Animated CAPTCHAs and games for advertising

Suhas Aggarwal. Animated CAPTCHAs and games for advertising. In Leslie Carr, Alberto H. F. Laender, Bernadette Farias Lóscio, Irwin King, Marcus Fontoura, Denny Vrandecic, Lora Aroyo, José Palazzo M. de Oliveira, Fernanda Lima, Erik Wilde, editors, 22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume. pages 1167-1174, International World Wide Web Conferences Steering Committee / ACM, 2013. [doi]

Abstract

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