# Defining the Boundaries of Urban Built-up Area Based on Taxi Trajectories: a Case Study of Beijing

> Research article (Journal of Geovisualization and Spatial Analysis, 2020) · cited 25× · AI/ML

**Wikidata**: [openalex:W3023466812](https://www.wikidata.org/wiki/openalex:W3023466812)  
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