The VCG Auction in Theory and Practice
描述了搜索引擎广告的两种拍卖形式，给出了点击率估计和广泛匹配搜索下拍卖调整的两个简单理论结果，并讨论了实施VCG拍卖的实际问题。
We describe two auction forms for search engine advertising and present two simple theoretical results concerning i) the estimation of click-through rates and ii) how to adjust the auctions for broad match search. We also describe some of the practical issues involved in implementing a VCG auction.