Christopher W. Johnson

2013

doi dblp
#trapped!: social media search system requirements for emergency management professionals.
Stefan Raue|Leif Azzopardi|Christopher W. Johnson
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

2012

doi dblp
Crisees: Real-Time Monitoring of Social Media Streams to Support Crisis Management.
David Maxwell|Stefan Raue|Leif Azzopardi|Christopher W. Johnson|Sarah Oates
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings