Fredrik Johansson

Publication Activity (10 Years)

Years Active: 2004-2024
Publications (10 Years): 28

Top Topics

Matrix Multiplication

Elementary Functions

Authorship Attribution

Top Venues

CLEF (Working Notes)

Secur. Informatics

Publications

Abbas Abbaszadeh Shahri, Chunling Shan, Stefan Larsson, Fredrik Johansson
Normalizing Large Scale Sensor-Based MWD Data: An Automated Method toward A Unified Database. Sensors 24 (4) (2024)
Matthew Ricci, Junkyung Kim, Fredrik Johansson
A computational passage-of-time model of the cerebellar Purkinje cell in eyeblink conditioning. Frontiers Comput. Neurosci. 17 (2023)
Fredrik Johansson
Arbitrary-precision computation of the gamma function. Maple Trans. 3 (1) (2023)
Lena Stempfle, Fredrik Johansson
Sharing pattern submodels for prediction with missing values. CoRR (2022)
Harald Stiff, Fredrik Johansson
Detecting computer-generated disinformation. Int. J. Data Sci. Anal. 13 (4) (2022)
Fredrik Johansson
Computing elementary functions using multi-prime argument reduction. CoRR (2022)
Johan Sabel, Fredrik Johansson
On the Robustness and Generalizability of Face Synthesis Detection Methods. CVPR Workshops (2021)
Fredrik Johansson
Calcium: Computing in Exact Real and Complex Fields. ISSAC (2021)
Fredrik Johansson
Rapid computation of special values of Dirichlet L-functions. CoRR (2021)
Eduardo Friedman, Fredrik Johansson, Gabriel Ramirez-Raposo
The minimal Fried average entropy for higher-rank Cartan actions. Math. Comput. 90 (328) (2021)
Johan Fernquist, Björn Pelzer, Lukas Lundmark, Lisa Kaati, Fredrik Johansson
Similarity ranking using handcrafted stylometric traits in a swedish context. ASONAM (2021)
Lukas Lundmark, Fredrik Johansson, Björn Pelzer, Lisa Kaati, Johan Fernquist
The Applicability of Authorship Verification to Swedish Discussion Forums. IEEE BigData (2020)
Oskar Dahl, Fredrik Johansson, Reza Khoshkangini, Sepideh Pashami, Slawomir Nowaczyk, Pihl Claes
Understanding Association Between Logged Vehicle Data and Vehicle Marketing Parameters: Using Clustering and Rule-Based Machine Learning. IMMS (2020)
Therese Lindberg, Fredrik Johansson, Anders Peterson, Andreas Tapani
Microsimulation of Bus Terminals: A Case Study from Stockholm. WSC (2020)
Fredrik Johansson
FunGrim: a symbolic library for special functions. CoRR (2020)
Fredrik Johansson
Calcium: computing in exact real and complex fields. CoRR (2020)
Fredrik Johansson
Ball Arithmetic as a Tool in Computer Algebra. MC (2019)
Fredrik Johansson
Faster arbitrary-precision dot product and matrix multiplication. CoRR (2019)
Tim Isbister, Fredrik Johansson
Dick-Preston and Morbo at SemEval-2019 Task 4: Transfer Learning for Hyperpartisan News Detection. SemEval@NAACL-HLT (2019)
Fredrik Johansson
Supervised Classification of Twitter Accounts Based on Textual Content of Tweets. CLEF (Working Notes) (2019)
Johan Fernquist, Ola Svenonius, Lisa Kaati, Fredrik Johansson
Extracting Account Attributes for Analyzing Influence on Twitter. EISIC (2019)
Fredrik Johansson
Faster Arbitrary-Precision Dot Product and Matrix Multiplication. ARITH (2019)
Fredrik Johansson, Tim Isbister
FOI Cross-Domain Authorship Attribution for Criminal Investigations. CLEF (Working Notes) (2019)
Michael Ashcroft, Fredrik Johansson, Lisa Kaati, Amendra Shrestha
Multi-domain Alias Matching Using Machine Learning. ENIC (2016)
Fredrik Johansson
Computing hypergeometric functions rigorously. CoRR (2016)
Christopher Teljstedt, Magnus Rosell, Fredrik Johansson
A Semi-automatic Approach for Labeling Large Amounts of Automated and Non-automated Social Media User Accounts. ENIC (2015)
David Trang, Fredrik Johansson, Magnus Rosell
Evaluating Algorithms for Detection of Compromised Social Media User Accounts. ENIC (2015)
Fredrik Johansson, Lisa Kaati, Amendra Shrestha
Timeprints for identifying social media users with multiple aliases. Secur. Informatics 4 (1) (2015)
Fredrik Johansson
Efficient implementation of elementary functions in the medium-precision range. CoRR (2014)
Fredrik Johansson, Brian Nakamura
Using functional equations to enumerate 1324-avoiding permutations. Adv. Appl. Math. 56 (2014)
Fredrik Johansson, Lisa Kaati, Amendra Shrestha
Time Profiles for Identifying Users in Online Environments. JISIC (2014)
Fredrik Johansson, Anders Peterson, Andreas Tapani
Local performance measures of pedestrian traffic. Public Transp. 6 (1-2) (2014)
Joel Brynielsson, Fredrik Johansson, Carl Jonsson, Anders Westling
Emotion classification of social media posts for estimating people's reactions to communicated alert messages during crises. Secur. Informatics 3 (1) (2014)
Joel Brynielsson, Fredrik Johansson, Anders Westling
Learning to classify emotional content in crisis-related tweets. ISI (2013)
Joel Brynielsson, Fredrik Johansson, Sinna Lindquist
Using Video Prototyping as a Means to Involve Crisis Communication Personnel in the Design Process: Innovating Crisis Management by Creating a Social Media Awareness Tool. HCI (15) (2013)
Joel Brynielsson, Andreas Horndahl, Fredrik Johansson, Lisa Kaati, Christian Mårtenson, Pontus Svenson
Harvesting and analysis of weak signals for detecting lone wolf terrorists. Secur. Informatics 2 (1) (2013)
Fredrik Johansson, Lisa Kaati, Amendra Shrestha
Detecting multiple aliases in social media. ASONAM (2013)
Fredrik Johansson
Arb: a C library for ball arithmetic. ACM Commun. Comput. Algebra 47 (3/4) (2013)
Anna Edberg, Daniel Soeria-Atmadja, Jonas Laurila Bergman, Fredrik Johansson, Mats G. Gustafsson, Ulf Hammerling
Assessing Relative Bioactivity of Chemical Substances Using Quantitative Molecular Network Topology Analysis. J. Chem. Inf. Model. 52 (5) (2012)
Joel Brynielsson, Andreas Horndahl, Fredrik Johansson, Lisa Kaati, Christian Mårtenson, Pontus Svenson
Analysis of Weak Signals for Detecting Lone Wolf Terrorists. EISIC (2012)
Fredrik Johansson
Efficient implementation of the Hardy-Ramanujan-Rademacher formula. LMS J. Comput. Math. 15 (2012)
Fredrik Johansson, Joel Brynielsson, Maribel Narganes Quijano
Estimating Citizen Alertness in Crises Using Social Media Monitoring and Analysis. EISIC (2012)
Johan Dahlin, Fredrik Johansson, Lisa Kaati, Christian Mårtenson, Pontus Svenson
Combining Entity Matching Techniques for Detecting Extremist Behavior on Discussion Boards. ASONAM (2012)
Fredrik Johansson, Christian Mårtenson, Pontus Svenson
A social network analysis of the information fusion community. FUSION (2011)
Fredrik Johansson, Göran Falkman
Real-time Allocation of Firing Units To Hostile Targets. J. Adv. Inf. Fusion 6 (2) (2011)
Fredrik Johansson, Joel Brynielsson, Pontus Hörling, Michael Malm, Christian Mårtenson, Staffan Truvé, Magnus Rosell
Detecting Emergent Conflicts through Web Mining and Visualization. EISIC (2011)
Fredrik Johansson
A fast algorithm for reversion of power series CoRR (2011)
Fredrik Johansson, Göran Falkman
A Suite of Metaheuristic Algorithms for Static Weapon-Target Allocation. GEM (2010)
Fredrik Johansson, Hiroyuki Toh
A comparative study of conservation and variation scores. BMC Bioinform. 11 (2010)
Fredrik Johansson, Hiroyuki Toh
Relative von Neumann Entropy for Evaluating amino acid conservation. J. Bioinform. Comput. Biol. 8 (5) (2010)
Fredrik Johansson, Göran Falkman
Real-time allocation of defensive resources to rockets, artillery, and mortars. FUSION (2010)
Fredrik Johansson, Göran Falkman
SWARD: System for weapon allocation research & development. FUSION (2010)
Fredrik Johansson, Göran Falkman
Performance Evaluation of TEWA Systems for Improved Decision Support. MDAI (2009)
Lars Niklasson, Maria Riveiro, Fredrik Johansson, Anders Dahlbom, Göran Falkman, Tom Ziemke, Christoffer Brax, Thomas Kronhamn, Martin Smedberg, Håkan Warston, Per M. Gustavsson
Extending the scope of situation analysis. FUSION (2008)
Maria Riveiro, Fredrik Johansson, Göran Falkman, Tom Ziemke
Supporting Maritime Situation Awareness Using Self Organizing Maps and Gaussian Mixture Models. SCAI (2008)
Fredrik Johansson, Martin Kanje, Cecilia E. Linsmeier, Lars Wallman
. IEEE Trans. Biomed. Eng. 55 (4) (2008)
Fredrik Johansson, Göran Falkman
A Bayesian network approach to threat evaluation with application to an air defense scenario. FUSION (2008)
Fredrik Johansson, Göran Falkman
A Comparison between Two Approaches to Threat Evaluation in an Air Defense Scenario. MDAI (2008)
Lars Niklasson, Maria Riveiro, Fredrik Johansson, Anders Dahlbom, Göran Falkman, Tom Ziemke, Christoffer Brax, Thomas Kronhamn, Martin Smedberg, Håkan Warston, Per M. Gustavsson
A Unified Situation Analysis Model for Human and Machine Situation Awareness. GI Jahrestagung (2) (2007)
Fredrik Johansson, Göran Falkman
Implementation and integration of a Bayesian Network for prediction of tactical intention into a ground target simulator. FUSION (2006)
Fredrik Johansson, Tony Johansson
Mobile IPv4 Extension for Carrying Network Access Identifiers. RFC 3846 (2004)