The fifth edition of this comprehensive and engaging text guides readers through the
essential tools and skills necessary to conduct quantitative content analysis research …

Objective To describe the characteristics of risk perception measures used in tobacco
control research and to evaluate whether these measures incorporate measurement …

Twitter spam has long been a critical but difficult problem to be addressed. So far,
researchers have proposed many detection and defence methods in order to protect Twitter …

Online Social Networks (OSNs) such as Twitter and Facebook have become a significant
testing ground for Artificial Intelligence developers who build programs, known as …

We examine the long-term relationship between signals derived from nine years of
unstructured social media microblog text data and financial market developments in five …

Social media has generated a wealth of data. Billions of people tweet, sharing, post, and
discuss everyday. Due to this increased activity, social media platforms provide new …

There have been many studies that applied a data-driven analysis method to social media
data, and some have even argued that this method can replace traditional polls. However …

Researchers have begun studying content obtained from microblogging services such as
Twitter to address a variety of technological, social, and commercial research questions. The …

Social media provides increasing opportunities for users to voluntarily share their thoughts
and concerns in a large volume of data. While user-generated data from each individual …

We compare samples of tweets from the Twitter Streaming API constructed from different
connections that tracked the same popular keywords at the same time. We find that on …