@incollection{GurulingappaMuellerFriedrich2010, author = {Harsha Gurulingappa and Bernd M{\"u}ller and Christoph M. Friedrich}, title = {Prior art search in chemistry patents based on semantic concepts and co-citation analysis}, series = {The nineteenth text REtrieval conference (TREC 2010) proceedings}, year = {2010}, language = {en} }