@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}, }