Background Cyberbullying, defined as “aggressively intentional acts carried out by a group or an individual using electronic forms of contact, repeatedly or over time against victims who cannot easily defend themselves,” has been rising at an alarming rate. Previous research has found that nearly 43% of teens in the United States have been...

BackgroundTextual information is one of the most significant portions of data that users generate by participating in different online activities such as leaving online reviews and posting tweets. On one hand, textual data consists of abundant information about users’ behavior, preferences, and needs which is critical for understanding them. For...

Background Social media has become a primary source of news and can play a large role in the spread of fake news. Fake news can disturb the authenticity balance of the news ecosystem and persuade consumers to accept false information as true. To combat its spread, research into the detection of fake news has accelerated. However, the performance of...

Background Social media has become a primary source of news and can play a large role in the spread of fake news. Fake news can disturb the authenticity balance of the news ecosystem and persuade consumers to accept false information as true. To combat its spread, research into the detection of fake news has accelerated. However, most existing datasets...

Background Recommendations of user-to-user relationships (“friends”) and items (e.g., products, services) have become integral to the social media experience. When implemented effectively, both the user and the platform gain value. Unlike established sites however, newly launched social media sites lack the historical data typically necessary...