During crisis events, people often seek out event-related information to stay informed of what is happening. However, when information from official channels is lacking or disseminated irregularly, people may be at risk for exposure to rumors that fill the information void. We studied information-seeking during a university lockdown following an active-shooter event. In study 1, students in the...

The concept of testing the stream classification procedure with field data collected by a group of independent field crews is encouraged by this author and can be beneficial. However, regardless of which classification system is being tested, the protocols and procedures specific to the classification system must be followed. This discussion demonstrates that the Rosgen classification system wa...

With BitTorrent-like protocols a client may download a file from a large and changing set of peers, using connections of heterogeneous and timevarying bandwidths. This flexibility is achieved by breaking the file into many small pieces, each of which may be downloaded from different peers. This paper considers an approach to peer-assisted on-demand delivery of stored media that is based on the ...

T here have been serious efforts over the past 40 years to use newspaper articles to create global-scale databases of events occurring in every corner of the world, to help understand and shape responses to global problems. Although most have been limited by the technology of the time (1) [see supplementary materials (SM)], two recent groundbreaking projects to provide global, real-time “event ...

This paper describes a research framework defining “virtualness” based on work cycle synchronicity and differences in member location and culture. This framework is extended into a research model investigating relationships between work team virtualness and communication. Various facets of communication are examined including media choice and communication effectiveness. A discussion of an on-g...

Social media has become an effective channel for communicating both trends and public opinion on current events. However the automatic topic classification of social media content pose various challenges. Topic classification is a common technique used for automatically capturing themes that emerge from social media streams. However, such techniques are sensitive to the evolution of topics when...