@phdthesis{Share_it_1981185920-11599,
  title = {Keyword search across distributed heterogenous structured data sources},
  author = {Geist, Ingolf},
  year = {2012},
  url = {http://dx.doi.org/10.25673/3846},
  urn = {urn:nbn:de:gbv:ma9:1-2634},
  school = {Otto-von-Guericke-Universität Magdeburg},
}