Toward Characterizing Cities with Social Media Images Using Activity Recognition, Topic Modeling and Visualization Article Swipe
Daniela Opitz
,
Eduardo Graells-Garrido
,
Ignacio Pérez-Messina
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1145/3366424.3384361
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1145/3366424.3384361
Images are at the heart of the digital life, registering what, where, and when people do activities. This rich visual information may allow to characterize cities at spatial granularities unseen with traditional methods. To advance in that direction, here we propose a methodology to explore the activities held in cities, by means of activity recognition (what happens in images), topic modeling (what activities are relevant), and visualization (how to choose the number of topics, interpret them, and where do they appear in the city). We apply this methodology to Santiago, Chile, using images from Flickr, and find promising results for planners and urbanites.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1145/3366424.3384361
- OA Status
- hybrid
- Cited By
- 3
- References
- 15
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3021339229
All OpenAlex metadata
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https://openalex.org/W3021339229Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1145/3366424.3384361Digital Object Identifier
- Title
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Toward Characterizing Cities with Social Media Images Using Activity Recognition, Topic Modeling and VisualizationWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2020Year of publication
- Publication date
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2020-04-20Full publication date if available
- Authors
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Daniela Opitz, Eduardo Graells-Garrido, Ignacio Pérez-MessinaList of authors in order
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https://doi.org/10.1145/3366424.3384361Publisher landing page
- Open access
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YesWhether a free full text is available
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hybridOpen access status per OpenAlex
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https://doi.org/10.1145/3366424.3384361Direct OA link when available
- Concepts
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Visualization, Computer science, Social media, Data science, Topic model, Artificial intelligence, Data visualization, Information retrieval, World Wide WebTop concepts (fields/topics) attached by OpenAlex
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3Total citation count in OpenAlex
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2025: 1, 2023: 1, 2020: 1Per-year citation counts (last 5 years)
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15Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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