@phdthesis{Share_it_1981185920-11685, title = {Mining perennial objects}, author = {Siddiqui, Zaigham Faraz}, year = {2013}, url = {http://dx.doi.org/10.25673/3942}, urn = {urn:nbn:de:gbv:ma9:1-3527}, school = {Otto-von-Guericke-Universität Magdeburg}, }