collaborators

6 papers

cs.CY2025

An Ontology for Representing Curriculum and Learning Material

Antrea Christou, Chris Davis Jaldi, Joseph Zalewski +3

Educational, learning, and training materials have become extremely commonplace across the Internet. Yet, they frequently remain disconnected from each other, fall into platform si…

cs.DB2025

The KnowWhereGraph: A Large-Scale Geo-Knowledge Graph for Interdisciplinary Knowledge Discovery and Geo-Enrichment

Rui Zhu, Cogan Shimizu, Shirly Stephen +25

Global challenges such as food supply chain disruptions, public health crises, and natural hazard responses require access to and integration of diverse datasets, many of which are…

cs.AI2024

Accelerating Knowledge Graph and Ontology Engineering with Large Language Models

Cogan Shimizu, Pascal Hitzler

Large Language Models bear the promise of significant acceleration of key Knowledge Graph and Ontology Engineering tasks, including ontology modeling, extension, modification, popu…

cs.AI2024

Ontology Population using LLMs

Sanaz Saki Norouzi, Adrita Barua, Antrea Christou +4

Knowledge graphs (KGs) are increasingly utilized for data integration, representation, and visualization. While KG population is critical, it is often costly, especially when data…

cs.AI2024

The S2 Hierarchical Discrete Global Grid as a Nexus for Data Representation, Integration, and Querying Across Geospatial Knowledge Graphs

Shirly Stephen, Mitchell Faulk, Krzysztof Janowicz +10

Geospatial Knowledge Graphs (GeoKGs) have become integral to the growing field of Geospatial Artificial Intelligence. Initiatives like the U.S. National Science Foundation's Open K…

cs.AI2024

The KnowWhereGraph Ontology

Cogan Shimizu, Shirly Stephe, Adrita Barua +21

KnowWhereGraph is one of the largest fully publicly available geospatial knowledge graphs. It includes data from 30 layers on natural hazards (e.g., hurricanes, wildfires), climate…