Crowdsourcing Local Knowledge with PPGIS and Social Media for Urban Planning to Reveal Intangible Cultural Heritage

In participatory urban planning, understanding local stakeholders’ viewpoints is central, and, thus, gathering local knowledge has become a frequent task in planning practice. However, the built cultural heritage is usually evaluated by experts neglecting the values and opinions of citizens. In this study, a crowdsourcing model for assessing local residents’ viewpoints and values related to the bu…