38 citations · 53 across the 4 of their papers we have counts for
5 papers
A Decade of PhotoMappers: A Longitudinal Study of Crowdsourced Disaster Photos Geolocalization with Vision-Language Models and Geospatial Reasoning
Hao Li, Wenping Yin, Fabian Deuser +5
Crowdsourced disaster imagery provides timely, ground-level observations when conventional disaster mapping is delayed or incomplete, yet its geographic value depends on where obse…
Accelerating Point-in-Polygon Predicates via Algebraic Hash-Joins and Discrete Global Grids at Scale: An interactive benchmark
Levente Juhasz
Traditional vector-based point-in-polygon queries rely on computationally expensive geometric predicates that scale poorly for massive datasets, even when accelerated by spatial in…
Correctness Comparison of ChatGPT-4, Gemini, Claude-3, and Copilot for Spatial Tasks
Hartwig H. Hochmair, Levente Juhasz, Takoda Kemp
Generative AI including large language models (LLMs) has recently gained significant interest in the geo-science community through its versatile task-solving capabilities including…
'I think I discovered a military base in the middle of the ocean' -- Null Island, the most real of fictional places
Levente Juhasz, Peter Mooney
This paper explores Null Island, a fictional place located at 0 latitude and 0 longitude in the WGS84 geographic coordinate system. Null Island is erroneously assoc…
OpenStreetMap data use cases during the early months of the COVID-19 pandemic
Peter Mooney, A. Yair Grinberger, Marco Minghini +3
Created by volunteers since 2004, OpenStreetMap (OSM) is a global geographic database available under an open access license and currently used by a multitude of actors worldwide.…