Urban delineation through the lens of commute networks: Leveraging graph embeddings to distinguish socioeconomic groups in cities

• URL: http://arxiv.org/abs/2507.11057v1
• Date: Tue, 15 Jul 2025 07:47:03 GMT
• Title: Urban delineation through the lens of commute networks: Leveraging graph embeddings to distinguish socioeconomic groups in cities
• Authors: Devashish Khulbe, Stanislav Sobolevsky,
• Abstract summary: We propose using commute networks sourced from the census for the purpose of urban delineation.<n>We derive low-dimensional representations of granular urban areas using Graph Neural Network architecture.<n>Experiments across the U.S. demonstrate the effectiveness of network embeddings in capturing significant socioeconomic disparities.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Delineating areas within metropolitan regions stands as an important focus among urban researchers, shedding light on the urban perimeters shaped by evolving population dynamics. Applications to urban science are numerous, from facilitating comparisons between delineated districts and administrative divisions to informing policymakers of the shifting economic and labor landscapes. In this study, we propose using commute networks sourced from the census for the purpose of urban delineation, by modeling them with a Graph Neural Network (GNN) architecture. We derive low-dimensional representations of granular urban areas (nodes) using GNNs. Subsequently, nodes' embeddings are clustered to identify spatially cohesive communities in urban areas. Our experiments across the U.S. demonstrate the effectiveness of network embeddings in capturing significant socioeconomic disparities between communities in various cities, particularly in factors such as median household income. The role of census mobility data in regional delineation is also noted, and we establish the utility of GNNs in urban community detection, as a powerful alternative to existing methods in this domain. The results offer insights into the wider effects of commute networks and their use in building meaningful representations of urban regions.

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