Meta-Activities are activities which, unlike regular research activities, do not apply directly to a research object, but rather to a combination of a research activity with a research object. A case in point would be a tutorial Teaching the digital Encoding of music, or a report Introducing Pattern Recognition in images. Meta-Activity tags can be added to provide additional context to a typical activity+object pair of tags. In some cases, however, meta-activities may also apply to objects, for example in the case of objects like “Infrastructure” or “Digital Humanities”.