http://blog.csdn.net/pipisorry/article/details/49428053
海量数据挖掘Mining Massive Datasets(MMDs) -Jure Leskovec courses学习笔记 计算广告Computational Advertising
{博客内容：Computational Advertising. The problem is to select ads to show with other information, typically answers to search queries. Usually, the proprietor (e.g., Google) is paid only if there is a click on the ad. Advertisers bid on
searches with certain words, and the system selects the ads to maximize its income. Doing so involves not only considering the bids, but the budgets of advertisers (if we do not show an ad, will the same advertiser have another chance to place the ad?) and
the likelihood that this ad will be clicked.}
这个没时间写，下次有空写吧╮(╯_╰)╭