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Open AccessArticle

Identifying Urban Functional Zones Using Public Bicycle Rental Records and Point-of-Interest Data

1
School of Earth Sciences, Zhejiang University, Hangzhou 310027, China
2
School of Geographical Sciences & Urban Planning, Arizona State University, Tempe, AZ 85287-5302, USA
3
Zhejiang Provincial Key Laboratory of Geographic Information Science, Department of Earth Sciences, Zhejiang University, Hangzhou 310028, China
*
Author to whom correspondence should be addressed.
ISPRS Int. J. Geo-Inf. 2018, 7(12), 459; https://doi.org/10.3390/ijgi7120459
Received: 25 September 2018 / Revised: 12 November 2018 / Accepted: 22 November 2018 / Published: 27 November 2018
(This article belongs to the Special Issue Human-Centric Data Science for Urban Studies)
Human mobility data have become an essential means to study travel behavior and trip purpose to identify urban functional zones, which portray land use at a finer granularity and offer insights for problems such as business site selection, urban design, and planning. However, very few works have leveraged public bicycle-sharing data, which provides a useful feature in depicting people’s short-trip transportation within a city, in the studies of urban functions and structure. Because of its convenience, bicycle usage tends to be close to point-of-interest (POI) features, the combination of which will no doubt enhance the understanding of the trip purpose for characterizing different functional zones. In our study, we propose a data-driven approach that uses station-based public bicycle rental records together with POI data in Hangzhou, China to identify urban functional zones. Topic modelling, unsupervised clustering, and visual analytics are employed to delineate the function matrix, aggregate functional zones, and present mixed land uses. Our result shows that business areas, industrial areas, and residential areas can be well detected, which validates the effectiveness of data generated from this new transportation mode. The word cloud of function labels reveals the mixed land use of different types of urban functions and improves the understanding of city structures. View Full-Text
Keywords: human mobility; traffic analysis zones; topic modelling; k-means; land use human mobility; traffic analysis zones; topic modelling; k-means; land use
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Zhang, X.; Li, W.; Zhang, F.; Liu, R.; Du, Z. Identifying Urban Functional Zones Using Public Bicycle Rental Records and Point-of-Interest Data. ISPRS Int. J. Geo-Inf. 2018, 7, 459.

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