra, Bryan Routledge, Jane JaeYeon Pyo +1Relation ExtractionLLM Evaluation

    School of Computer Science, AI Accounting Lab, Carnegie Mellon University · Tepper School of Business, AI Accounting Lab, Carnegie Mellon University

  8. Evaluating Temporal Reasoning in Large Language Models: Event Temporal Relation Extraction with Allen's Interval Algebra, Logical Consistency, and Relative Time in Narratives

    Oct 12, 2026Adib Sakhawat, Fardeen Sadab, Tamjid Hasan Fahim +9Temporal Reasoning in Language ModelsRelation Extraction

    Islamic University of Technology, Gazipur, Bangladesh · Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh

  9. Calibrated Typed Decisions for Entity, Relation, and Event Extraction

    Oct 12, 2026Yang Wang, Hanlin Xiao, Yanan Ma +2Event ExtractionDocument Information Extraction

    University of Manchester · Mayo Clinic · Shanghai University of Finance and Economics

  10. Ontology-Based Post-Coordinated Expression Assembly: from Clinical Narrative to Queryable Knowledge Graphs

    Oct 12, 2026Johann Pignat, Christophe Gaudet-Blavignac, Julien Ehrsam +7KG ConstructionClinical Information Extraction

    Service des sciences de l’information médicale, Hôpitaux Universitaires de Genève, Geneva, Switzerland · Service d’oncologie de précision, Hôpitaux Universitaires de Genève, Geneva, Switzerland

  11. Agent-Guided Evidence Acquisition for Emotion-Cause Pair Extraction

    Oct 10, 2026Zhuangzhuang Pan, Yan Xia, Chee Seng ChanEvidence SelectionRelation Extraction

    Universiti Malaya, Malaysia · Suzhou University of Technology, China · VinUniversity, Vietnam

  12. Evaluating Semantic Relation Knowledge through Bidirectional Relation Prediction from Gloss Pairs

    Oct 10, 2026Zhihan Cao, Adam Nohejl, Hitomi YanakaRelation ExtractionFactual Knowledge in Language Models

    The University of Tokyo · RIKEN · Tohoku University

  13. U4RASD at KnowledgeGraphEval-2026: Ontology-Constrained Encoder and LLM Systems for Arabic Relation Extraction

    Oct 8, 2026Ahmad Abbas, Hussein Mazeh, Chadi Abou Chakra +3Relation ExtractionArabic NLP

    Arab Center for Research and Policy Studies, Doha · American University of Beirut, Beirut, Lebanon

  14. Shrome at Touché: Soft-Vote Ensembling and Counter-Causal Augmentation for Causality Extraction

    Oct 2, 2026Roham Zendehdel Nobari, Shayan SooratgarRelation Extraction

    Department of Computational Linguistics, University of Zurich, Switzerland

  15. LLM-Assisted Discovery of Typed Semantic Links for Ontology Network Construction

    Oct 1, 2026Nouha Hayouni, Sheeba Samuel, Alsayed AlgergawyRelation ExtractionKG Construction

    Chair of Data and Knowledge Engineering, University of Passau, Germany · Distributed and Self-organizing Systems, Chemnitz University of Technology, Germany

  16. Overlap, Unique and Conflict: Can LLMs Extract What They Can Recognize?

    Sep 30, 2026Eftekhar Hossain, Santu KarmakerLLM Information ExtractionRelation Extraction

  17. CMNIE: An Information Extraction Benchmark for Chinese Military News

    Sep 9, 2026Yan Yu, Mengna Zhu, Zhenyu Song +3Relation ExtractionEvent Extraction

    Laboratory for Big Data and Decision, National University of Defense Technology, Changsha, China

  18. Event Interaction in Low-Rank Bottlenecks for Temporal Relation Extraction

    Sep 6, 2026Wei Sun, Tingyu Qu, Jesse Davis +1Relation ExtractionFeature Interaction Modeling

    Department of Computer Science, KU Leuven Celestijnenlaan 200A 3001 Heverlee, Belgium

  19. TWIX: a Two-Stage Approach for End-To-End Named Entity Recognition and Relation Extraction

    Sep 1, 2026Marco Martinelli, Laura MenottiRelation ExtractionNamed Entity Recognition

    Department of Information Engineering, University of Padova, Padova, Italy

  20. Automated Tree Knowledge Graph Construction using Ontology Expansion and Retrieval from Vietnamese History Textbooks

    Sep 1, 2026Ket Doan Nguyen, Minh N. H. NguyenRelation ExtractionKG Construction

    The University of Danang, Vietnam-Korea University of Information and Communication Technology, Danang, Vietnam

  21. Ranked by the Matcher: A Reproducibility Audit of Knowledge Graph Extraction from Threat Reports

    Sep 1, 2026Safayat Bin Hakim, Houbing Herbert SongKnowledge GraphsKG Construction

    University of Maryland, Baltimore County Baltimore, Maryland, USA

  22. Configurable Semantic Chunking for Biomedical Information Extraction in Retrieval-Augmented Generation

    Aug 31, 2026Riya Ahuja, Tim Kacprowski, Roya Shiasi SardoabiRelation ExtractionDocument Chunking

    Institute of Data Science in Biomedicine, TU Braunschweig, Braunschweig, Germany · Braunschweig Integrated Centre of Systems Biology, TU Braunschweig, Braunschweig, Germany

  23. Ontology-Driven Structural Regularization for Document-Level Relation Extraction

    Aug 21, 2026Laura Menotti, Stefano Marchesin, Gianmaria SilvelloRelation ExtractionConsistency Regularization

    Department of Information Engineering, University of Padua, Italy

  24. MUSE: A Full-Text Cross-Domain Knowledge Base of Scientific Problems, Solutions, and Rationales

    Aug 11, 2026Tsofia Cohen, Tom HopeRelation ExtractionKG Construction

    The Hebrew University of Jerusalem · Allen Institute for AI (Ai2)

  25. UG-UMRE: Uncertainty-Guided Modality Augmentation and Distributional Calibration for Unified Multimodal Relation Extraction

    Aug 5, 2026Bo Kong, Liruiz Jia, Yi Liang +5Relation ExtractionCross-Modal Alignment

    Xinjiang University · Urumqi, China · Chongqing Jiaotong University +1

  26. Causal Evidence Extraction and Triangulation in Crisis Reports using Large Language Models: A ReliefWeb-based Study

    Aug 5, 2026Yuanjun Zhang, Mourad OussalahRelation ExtractionLLM Grounding

    University of Oulu, Finland · LUT University, Finland

  27. ANCHOR-RE: An Agentic Biomedical Relation Extraction Framework with Retrieval Augmentation and Error-Driven Verification

    Aug 4, 2026Shufan Ming, Yikun Han, Gibong Hong +2Relation ExtractionLLM Grounding

    School of Information Sciences, University of Illinois Urbana-Champaign, 501 E Daniel St., Champaign, 61820, IL, USA · Division of Computational Health Sciences, Department of Surgery, University of Minnesota, 516 Delaware St SE, Minneapolis, 55455, MN, USA

  28. ProPRL: Property-Aware Prerequisite Relation Learning in Educational Knowledge Graphs

    Aug 4, 2026Xinghe Cheng, Jiapu Wang, Chaobo He +2Relation ExtractionGraph Representation Learning

    1Jinan University · 2Nanjing University of Science and Technology · 3South China Normal University +1

  29. Generation or Judgement? A Paradigm Perspective on LLM-Based Emotion-Cause Pair Extraction in Conversation

    Jul 29, 2026Weijie Feng, Hongchuang Wang, Binbin Liu +1Relation ExtractionEmotion Recognition in Conversations

    Hefei University of Technology

  30. LLM-Assisted Ontology Engineering and Construction of a French Legal Knowledge Graph

    Jul 27, 2026G{é}nesis Montenegro, Mokhtar Boumedyen Billami, Catherine Faron +2Relation ExtractionKG Construction

    WIMMICS · Université Côte d’Azur, Inria, CNRS, I3S, Sophia-Antipolis, France · Berger-Levrault, Labège, France