* Research products (data, materials, source code, etc.) often cannot be reused due to technical and legal restrictions (e.g. copyright).
* Overly restrictive copyright transfer agreements impede knowledge circulation, and contribute to an oligopoly of publishers and information service providers.
Deficits of the Current Scholarly Communication System:
Kraker, P., Dörler, D., Ferus, A., Gutounig, R., Heigl, F.,...