A brief overview of ad click-through prediction
Online display advertising is a multibillion-dollar industry. It comes in different formats, including banner ads composed of text, images, and flash, and rich media such as audio and video. Advertisers, or their agencies, place ads on a variety of websites, and even mobile apps, across the Internet in order to reach potential customers and deliver an advertising message.
Online display advertising has served as one of the greatest examples of machine learning utilization. Obviously, advertisers and consumers are keenly interested in well-targeted ads. In the last 20 years, the industry has relied heavily on the ability of machine learning models to predict the effectiveness of ad targeting: how likely it is that an audience of a certain age group will be interested in this product, that customers with a certain household income will purchase this product after seeing the ad, that frequent sports site visitors...