The perils of next-gen surveillance technology

Display Omitted Supervised models are evaluated for identifying e-cigarette proponents on Twitter.Both profile bio and recent tweets play a role in improving model performance.Proponents can be identified with an F-score of 91% and accuracy of 96%...

Social media platforms have become a popular source of information for real-time monitoring of events and user behavior. In particular, Twitter provides invaluable information related to diseases and public health to build real-time disease ...

• We develop EpiBank dataset containing 271 million tweets related to six diseases.
• We develop ESS-T tool to collect and analysis of tweets for epidemic surveillance.
• ESS-T filter and assign geo-tag to tweets with 94% accuracy and 95%...

• We investigated Twitter’s use in citizen journalism in the Wisconsin labor protests.
• Study of 775,030 tweets revealed differences in mobile and non-mobile use.
• Mobile users were more likely to post news links.
• Tweets with links ...

Recently, Twitter has become a prominent part of social protest movement communication. This study examines Twitter as a new kind of citizen journalism platform emerging at the aggregate in the context of such “crisis” situations by undertaking a ...