online advertising has become a key source of revenue for both web search
engines and online publishers. For them, the ability of allocating right ads to
right webpages is critical because any mismatched ads would not only harm web
users' satisfactions but also lower the ad income. In
本论文提出一种基于 Monte Carlo 采样的在线算法,在解决传播广告分配问题的同时,实现 competing ratio 为 0.702,也证明了当到达速率为整数时 competing ratio 为 0.705。同时,我们还证明采用已知分布模型无法实现 competing ratio 小于 0.823。