The headache any researcher faces while using Twitter data for social scientific analysis is that we do not know who tweets. In this article, we report on results from the British Social Attitudes Survey (BSA) 2015 on Twitter use. We focus on associations between using Twitter and three demographic characteristics—age, sex, and class (defined here as National Statistics SocioEconomic Classifica...

Organizations have used social media extensively to engage customers, but little is known if such engagement truly influences organizations’ decisions to make them closer to their customers. This paper studies this question in a unique context – the impact of U.S. Representatives’ Twitter engagement on their voting behavior in The Congress. In particular, we consider whether the adoption and fr...

INTRODUCTION Twitter has recently gained popularity in emergency medicine (EM). Opinion leaders on Twitter have significant influence on the conversation and content, yet little is known about these opinion leaders. We aimed to describe a methodology to identify the most influential emergency physicians (EP) on Twitter and present a current list. METHODS We analyzed 2,234 English-language EPs...

The public by default nature of Twitter messages, together with the adoption of the #hashtag convention led, in few years, to the creation of a digital space able to host worldwide conversation on almost every kind of topic. From major TV shows to Natural disasters there is no contemporary event that does not have its own #hashtag to gather together the ongoing Twitter conversation. These topic...

In this paper, we study the economic impact of user generated contents (UGC) in twitter on movies’ box offices. In contrast to other UGC such as online reviews, twitter more truthfully documents a product’s word of mouth (WOM) among ordinary consumers. We develop a new text mining technique to extract and analyze the movie conversations among twitter users. This mining technique is specially-de...

OSN today gives some type of privacy controls to protect a user’s shared information from other users, these controls are insufficiently expressive to provides fine protection. We introduce Twitsper to support control over who sees a user messages in Twitter. Twitsper gives privacy controls to the users of Twitter without depending on Twitter to make changes. This is because it is a wrapper in ...

To date, as one of the most popular Online Social Networks (OSNs), Twitter is paying its dues as more and more spammers set their sights on this microblogging site. Twitter spammers can achieve their malicious goals such as sending spam, spreading malware, hosting botnet command and control (C&C) channels, and launching other underground illicit activities. Due to the significance and indispens...

To date, as one of the most popular Online Social Networks (OSNs), Twitter is paying its dues as more and more spammers set their sights on this microblogging site. The Twitter spammers can achieve their malicious goals such as sending spam, spreading malware, hosting botnet command and control (C&C) channels, and launching other underground illicit activities. Due to the significance and indis...

Social media now plays a pivotal role in electoral campaigns. Rapid dissemination of information through platforms such as Twitter has enabled politicians to broadcast their message to a wide audience. In this paper, we investigated the sentiment of tweets by the two main presidential candidates, Hillary Clinton and Donald Trump, along with almost 2.9 million tweets by Twitter users during the ...

The unprecedented use of social media through smartphones and other web-enabled mobile devices has enabled the rapid adoption of platforms like Twitter. Event detection has found many applications on the web, including breaking news identification and summarization. The recent increase in the usage of Twitter during crises has attracted researchers to focus on detecting events in tweets. Howeve...