@article { HKTO11a, title = {Interaktive explorative Suche in großen Dokumentbeständen}, journal = {Datenbank-Spektrum}, note = {10.1007/s13222-011-0072-4}, pages = {195-206}, doi = {10.1007/s13222-011-0072-4}, year = {2011}, author = {Heyer, Gerhard and Keim, Daniel A. and Teresniak, Sven and Oelke, Daniela} }