Wu, Zongda, Xu, Guandong, Pan, Rong, Zhang, Yanchun, Hu, Zhiwen and Lu, Jianfeng (2011) Leveraging Wikipedia concept and category information to enhance contextual advertising. In: CIKM '11 : proceedings of the 20th ACM international conference on Information and knowledge management. Berendt, Bettina, de Vries, Arjen, Fan, Wenfei, Macdonald, Craig, Ounis, Iadh and Ruthven, Ian, eds. Association for Computing Machinery, New York, pp. 2105-2108.