@article{Lippmann2013,
  author    = {Torben Lippmann},
  title     = {Engineering innovation-related knowledge: How a core ontology makes innovations retrievable for innovation seekers},
  journal   = {International Journal of Cooperative Information Systems},
  volume    = {22},
  number    = {3},
  pages     = {42 -- 53},
  year      = {2013},
}