KG Construction

KG: Knowledge Graph

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Overview

Knowledge graph construction studies how to turn information from documents, databases, tables, and images into connected, queryable facts. Methods combine named-entity and relation extraction, entity linking and deduplication, and schema or ontology design; newer systems also use large language models and agents, often with expert review and symbolic validation. Provenance, confidence, temporal context, and incremental updates help keep graphs auditable and useful for tasks such as scientific search, clinical reasoning, and question answering. A central challenge is balancing coverage, accuracy, consistency, and construction cost: flexible extraction can capture more information, but schemas, canonicalization, and evidence checks are needed to prevent unsupported or mismatched facts.

Latest papers

CardsList

197 papers20 papers in the last four weeks, up 18% on the four weeks before. 0.1% of all new papers.

  1. MMCOMET: A Large-Scale Multimodal Commonsense Knowledge Graph for Contextual Reasoning

    Mar 1, 2026Eileen Wang, Hiba Arnaout, Dhita Pratama +6Commonsense ReasoningVisual Storytelling

    University of Sydney Sydney, Australia · Technische Universität Darmstadt Darmstadt, Germany · University of Melbourne Melbourne, Australia +2

  2. SSKG Hub: An Expert-Guided Platform for LLM-Empowered Sustainability Standards Knowledge Graphs

    Feb 28, 2026Chaoyue He, Xin Zhou, Xinjia Yu +10KG Construction

    Alibaba-NTU Global e-Sustainability CorpLab (ANGEL), Singapore · Alibaba Group, China

  3. Coverage-Aware Web Crawling for Domain-Specific Supplier Discovery via a Web--Knowledge--Web Pipeline

    Feb 27, 2026Yijiashun Qi, Yijiazhen Qi, Tanmay WaghSupply Chain ManagementKG Construction

    University of Michigan Ann Arbor, USA · The University of Hong Kong Hong Kong, China · Santa Clara University Santa Clara, USA

  4. The Climate Change Knowledge Graph: Supporting Climate Services

    Feb 23, 2026Miguel Ceriani, Fiorela Ciroku, Alessandro Russo +5Knowledge GraphsKG Construction

    CNR - Institute of Cognitive Sciences and Technologies, Italy · Met Office, UK

  5. Hyper-KGGen: A Skill-Driven Knowledge Extractor for High-Quality Knowledge Hypergraph Generation

    Feb 23, 2026Rizhuo Huang, Yifan Feng, Rundong Xue +5KG ConstructionDocument Information Extraction

    Xi’an Jiaotong University State Key Laboratory of Human-Machine Hybrid Augmented Intelligence, Institute of Artificial Intelligence and Robotics Xi’an, China · Tsinghua University Beijing, China · Shanghai University Shanghai, China +1

  6. Instructor-Aligned Knowledge Graphs for Personalized Learning

    Feb 19, 2026Abdulrahman AlRabah, Priyanka Kargupta, Jiawei Han +1Personalized LearningKG Construction

    University of Illinois Urbana-Champaign, Siebel School of Computing and Data Science, Urbana, IL, USA

  7. Retrieval Augmented Generation of Literature-derived Polymer Knowledge: The Example of a Biodegradable Polymer Expert System

    Feb 18, 2026Sonakshi Gupta, Akhlak Mahmood, Wei Xiong +1Retrieval-Augmented GenerationGraph Retrieval-Augmented Generation

    School of Computational Science and Engineering, Georgia Institute of Technology, 771 Ferst Drive NW, Atlanta 30332, GA, USA. · Matmerize, Inc., Atlanta 30308, GA, USA. · School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Drive NW, Atlanta, GA 30332, USA

  8. Exploring Drug Safety Through Knowledge Graphs: Protein Kinase Inhibitors as a Case Study

    Feb 17, 2026David Jackson, Michael Gertz, Jürgen HesserClinical Risk PredictionBiomedical KGs

    Institute of Informatics, University of Amsterdam, Amsterdam, Netherlands · Institute of Computer Science, Heidelberg University, Heidelberg, Germany · Data Analysis and Modeling in Medicine, Mannheim Institute for Intelligent Systems in Medicine (MIISM), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany

  9. Return of the Schema: Building Complete Datasets for Machine Learning and Reasoning on Knowledge Graphs

    Feb 16, 2026Ivan Diliso, Roberto Barile, Claudia d'Amato +1Ontology-Based ReasoningKnowledge Graphs

    Dipartimento di Informatica – University of Bari Aldo Moro, Italy · CILA – University of Bari Aldo Moro, Italy

  10. CausalRAG2: Hierarchical Causal Knowledge Graph Design for RAG

    Feb 4, 2026Nengbo Wang, Tuo Liang, Vikash Singh +6KG ConstructionRetrieval-Augmented Generation

    Department of Computer and Data Sciences, Case Western Reserve University, Cleveland, OH, USA · Design and Innovation Department, Case Western Reserve University, Cleveland, OH, USA

  11. MedBeads: An AI-Native Clinical Context Graph Built from Immutable Beads and Reconstructable Clinical Links

    Feb 1, 2026Takahito NakajimaKG ConstructionLLM Grounding

    Diagnostic Imaging and Interventional Radiology, Institute of Medicine, University of Tsukuba · Center for Cyber Medicine Research, University of Tsukuba

  12. STAGE: A Full-Screenplay Benchmark for Reasoning over Evolving Stories

    Jan 13, 2026Qiuyu Tian, Zequn Liu, Yiding Li +9KG ConstructionLLM Evaluation

    Southeast University, Nanjing, China · Beijing Zhongguancun Academy, Beijing, China · ZhuiWen Technology Co., Ltd., Beijing, China +1

  13. BioPIE: A Biomedical Protocol Information Extraction Dataset for Experiment Understanding

    Jan 8, 2026Haofei Hou, Shunyi Zhao, Fanxu Meng +3KG ConstructionDocument Information Extraction

    School of Advanced Manufacturing and Robotics, Peking University · School of Integrated Circuits, Peking University

  14. Evidence-Guided Schema Normalization for Temporal Tabular Reasoning

    Nov 29, 2025Ashish Thanga, Vibhu Dixit, Abhilash Shankarampeta +1KG ConstructionTable QA

    Arizona State University · UC San Diego

  15. GPTKB v1.5: A Massive Knowledge Base for Exploring Factual LLM Knowledge

    Jul 8, 2025Yujia Hu, Tuan-Phong Nguyen, Shrestha Ghosh +2KG ConstructionLLM Information Extraction

    ScaDS.AI Dresden/Leipzig & TU Dresden, Germany · VNU University of Engineering and Technology, Hanoi, Vietnam · University of Tübingen, Germany

  16. RecKG: Knowledge Graph for Recommender Systems

    Jan 7, 2025Junhyuk Kwon, Seokho Ahn, Young-Duk SeoKG ConstructionRecommender Systems

    Inha University Incheon, South Korea

  17. Knowledge Graph and Accurate Portrait Construction of Scientific and Technological Academic Conferences

    Apr 11, 2022Runyu Yu, Zhe Xue, Ang LiKG ConstructionKnowledge Graphs

    Beijing Key Laboratory of Intelligent Telecommunication Software and Multimedia, School of Computer Science (National Pilot School of Software Engineering), Beijing University of Posts and Telecommunications Beijing, China