Ranking algorithms are the information gatekeepers of the Internet era. We develop a stylized framework to study the effects of ranking algorithms on opinion dynamics. We consider rankings that depend on popularity and on personalization. We find that popularity driven rankings can enhance...

The study investigates the impact of user-generated content (UGC) and micro-celebrity posts on the online purchasing behavior of Generation Z on social networking sites. In addition, the mediator function of the user's search intent is investigated. Thus, sponsored ads employ moderation. To...

One of the challenges of dealing with multiple contexts is the significant effort required to provide all necessary lifting rules so that statements in one context can be viewed and understood in other contexts. In this paper, we introduce the notion of structured contexts, where a lightweight...