NDLI: Insiders and Outsiders: Comparing Urban Impressions between Population Groups

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Insiders and Outsiders: Comparing Urban Impressions between Population Groups

Content Provider	ACM Digital Library
Author	Santani, Darshan Gatica-Perez, Daniel Ruiz-Correa, Salvador
Abstract	There is a growing interest in social and urban computing to employ crowdsourcing as means to gather impressions of urban perception for indoor and outdoor environments. Previous studies have established that reliable estimates of urban perception can be obtained using online crowdsourcing systems, but implicitly assumed that the judgments provided by the crowd are not dependent on the background knowledge of the observer. In this paper, we investigate how the impressions of outdoor urban spaces judged by online crowd annotators, compare with the impressions elicited by the local inhabitants, along six physical and psychological labels. We focus our study in a developing city where understanding and characterization of these socio-urban perceptions is of societal importance. We found statistically significant differences between the two population groups. Locals perceived places to be more dangerous and dirty, when compared with online crowd workers; while online annotators judged places to be more interesting in comparison to locals. Our results highlight the importance of the degree of familiarity with urban spaces and background knowledge while rating urban perceptions, which is lacking in some of the existing work in urban computing.
Starting Page	65
Ending Page	71
Page Count	7
File Format	PDF
ISBN	9781450347013
DOI	10.1145/3078971.3079022
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2017-06-06
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Crowdsourcing Urban perception Subjective properties Youth Mobile
Content Type	Text
Resource Type	Article

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