Conference on information and knowledge management & co-located workshops : CIKM'13 ; AKBC'13, CloudDB'13, CompSci'13, DARE'13, DOLAP'13, DTMBIO'13, DUBMOD'13, ESAIR'13, LivingLab'13, PIKM'13, PLEAD'13, UEO'13, UnstructureNLP'13, Web-KR'13 ; proceedings of the 22nd ACM international conference, San Francisco, CA, USA, Oct. 27-Nov. 1, 2013 (ACM - Association for Computing Machinery, 2013)