• Publications
  • Influence
Microblogging during two natural hazards events: what twitter may contribute to situational awareness
TLDR
We analyze microblog posts generated during two recent, concurrent emergency events in North America via Twitter, a popular microblogging service. Expand
  • 1,333
  • 85
  • PDF
What to Expect When the Unexpected Happens: Social Media Communications Across Crises
TLDR
The use of social media to communicate timely information during crisis situations has become a common practice in recent years. Expand
  • 312
  • 40
  • PDF
Processing Social Media Messages in Mass Emergency
TLDR
We survey the state of the art regarding computational methods for studying disasters from the perspective of information processing and management, specifically methods for processing social media content. Expand
  • 536
  • 33
  • PDF
AIDR: artificial intelligence for disaster response
TLDR
We present AIDR (Artificial Intelligence for Disaster Response), a platform designed to perform automatic classification of crisis-related microblog communications. Expand
  • 367
  • 33
  • PDF
CrisisLex: A Lexicon for Collecting and Filtering Microblogged Communications in Crises
TLDR
We build a crisis lexicon consisting of crisisrelated terms that tend to frequently appear across various crisis situations that can be used to sample a large set of tweets. Expand
  • 252
  • 33
  • PDF
Chatter on the red: what hazards threat reveals about the social life of microblogged information
TLDR
This paper considers a subset of the computer-mediated communication (CMC) that took place during the flooding of the Red River Valley in the US and Canada in March and April 2009. Expand
  • 456
  • 31
  • PDF
Natural Language Processing to the Rescue? Extracting "Situational Awareness" Tweets During Mass Emergency
TLDR
We describe an approach for automatically identifying messages communicated via Twitter that contribute to situational awareness, and explain why it is beneficial for those seeking information during mass emergencies. Expand
  • 297
  • 21
  • PDF
Collective Intelligence in Disaster: Examination of the Phenomenon in the Aftermath of the 2007 Virginia Tech Shooting
We report on the results of an investigation about the “informal,” public-side communications that occurred in the aftermath of the April 16, 2007 Virginia Tech (VT) Shooting. Our on-going researchExpand
  • 232
  • 14
  • PDF
Crisis Informatics: Studying Crisis in a Networked World
Serious crises and disasters have micro and macro social arrangements that differ from routine situations, as the field of disaster studies has described over its 100-year history. With increasinglyExpand
  • 160
  • 12
  • PDF
From slacktivism to activism: participatory culture in the age of social media
TLDR
This SIG will investigate technology mediated social participation through a critical lens, discussing both the potential positive and negative outcomes of such participation. Expand
  • 113
  • 11
  • PDF
...
1
2
3
4
5
...