Shirly Stephen

According to our database, Shirly Stephen authored at least 22 papers between 2015 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2025

The KnowWhereGraph ontology.

Cogan Shimizu, Shirly Stephen, Adrita Barua, Ling Cai, Antrea Christou, Kitty Currier, Abhilekha Dalal, Colby K. Fisher, Pascal Hitzler, Krzysztof Janowicz, Wenwen Li, Zilong Liu, Mohammad Saeid Mahdavinejad, Gengchen Mai, Dean Rehberger, Mark Schildhauer, Meilin Shi, Sanaz Saki Norouzi, Yuanyuan Tian, Sizhe Wang, Zhangyu Wang, Joseph Zalewski, Lu Zhou, Rui Zhu

J. Web Semant., 2025

2024

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, Colby K. Fisher, Thomas Thelen, Rui Zhu, Pascal Hitzler, Cogan Shimizu, Kitty Currier, Mark Schildhauer, Dean Rehberger, Zhangyu Wang, Antrea Christou

CoRR, 2024

The HIP ontology: A formal framework to support disaster risk reduction and management.

Shirly Stephen, Mark Schildhauer, Krzysztof Janowicz, Kitty Currier, Pascal Hitzler, Cogan Shimizu, Colby K. Fisher, Dean Rehberger

Proceedings of the Joint Ontology Workshops (JOWO), 2024

2023

KnowWhereGraph-Lite: A Perspective of the KnowWhereGraph.

Cogan Shimizu, Shirly Stephen, Antrea Christou, Kitty Currier, Mohammad Saeid Mahdavinejad, Sanaz Saki Norouzi, Abhilekha Dalal, Adrita Barua, Colby K. Fisher, Anthony D'Onofrio, Thomas Thelen, Krzysztof Janowicz, Dean Rehberger, Mark Schildhauer, Pascal Hitzler

Proceedings of the Knowledge Graphs and Semantic Web, 2023

The Expertise Ontology: Modeling Expertise in the Context of Emergency Management.

Shirly Stephen, Mark Schildhauer, Ling Cai, Yuanyuan Tian, Kitty Currier, Cogan Shimizu, Krzysztof Janowicz, Pascal Hitzler, Anna Lopez-Carr, Andrew Schroeder, Zilong Liu, Rui Zhu, Colby K. Fisher, Gengchen Mai, Tony Huang

Proceedings of the Joint Ontology Workshops 2023 Episode IX: The Quebec Summer of Ontology co-located with the 13th International Conference on Formal Ontology in Information Systems (FOIS 2023), 2023

A Formal Framework for Disaster Risk Properties.

Shirly Stephen, Mark Schildhauer, Kitty Currier, Pascal Hitzler, Cogan Shimizu, Krzysztof Janowicz, Dean Rehberger

Proceedings of the Joint Ontology Workshops 2023 Episode IX: The Quebec Summer of Ontology co-located with the 13th International Conference on Formal Ontology in Information Systems (FOIS 2023), 2023

The KnowWhereGraph Ontology: A Showcase.

Cogan Shimizu, Shirly Stephen, Rui Zhu, Kitty Currier, Mark Schildhauer, Dean Rehberger, Pascal Hitzler, Krzysztof Janowicz, Colby K. Fisher, Mohammad Saeid Mahdavinejad, Antrea Christou, Adrita Barua, Abhilekha Dalal, Sanaz Saki Norouzi, Zilong Liu, Meilin Shi, Ling Cai, Gengchen Mai, Zhangyu Wang, Yuanyuan Tian

Proceedings of the Joint Ontology Workshops 2023 Episode IX: The Quebec Summer of Ontology co-located with the 13th International Conference on Formal Ontology in Information Systems (FOIS 2023), 2023

2022

Diverse data! Diverse schemata?

Krzysztof Janowicz, Cogan Shimizu, Pascal Hitzler, Gengchen Mai, Shirly Stephen, Rui Zhu, Ling Cai, Lu Zhou, Mark Schildhauer, Zilong Liu, Zhangyu Wang, Meilin Shi

Semantic Web, 2022

Geo-Situation for Modeling Causality of Geo-Events in Knowledge Graphs.

Shirly Stephen, Wenwen Li, Torsten Hahmann

CoRR, 2022

Know, Know Where, Knowwheregraph: A Densely Connected, Cross-Domain Knowledge Graph and Geo-Enrichment Service Stack for Applications in Environmental Intelligence.

Krzysztof Janowicz, Pascal Hitzler, Wenwen Li, Dean Rehberger, Mark Schildhauer, Rui Zhu, Cogan Shimizu, Colby K. Fisher, Ling Cai, Gengchen Mai, Joseph Zalewski, Lu Zhou, Shirly Stephen, Seila Gonzalez Estrecha, Bryce D. Mecum, Anna Lopez-Carr, Andrew Schroeder, Dave Smith, Dawn J. Wright, Sizhe Wang, Yuanyuan Tian, Zilong Liu, Meilin Shi, Anthony D'Onofrio, Zhining Gu, Kitty Currier

AI Mag., 2022

A Pattern for Representing Scientific Taxonomies.

Shirly Stephen, Cogan Shimizu, Mark Schildhauer, Rui Zhu, Krzysztof Janowicz, Pascal Hitzler

Proceedings of the 13th Workshop on Ontology Design and Patterns (WOP 2022) co-located with the 21th International Semantic Web Conference (ISWC 2022), 2022

Knowledge explorer: exploring the 12-billion-statement KnowWhereGraph using faceted search (demo paper).

Zilong Liu, Zhining Gu, Thomas Thelen, Seila Gonzalez Estrecha, Rui Zhu, Colby K. Fisher, Anthony D'Onofrio, Cogan Shimizu, Krzysztof Janowicz, Mark Schildhauer, Shirly Stephen, Dean Rehberger, Wenwen Li, Pascal Hitzler

Proceedings of the 30th International Conference on Advances in Geographic Information Systems, 2022

2021

Providing Humanitarian Relief Support through Knowledge Graphs.

Rui Zhu, Ling Cai, Gengchen Mai, Cogan Shimizu, Colby K. Fisher, Krzysztof Janowicz, Anna Lopez-Carr, Andrew Schroeder, Mark Schildhauer, Yuanyuan Tian, Shirly Stephen, Zilong Liu

Proceedings of the K-CAP '21: Knowledge Capture Conference, 2021

A Pattern for Features on a Hierarchical Spatial Grid.

Cogan Shimizu, Rui Zhu, Gengchen Mai, Colby K. Fisher, Ling Cai, Mark Schildhauer, Krzysztof Janowicz, Pascal Hitzler, Lu Zhou, Shirly Stephen

Proceedings of the IJCKG'21: The 10th International Joint Conference on Knowledge Graphs, Virtual Event, Thailand, December 6, 2021

SOSA-SHACL: Shapes Constraint for the Sensor, Observation, Sample, and Actuator Ontology.

Rui Zhu, Cogan Shimizu, Shirly Stephen, Lu Zhou, Ling Cai, Gengchen Mai, Krzysztof Janowicz, Mark Schildhauer, Pascal Hitzler

Proceedings of the IJCKG'21: The 10th International Joint Conference on Knowledge Graphs, Virtual Event, Thailand, December 6, 2021

Environmental Observations in Knowledge Graphs.

Rui Zhu, Shirly Stephen, Lu Zhou, Cogan Shimizu, Ling Cai, Gengchen Mai, Krzysztof Janowicz, Pascal Hitzler, Mark Schildhauer

Proceedings of the DaMaLOS, 2021

2020

Model-Finding for Externally Verifying FOL Ontologies: A Study of Spatial Ontologies.

Shirly Stephen, Torsten Hahmann

Proceedings of the Formal Ontology in Information Systems, 2020

2019

Formal Qualitative Spatial Augmentation of the Simple Feature Access Model.

Shirly Stephen, Torsten Hahmann

Proceedings of the 14th International Conference on Spatial Information Theory, 2019

Identifying Bottlenecks in Practical SAT-Based Model Finding for First-Order Logic Ontologies with Datasets.

Shirly Stephen, Torsten Hahmann

Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence, 2019

2018

Using a hydro-reference ontology to provide improved computer-interpretable semantics for the groundwater markup language (GWML2).

Torsten Hahmann, Shirly Stephen

Int. J. Geogr. Inf. Sci., 2018

2017

An Ontological Framework for Characterizing Hydrological Flow Processes.

Shirly Stephen, Torsten Hahmann

Proceedings of the 13th International Conference on Spatial Information Theory, 2017

2015

Swiss Canton Regions: A Model for Complex Objects in Geographic Partitions.

Matthew P. Dube, Max J. Egenhofer, Joshua A. Lewis, Shirly Stephen, Mark A. Plummer

Proceedings of the Spatial Information Theory - 12th International Conference, 2015