There is a growing need to comprehensively understand how messages and online conversations construct and convey meanings especially when they are likely to be distributed across multiple social media platforms. This paper introduces a framework to address this need, the Social Semiotic Multimodal (SSMM) framework based on multimodal extensions to Systemic Functional Linguistics, a semiotic the...

background and purpose: the internet offers a wide range of online digital resources for the field of toxicology. methods: the history of toxicology and electronic data collections are reviewed. this review presents a brief and non-comprehensive overview of a representative sampling of some of the broad array of toxicology-related learning, tutorial and information resources now becoming widely...

A hyperbolic portrayal of Ebola in the US resulted in a crisis of misinformation, when an actual outbreak never occurred. We study how online mass media uses discourse in the constitution of a culture of fear, and how non-expert actors (e.g. media) employ a specific line of discussion to legitimize actions outside of science. Strange nationalism is a fantastical construction of foreign, invasiv...

One of the benefits of online journalism has been the enhancement of freedom of expression among the Arab online population [1,2]. Many Arab countries have a long and rich history of practicing censorship of traditional mass media [3]. However, the technological developments of the 1990s helped to establish new media that have begun to change the landscape of the relationship between the govern...

The ability to accurately identify “reply-to” relations in online discussions has important implications for various social media analytics applications. However, accurately identifying such interactions remains a challenge, with existing methods providing inadequate performance. In this study, we propose a novel method for modeling social media interactions. The proposed method leverages sever...

Over the past several years, we have seen the emergence of new paradigm in the Internet, online social media networking, which provide Internet users to communicate and collaborate with family, friends, social groups, and other community by using social media tools (i.e., Twitter, Facebook, MySpace, and Youtube). The use of social media for communication is becoming more prevalent worldwide, wi...

As patients continue to turn to online resources for health care information to guide their care decisions, it is becoming increasingly important for radiologists to engage with patients online via social media platforms. There are many ways physicians can use social media to provide patients with valuable information and improve the overall patient experience. By optimizing online discoverabil...

The digitization has led to an ecosystem in which an online media portal has become an essential extension of traditional media and users are enabled to consume news and entertainment via different platforms. These evolutions pose some challenges for the media companies in terms of shifting business models, but they also bring them new possibilities in managing their relations with users. An im...

The emergence of the mediated social web – a distributed network of participants creating rich media content and engaging in interactive conversations through Internet-based communication technologies – has contributed to the evolution of powerful social, economic and cultural change. Online social network sites and blogs, such as Facebook, Twitter, Flickr and LiveJournal, thrive due to their f...

This study addresses a growing trend in how consumers obtain and use information prior to making their online purchasing decisions. Specifically, the authors investigate the relationship between online word-ofmouth (WOM, i.e., customer reviews and ratings) and sales (as measured by Amazon “ranks”) for different product categories. Using data collected from Amazon, the authors find that online W...