In the early days of the web, content was designed and hosted by a single person, group, or
organization. No longer. Webpages are increasingly composed of content from myriad …

Information about us, our actions, and our preferences is created at scale through surveys or
scientific studies or as a result of our interaction with digital devices such as smartphones …

Online information intermediaries such as Facebook and Google are slowly replacing
traditional media channels thereby partly becoming the gatekeepers of our society. To deal …

Ad platforms such as Facebook, Google and LinkedIn promise value for advertisers through
their targeted advertising. However, multiple studies have shown that ad delivery on such …

Over the past decade, social network sites have experienced dramatic growth in popularity,
reaching most demographics and providing new opportunities for interaction and …

Machine learning algorithms for prediction are increasingly being used in critical decisions
affecting human lives. Various fairness formalizations, with no firm consensus yet, are …

Differential privacy is at a turning point. Implementations have been successfully leveraged
in private industry, the public sector, and academia in a wide variety of applications, allowing …

Targeted advertising has been subject to many privacy complaints from both users and
policy makers. Despite this attention, users still have little understanding of what data the …

Sites like Facebook and Google now serve as de facto data brokers, aggregating data on
users for the purpose of implementing powerful advertising platforms. Historically, these …

Content and services which are offered for free on the Internet are primarily monetized
through online advertisement. This business model relies on the implicit agreement between …