000 01164nam a2200193 4500
008 170328b xxu||||| |||| 00| 0 eng d
020 _a9781107135765
082 _a384.33
_bCAS
100 _aCastillo, Carlos
_910754
245 _aBig Crisis Data: Social Media in Disasters and Time-Critical Situations
260 _bCambridge University Press
_c2016
_aNew York
300 _a212p
500 _a1. Introduction 2. Volume: Data Acquisition, Storage, and Retrieval 3. Vagueness: Natural Language and Semantics 4. Variety: Classification and Clustering 5. Virality: Networks and Information Propagation 6. Velocity: Online Methods and Data Streams 7. Volunteers: Humanitarian Crowdsourcing 8. Veracity: Misinformation and Credibility 9. Validity: Biases and Pitfalls of Social Media Data 10. Visualization: Crisis Maps and Beyond 11. Values: Privacy and Ethics 12. Conclusions and Outlooks
600 _aDisaster Relief - Citizen Participation
_97944
600 _aOnline Social Networks
_919993
600 _aData Mining
_921221
600 _aEmergency Management - Information Technology
_921222
942 _2ddc
_cLB
_k384.33
_mCAS
999 _c106576
_d106576