Reflective Specification: Applying A Reflective Language to Formal Specification. - Motoshi Saeki; Takeshi Hiroi; Takanori Ugai (IWSSD, 1993)

Extraction of Viewpoints for Eliciting Customer's Requirements based on Analysis of Specification Change Records. - Kouji Aoyama; Takanori Ugai; Shigeru Yamada; Akihiko Obata (APSEC, 2007)

Design and Evaluation a Knowledge Management System by Using Mathematical Model of Knowledge Transfer. - Kouji Aoyama; Takanori Ugai; Jun Arima (KES (2), 2007)

Visualisation Tool for Cooperative Relations and Its Verification with a Case Study. - Takanori Ugai; Kouji Aoyama (KES (2), 2008)

Organization Diagnosis Tools Based on Social Network Analysis. - Takanori Ugai; Kouji Aoyama (HCI (8), 2009)

Domain Knowledge Wiki for Eliciting Requirements. - Takanori Ugai; Kouji Aoyama (MARK@RE, 2009)

Visualizing Stakeholder Concerns with Anchored Map. - Takanori Ugai (HCI (11), 2011)

Conversion of Physical Quantity and its Application. - Takanori Ugai; Shohei Yamane (ISWC (Posters, Demos & Industry Tracks), 2017)

The Magic of Semantic Enrichment and NLP for Medical Coding. - Nuria García-Santa; Beatriz San Miguel; Takanori Ugai (ESWC (Satellite Events), 2019)

Report on the First Knowledge Graph Reasoning Challenge 2018. - Takahiro Kawamura; Shusaku Egami; Koutarou Tamura; Yasunori Hokazono; Takanori Ugai; Yusuke Koyanagi; Fumihito Nishino; Seiji Okajima; Katsuhiko Murakami; Kunihiko Takamatsu; Aoi Sugiura; Shun Shiramatsu; et al. (JIST, 2019)

Report on the First Knowledge Graph Reasoning Challenge 2018 - Toward the eXplainable AI System. - Takahiro Kawamura; Shusaku Egami; Koutarou Tamura; Yasunori Hokazono; Takanori Ugai; Yusuke Koyanagi; Fumihito Nishino; Seiji Okajima; Katsuhiko Murakami; Kunihiko Takamatsu; Aoi Sugiura; Shun Shiramatsu; et al. (CoRR, 2019)

Ontologies of Action and Object in Home Environment towards Injury Prevention. - Satoshi Nishimura; Shusaku Egami; Takanori Ugai; Mikiko Oono; Koji Kitamura; Ken Fukuda (IJCKG, 2021)

Fuzzy Search of Knowledge Graph with Link Prediction. - Takanori Ugai (IJCKG, 2021)

Contextualized Scene Knowledge Graphs for XAI Benchmarking. - Takahiro Kawamura; Shusaku Egami; Kyoumoto Matsushita; Takanori Ugai; Ken Fukuda; Kouji Kozaki (IJCKG, 2022)

Datasets of Mystery Stories for Knowledge Graph Reasoning Challenge. - Kouji Kozaki; Shusaku Egami; Kyoumoto Matsushita; Takanori Ugai; Takahiro Kawamura; Ken Fukuda (ESWC Workshops, 2023)

Analysis of Annotation Quality of Human Activities Using Knowledge Graphs. - Shusaku Egami; Mikiko Oono; Mai Otsuki; Takanori Ugai; Ken Fukuda (HCI (46), 2023)

Criminal Investigation with Augmented Ontology and Link Prediction. - Takanori Ugai (ICSC, 2023)

Synthesizing Event-Centric Knowledge Graphs of Daily Activities Using Virtual Space. - Shusaku Egami; Takanori Ugai; Mikiko Oono; Koji Kitamura; Ken Fukuda (IEEE Access, 2023)

RDF-star2Vec: RDF-star Graph Embeddings for Data Mining. - Shusaku Egami; Takanori Ugai; Masateru Oota; Kyoumoto Matsushita; Takahiro Kawamura; Kouji Kozaki; Ken Fukuda (IEEE Access, 2023)

Reasoning and Justification System for Domestic Hazardous Behaviors Based on Knowledge Graph of Daily Activities and Retrieval-Augmented Generation. - Fumikatsu Anaguchi; Sudesna Chakraborty; Takeshi Morita 001; Shusaku Egami; Takanori Ugai; Ken Fukuda (CANDAR, 2024)

Entity Linking for Wikidata using Large Language Models and Wikipedia Links. - Fumiya Mitsuji; Sudesna Chakraborty; Takeshi Morita 001; Shusaku Egami; Takanori Ugai; Ken Fukuda (CANDARW, 2024)

VHAKG: A Multi-modal Knowledge Graph Based on Synchronized Multi-view Videos of Daily Activities. - Shusaku Egami; Takanori Ugai; Swe Nwe Nwe Htun; Ken Fukuda (CIKM, 2024)

Exploring Spatial Relation Awareness Through Virtual Indoor Environments. - Swe Nwe Nwe Htun; Shusaku Egami; Takanori Ugai; Yijun Duan; Ken Fukuda (HCI (35), 2024)

Zero-Shot Query Experiments in Knowledge Graph Reasoning Challenge for Older Adults Safety. - Ken Fukuda; Takanori Ugai; Shusaku Egami; Kyoumoto Matsushita (ICSC, 2024)

Event Prediction in Event-Centric Knowledge Graphs Using BERT. - Takanori Ugai; Shusaku Egami; Ken Fukuda (ICSC, 2024)

Compressing Multi-Modal Temporal Knowledge Graphs of Videos. - Shusaku Egami; Takanori Ugai; Ken Fukuda (ISWC (Posters/Demos/Industry), 2024)

Synthetic Multimodal Dataset for Empowering Safety and Well-being in Home Environments. - Takanori Ugai; Shusaku Egami; Swe Nwe Nwe Htun; Kouji Kozaki; Takahiro Kawamura; Ken Fukuda (CoRR, 2024)

A Logical Approach to Criminal Case Investigation. - Takanori Ugai; Yusuke Koyanagi; Fumihito Nishino (CoRR, 2024)

Multimodal Datasets and Benchmarks for Reasoning about Dynamic Spatio-Temporality in Everyday Environments. - Takanori Ugai; Kensho Hara; Shusaku Egami; Ken Fukuda (CoRR, 2024)

Household Task Planning with Multi-Objects State and Relationship Using Large Language Models Based Preconditions Verification. - Jin Aoyama; Sudesna Chakraborty; Takeshi Morita 001; Shusaku Egami; Takanori Ugai; Ken Fukuda (ICAART (2), 2025)

Comparison of Metadata Representation Models for Knowledge Graph Embeddings. - Shusaku Egami; Kyoumoto Matsushita; Takanori Ugai; Ken Fukuda (CoRR, 2025)

Embedding Method for Knowledge Graph with Densely Defined Ontology. - Takanori Ugai (CoRR, 2025)