Program
Mobile devices and microblogging are emerging as significant means of spreading information during disasters not only to affected communities but also to professional responders for time-critical situational awareness (Imran et al., 2013). As the usefulness of information varies significantly, it is common for human annotators to examine the content of incoming messages and control their dissemination in a content moderation process (Link et al., 2013). The large volume, high velocity, and variety of user-generated contents from both mobile devices and social media platforms such as Twitter create a processing bottleneck in finding relevant and valuable information.
With on-topic tweets being ...