Abstract
Points of interest (POIs)—areas with a concentration of places that attract people—are important urban planning and tourism policy targets. This study aims to determine the points of interest of urban residents by analyzing big data from search engines to reveal the physical characteristics of POIs. To achieve this, POI data were collected in three city centers in Seoul using a South Korean dominant portal site that includes a search engine. The most popular POIs were determined by using GIS search engine analysis frequency, and correlation and regression analyses were conducted to investigate the relation between POIs and urban elements. The results revealed different POI trends in each city center. While POIs were concentrated in old, narrow streets with small attractions and mixed-use construction near Seoul City Wall (historic downtown district), they also formed around notable architectural landmarks in the newly developed Yeouido and Yeongdeungpo areas. This study found that tourism attraction took different forms in old and new areas, demonstrating that citizens are interested in both historic downtown areas and new areas, as traditional urban theorists suggest. Thus, urban planners and tourism policy makers should consider specific spatial contexts with search engines.
Highlights
Points of interest (POIs) are regions of influence where citizens concentrate because of attractions or facilities that draw high numbers of people [1,2,3,4]
This study examined the spatial characteristics of regions with popular POIs in major subway station districts located within three city centers of Seoul
This study demonstrated that big data analyses that utilize search engine data could identify the POIs where people concentrate, and the characteristics of the distribution of POIs vary depending on the urban characteristics [5,6,8,25,43,45,55,58,61]
Summary
Points of interest (POIs) are regions of influence where citizens concentrate because of attractions or facilities that draw high numbers of people [1,2,3,4]. POIs are considered places where the energy of a city is focused, and understanding the form and size of POIs provides insights into how people experience cities. This facilitates the selection of target points for public transit, urban development, and urban beautification, in the context of urban planning with limited resources [2,5,6,7,8,9,10,11,12,13,14,15]. A framework of spatial interpretation for regions with well-developed POIs was constructed, thereby illuminating how people experience cities
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