@incollection{GurulingappaM{\"u}llerFriedrich2010, author = {Gurulingappa, Harsha and M{\"u}ller, Bernd and Friedrich, Christoph M.}, 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} }