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Fredrik Johansson
Fredrik Johansson
Senior Scientist @ Swedish Defence Research Agency (FOI)
Verifierad e-postadress på foi.se
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Detecting linguistic markers for radical violence in social media
K Cohen, F Johansson, L Kaati, JC Mork
Terrorism and Political Violence 26 (1), 246-256, 2014
2192014
A Bayesian network approach to threat evaluation with application to an air defense scenario
F Johansson, G Falkman
2008 11th International conference on information fusion, 1-7, 2008
1252008
Harvesting and analysis of weak signals for detecting lone wolf terrorists
J Brynielsson, A Horndahl, F Johansson, L Kaati, C Mårtenson, ...
Security Informatics, 2013
1172013
Detection of vessel anomalies-a bayesian network approach
F Johansson, G Falkman
2007 3rd International Conference on Intelligent Sensors, Sensor Networks …, 2007
942007
Estimating citizen alertness in crises using social media monitoring and analysis
F Johansson, J Brynielsson, MN Quijano
2012 European Intelligence and Security Informatics Conference, 189-196, 2012
822012
Detecting multiple aliases in social media
F Johansson, L Kaati, A Shrestha
2013 IEEE/ACM International Conference on Advances in Social Networks …, 2013
702013
Evaluating the performance of TEWA systems
F Johansson
Örebro University, 2010
652010
Emotion classification of social media posts for estimating people’s reactions to communicated alert messages during crises
J Brynielsson, F Johansson, C Jonsson, A Westling
Security Informatics 3 (1), 7, 2014
562014
Analysis of weak signals for detecting lone wolf terrorists
J Brynielsson, A Horndahl, F Johansson, L Kaati, C Mårtenson, ...
2012 European Intelligence and Security Informatics Conference, 197-204, 2012
562012
A comparison between two approaches to threat evaluation in an air defense scenario
F Johansson, G Falkman
Modeling Decisions for Artificial Intelligence, 110-121, 2008
432008
Timeprints for identifying social media users with multiple aliases
F Johansson, L Kaati, A Shrestha
Security Informatics 4 (7), 2015
332015
Real-time Allocation of Firing Units To Hostile Targets
F Johansson, G FALKMAN
Journal of Advances in Information Fusion 6 (2), 187-199, 2011
292011
Learning to classify emotional content in crisis-related tweets
J Brynielsson, F Johansson, A Westling
Proceedings of the 2013 IEEE International Conference on Intelligence and …, 2013
282013
Implementation and integration of a Bayesian Network for prediction of tactical intention into a ground target simulator
F Johansson, G Falkman
Information Fusion, 2006 9th International Conference on, 1-7, 2006
282006
An empirical investigation of the static weapon-target allocation problem
F Johansson, G Falkman
Proceedings of the 3rd Skövde Workshop on Information Fusion Topics, 63-67, 2009
262009
Extending the scope of situation analysis
L Niklasson, M Riveiro, F Johansson, A Dahlbom, G Falkman, T Ziemke, ...
2008 11th international conference on information fusion, 1-8, 2008
262008
Supporting maritime situation awareness using self organizing maps and gaussian mixture models
M Riveiro, F Johansson, G Falkman, T Ziemke
Frontiers in Artificial Intelligence and Applications 173, 84, 2008
262008
Evaluating algorithms for detection of compromised social media user accounts
David Trång, Fredrik Johansson, Magnus Rosell
Proceedings of the Second European Network Intelligence Conference (ENIC …, 2015
25*2015
Combining entity matching techniques for detecting extremist behavior on discussion boards
J Dahlin, F Johansson, L Kaati, C Martenson, P Svenson
Proceedings of the 2012 International Conference on Advances in Social …, 2012
252012
Detecting linguistic markers of violent extremism in online environments
F Johansson, L Kaati, M Sahlgren
Artificial intelligence: Concepts, methodologies, tools, and applications …, 2017
232017
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Artiklar 1–20