Click fraud is the practice of deceptively clicking on search ads with the intention of either increasing third … everything possible to detect and prevent click fraud even though the engines get paid for every undetected fraudulent click. We … seek to answer whether it is in a search engine's interest to prevent click fraud. We find that, under full information in …

This paper is concerned with the problem of click fraud detection. We assume each visitor of a website carries a latent … algorithm is then suggested to obtain the maximum likelihood estimator. As a result, click fraud detection can be implemented by …

's keywords. Using a game theory model, we study how competing firms should allocate their advertising budgets, and how a search …