Abstract
The hashtag, a phrase that is highlighted by preceding it with a hash symbol (#), is already 6 years old. People use it on a massive scale in social media, with two objectives: to tag (or label) conversations and content, and to identify communities. It can be used also as a rhetorical [...]Abstract
These slides were presented at State of the Map 2017 conference in Aizu-Wakamatsu, Japan (http://2017.stateofthemap.org). They aim to provide an overview on some current research trends on OpenStreetMap (OSM), focusing in particular on three research works I have carried out over [...]Abstract
In Volunteered Geographic Information (VGI) projects, the tagging or annotation of objects is usually performed in a flexible and non-constrained manner. Contributors to a VGI project are normally free to choose whatever tags they feel are appropriate to annotate or describe a particular [...]