Conference on information and knowledge management : CIKM'14 ; proceedings of the 2014 ACM international conference ; DOPLAP'14, DTMBIO'14, DUBMOD'14, ESAIR'14, LocWeb'14, PIKM'14, PSBD'14, Web-KR'14, Shanghai, China, November 3-7, 2014 (ACM - Association for Computing Machinery, 2014)