January 01, 1999 article What are ontologies, and why do we need them? IEEE Intelligent Systems and their Applications DOI: 10.1109/5254.747902 OpenAlex Authors 0 Author list not loaded yet. Cited by 5 stored of 1,683 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Enhancing data consistency in information flow of manual and variant-rich assembly processes 2026 Procedia CIRP article Engineering Manufacturing Process and Optimization Open access 0 citations SiSEG-Auto Semantic Annotation Service to Integrate Smart Energy Data 2022 Energies article Computer Science Semantic Web and Ontologies Open access 5 citations Automating Workflow/Pipeline Design 2022 Cognitive technologies book-chapter Computer Science AI-based Problem Solving and Planning Open access 2 citations A Cloud-based Robot System for Long-term Interaction: Principles, Implementation, Lessons Learned 2021 ACM Transactions on Human-Robot Interaction article Psychology Social Robot Interaction and HRI Open access 23 citations 6-Layer Model for a Structured Description and Categorization of Urban Traffic and Environment 2021 IEEE Access article Engineering Autonomous Vehicle Technology and Safety Open access cited by 2 patents 198 citations 5 results References 0