activity
20232025
most citedRDF-star2Vec: RDF-star Graph Embeddings for Data Mining

4 citations · 5 across the 5 of their papers we have counts for

collaborators

5 papers

cs.LG2025

Comparison of Metadata Representation Models for Knowledge Graph Embeddings

Shusaku Egami, Kyoumoto Matsushita, Takanori Ugai +1

Hyper-relational Knowledge Graphs (HRKGs) extend traditional KGs beyond binary relations, enabling the representation of contextual, provenance, and temporal information in domains…

cs.AI2024

Multimodal Datasets and Benchmarks for Reasoning about Dynamic Spatio-Temporality in Everyday Environments

Takanori Ugai, Kensho Hara, Shusaku Egami +1

We used a 3D simulator to create artificial video data with standardized annotations, aiming to aid in the development of Embodied AI. Our question answering (QA) dataset measures…

cs.AI2024★ 1 cited

VHAKG: A Multi-modal Knowledge Graph Based on Synchronized Multi-view Videos of Daily Activities

Shusaku Egami, Takahiro Ugai, Swe Nwe Nwe Htun +1

Multi-modal knowledge graphs (MMKGs), which ground various non-symbolic data (e.g., images and videos) into symbols, have attracted attention as resources enabling knowledge proces…

cs.AI2024

Synthetic Multimodal Dataset for Empowering Safety and Well-being in Home Environments

Takanori Ugai, Shusaku Egami, Swe Nwe Nwe Htun +3

This paper presents a synthetic multimodal dataset of daily activities that fuses video data from a 3D virtual space simulator with knowledge graphs depicting the spatiotemporal co…

cs.AI2023★ 4 cited

RDF-star2Vec: RDF-star Graph Embeddings for Data Mining

Shusaku Egami, Takanori Ugai, Masateru Oota +4

Knowledge Graphs (KGs) such as Resource Description Framework (RDF) data represent relationships between various entities through the structure of triples (<subject, predicate, obj…