1. Extracting scenic routes from VGI data sources;Alivand,2013
2. Why we tag: Motivations for annotation in mobile and online media;Ames,2007
3. Web 2.0 geotagged photos: Assessing the spatial dimension of the phenomenon;Antoniou;Geomatica,2010
4. Environmental psychology;Bell,2001
5. Crowdsourcing the public participation process for planning projects;Brabham;Planning Theory,2009