My Published Paper
Recent Publications
- [Journal] RDF-star2Vec: RDF-star Graph Embeddings for Data Mining (IEEE Access, 2023)
- [Journal] Synthesizing Event-centric Knowledge Graphs of Daily Activities using Virtual Space (IEEE Access, 2023)
- [Journal] Converging Semantic Knowledge and Deep Learning for Medical Coding (International Journal of Privacy and Health Information Management, 2019)
- [Journal] Motivation Problems for Knowledge Sharing: Why People would not Share Knowledge? (The International Journal of KNOWLEDGE, CULTURE & CHANGE MANAGEMENT, 2009)
- [Journal] A mathematical model of knowledge transfer and case studies (The International Journal of KNOWLEDGE, CULTURE & CHANGE MANAGEMENT, 2007)
- [Domestic Journal] Constructing and Evaluating a Japanese Entity Linking Model for Wikidata based on Pointer Network (2024)
- [Conference] RAG-Enhanced Prompt Compression with Need-Oriented Knowledge for Dialog Based Embodied Navigation (ICAART 2026)
- [Conference] Comparison of Metadata Representation Models for Knowledge Graph Embeddings (KGSWC 2025)
- [Conference] Household Task Planning with Multi-Objects State and Relationship Using Large Language Models Based Preconditions Verification (ICAART 2025)
- [Conference] Reasoning and Justification System for Domestic Hazardous Behaviors Based on Knowledge Graph of Daily Activities and Retrieval-Augmented Generation (CANDAR 2024)
- [Conference] Entity Linking for Wikidata using Large Language Models and Wikipedia Links (CANDAR 2024)
- [Conference] Compressing Multi-Modal Temporal Knowledge Graphs of Videos (ISWC 2024)
- [Conference] VHAKG: A Multi-modal Knowledge Graph Based on Synchronized Multi-view Videos of Daily Activities (CIKM 2024)
- [Conference] Multimodal Datasets and Benchmarks for Reasoning about Dynamic Spatio-Temporality in Everyday Environments (Embodied AI 2024 workshop)
- [Conference] Exploring Spatial Relation Awareness through Virtual Indoor (HCII 2024)
- [Conference] Zero-Shot Query Experiments in Knowledge Graph Reasoning Challenge for Older Adults Safety (ICSC 2024)
- [Conference] Event Prediction in Event-Centric Knowledge Graphs Using BERT (ICSC 2024)
- [Conference] Japanese Pointer Network based Entity Linker for Wikidata (IJCKG 2023)
- [Conference] Automatic Action Script Generation to Improve Execution Rate based on LLM in VirtualHome (IJCKG 2023)
- [Conference] Analysis of Annotation Quality of Human Activities Using Knowledge Graphs (CCIS, 2023)
- [Conference] Datasets of Mystery Stories for Knowledge Graph Reasoning Challenge (SEMMES / ESWC 2023)
- [Conference] Criminal Investigation with Augmented Ontology and Link Prediction (ICSC 2023)
- [Conference] Contextualized Scene Knowledge Graphs for XAI Benchmarking (IJCKG 2022)
- [Conference] The Magic of Semantic Enrichment and NLP for Medical Coding (ESWC 2019 Satellite Events)
- [Conference] Report on the First Knowledge Graph Reasoning Challenge 2018 - Toward the eXplainable AI System (LNCS 12032, 2019)
- [Conference] Conversion of Physical Quantity and Its Application (ISWC 2017 Posters & Demonstrations and Industry Tracks)
- [Preprint / Presentation] Embedding Method for Knowledge Graph with Densely Defined Ontology (arXiv, 2025)
- [Presentation] 3D Spatial Grounding in Virtual Environments: A VirtualHome2KG Study (MIRU 2024)
- [Presentation] Daily Activity data generation in Cyberspace for Semantic AI technology and HRI simulation (2022)
main.tex Research Output
- Prompt Compression for Dialog Navigation Systems Using Desire-Oriented Knowledge and RAG, 2026-06
- Event-centric Knowledge Graph Generation from Daily Life Videos Using Large-scale Vision-Language Models, 2026-03
- Adaptive RAG Selection Based on Questions and Documents Considering Cost and Accuracy, 2026-03
- Automatic Construction Method for Equivalence Relations among Action Labels Using Common-Sense Knowledge Graphs, 2026-03
- Category-based Benchmark Dataset for Causal Relation Extraction from Text, 2025-11
- Causal Relation Extraction Using AI Multi-agent Systems and Large Language Models for Causal Knowledge Graph Generation, 2025-09
- Investigation of Event-centric Knowledge Graph Generation from Daily Life Videos Using Large-scale Vision-Language Models, 2025-09
- Automatic Construction of a Meta-Action Recognition Dataset Using a Common-Sense Knowledge Graph, 2025-06
- Expansion of a Action Recognition Dataset Using Video Caption Generation, 2025-06
- Comparative Analysis of GraphRAG Based on Document Chunking and Community Classification of Knowledge Graphs, 2025-06
- Embedding Method for Knowledge Graph with Densely Defined Ontology, 2025-04
- Expansion of an Action Recognition Dataset Using Video Caption Generation and MetaVD, 2025-03
- Household Task Planning Based on Object States and Relations Using Large Language Models, 2024-09
- 3D Spatial Grounding in Virtual Environments: A VirtualHome2KG Study, 2024-06
- Proposal of a Method for Automatically Constructing a Daily Life Dataset Using Common-Sense Knowledge of LLMs, 2024-06
- Application of LLMs to Predicting Actions from Multimodal Data about Daily Life in the Second Knowledge Graph Reasoning Challenge, 2024-05
- DBpedia Expansion Using Wikipedia Red Links Based on DBpedia Ontology and GPT, 2024-03
- Recognition of Juxtaposed Puns Based on Multimodal Large Language Models and Image Captions, 2024-03
- Report on the Knowledge Graph Reasoning Challenge 2023: Knowledge Graph Construction Technology in the Era of Generative AI, 2024-03
- Event Prediction in Event-centric Knowledge Graphs Using LLMs, 2023-11
- Automatic Action Script Generation for VirtualHome from Abstract Task Descriptions Using LLMs, 2023-11
- Scene Graph Generation Using Clustering by Predicate Semantics, 2023-08
- Report on the Knowledge Graph Reasoning Challenge [Practical Edition], 2023-08
- Analysis of Issues in Adapting an English Entity Linking Model for Large-scale Knowledge Graphs to Japanese, 2023-06
- Report on the First International Edition of the Knowledge Graph Reasoning Challenge 2023, 2023-06
- Simultaneous Generation of Daily Life Videos and Event-centric Knowledge Graphs in the Home Environment, 2023-06
- Evaluation of a Puns Ranking Method Using Image Caption Generation and Object Recognition, 2023-03
- Investigation of Data Sampling Methods for Solving the Long-tail Problem in Scene Graph Generation, 2023-03
- Investigation of DBpedia Expansion Using Wikipedia Red Links, 2023-03
- Comparison of Walk Models and Algebraic Models for Embedding in Event-centric Knowledge Graphs, 2023-03
- Analysis of Issues in Adapting an English Entity Linking Model for Wikidata to Japanese, 2023-03
- Investigation of Optimal Dataset Generation for Improving Scene Graph Generation Accuracy, 2022-11
- Event Type Prediction Using Embedding in Event-centric Knowledge Graphs, 2022-11
- Tools for Supporting Daily Life Representation and Risk Visualization Using Videos and Knowledge Graphs, 2022-11
- Daily Activity Data Generation in Cyberspace for Semantic AI Technology and HRI Simulation, 2022-09
- Differences in Prediction Models for Link Prediction in Event-centric Knowledge Graphs, 2022-08
- Analysis of Metadata Representation Models in Event-centric Knowledge Graph Embeddings, 2022-06
- Co-creation Through Competitions: Toward the Development of AI for Safety and Security, 2022-06
- Toward the Transfer of Environments Including Human Life into Cyberspace Using Event-centric Knowledge Graphs, 2022-06
- Consideration of Guidelines for Knowledge Graph Construction for Explanation Generation, 2022-06
- Development of an AI System Useful for Preventing Domestic Accidents among Older Adults: Toward an Industrial Knowledge Graph Reasoning Challenge, 2022-03
- Construction and Reasoning of Synthetic Knowledge Graphs for Preventing Domestic Accidents, 2022-03
Title and Abstract
ugai.takanori@gmail.com