###What is this project about ? Some research tasks on Computational Advertising.

##Design

KDD CUP 2012 track2 ###Reference [1] Liu, Tie-Yan. "Learning to rank for information retrieval." Foundations and Trends in Information Retrieval 3.3 (2009): 225-331.

[2] Liu, Ning, et al. "Learning to rank audience for behavioral targeting." Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval. ACM, 2010.

[3] Tang, Jian, et al. "Learning to rank audience for behavioral targeting in display ads." Proceedings of the 20th ACM international conference on Information and knowledge management. ACM, 2011.

[4] Yan, Jun, et al. "How much can behavioral targeting help online advertising?." Proceedings of the 18th international conference on World wide web. ACM, 2009.