# Demonstrating the effect of exposure to nature on happy facial expressions via Flickr data: Advantages of non-intrusive social network data analyses and geoinformatics methodologies

> Research article (Journal of Environmental Psychology, 2018) · cited 45× · AI/ML

**Wikidata**: [openalex:W2883019185](https://www.wikidata.org/wiki/openalex:W2883019185)  
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