Ulf Johansson

ORCID

Publication Activity (10 Years)

Years Active: 2003-2024
Publications (10 Years): 46

Top Venues

Linköping University, Sweden (PHD)

Education History

Linköping University, Sweden

PHD

Publications

Helena Löfström, Tuwe Löfström, Ulf Johansson, Cecilia Sönströd
Calibrated explanations: With uncertainty information and counterfactuals. Expert Syst. Appl. 246 (2024)
Amr Alkhatib, Henrik Boström, Sofiane Ennadir, Ulf Johansson
Approximating Score-based Explanation Techniques Using Conformal Regression. CoRR (2023)
Ulf Johansson, Tuwe Löfström, Cecilia Sönströd
Well-Calibrated Probabilistic Predictive Maintenance using Venn-Abers. CoRR (2023)
Ulf Johansson, Tuwe Löfström, Cecilia Sönströd, Helena Löfström
Conformal Prediction for Accuracy Guarantees in Classification with Reject Option. MDAI (2023)
Amr Alkhatib, Henrik Boström, Sofiane Ennadir, Ulf Johansson
Approximating Score-based Explanation Techniques Using Conformal Regression. COPA (2023)
Helena Löfström, Tuwe Löfström, Ulf Johansson, Cecilia Sönströd
Calibrated Explanations: with Uncertainty Information and Counterfactuals. CoRR (2023)
Tuwe Löfström, Alexander Bondaletov, Artem Ryasik, Henrik Boström, Ulf Johansson
Tutorial on using Conformal Predictive Systems in KNIME. COPA (2023)
Ulf Johansson, Cecilia Sönströd, Tuwe Löfström, Henrik Boström
Confidence Classifiers with Guaranteed Accuracy or Precision. COPA (2023)
Tuwe Löfström, Helena Löfström, Ulf Johansson, Cecilia Sönströd
Calibrated Explanations for Regression. CoRR (2023)
Ulf Johansson, Cecilia Sönströd, Tuwe Löfström, Henrik Boström
Rule extraction with guarantees from regression models. Pattern Recognit. 126 (2022)
Amr Alkhatib, Henrik Boström, Ulf Johansson
Assessing Explanation Quality by Venn Prediction. COPA (2022)
Dirar Sweidan, Ulf Johansson, Anders Gidenstam, Beatrice Alenljung
Predicting Customer Churn in Retailing. ICMLA (2022)
Ulf Johansson, Henrik Boström, Khuong An Nguyen, Zhiyuan Luo, Lars Carlsson
Preface. COPA (2022)
Tuwe Löfström, Artem Ryasik, Ulf Johansson
Tutorial for using conformal prediction in KNIME. COPA (2022)
Ulf Johansson, Erik Wilderoth, Arsalan Sattari
How Analytics is Changing Ice Hockey. LINHAC (2022)
Helena Löfström, Karl Hammar, Ulf Johansson
A Meta Survey of Quality Evaluation Criteria in Explanation Methods. CoRR (2022)
Ulf Johansson, Tuwe Löfström, Niclas Ståhl
Well-Calibrated Rule Extractors. COPA (2022)
Helena Löfström, Karl Hammar, Ulf Johansson
A Meta Survey of Quality Evaluation Criteria in Explanation Methods. CAiSE Forum (2022)
Erik Wilderoth, Ulf Johansson, Arsalan Sattari
Where not to lose the puck. LINHAC (2022)
Arsalan Sattari, Ulf Johansson, Erik Wilderoth, Jasmin Jakupovic, Peter Larsson-Green
The Interpretable Representation of Football Player Roles Based on Passing/Receiving Patterns. MLSA@PKDD/ECML (2021)
Simon Arvidsson, Patrick Gabrielsson, Ulf Johansson
Texture Mapping of Flags onto Polandball Characters using Convolutional Neural Nets. IJCNN (2021)
Ulf Johansson, Tuwe Löfström, Henrik Boström
Well-Calibrated and Sharp Interpretable Multi-Class Models. MDAI (2021)
Ulf Johansson, Henrik Boström, Tuwe Löfström
Investigating Normalized Conformal Regressors. SSCI (2021)
Henrik Boström, Ulf Johansson, Tuwe Löfström
Mondrian conformal predictive distributions. COPA (2021)
Ulf Johansson, Tuwe Löfström, Henrik Boström
Calibrating multi-class models. COPA (2021)
Henrik Boström, Ulf Johansson
Mondrian conformal regressors. COPA (2020)
Ulf Johansson, Tuwe Löfström
Well-calibrated and specialized probability estimation trees. SDM (2020)
Henrik Linusson, Ulf Johansson, Henrik Boström
Efficient conformal predictor ensembles. Neurocomputing 397 (2020)
Ulf Johansson, Tuve Löfström, Henrik Linusson, Henrik Boström
Efficient Venn predictors using random forests. Mach. Learn. 108 (3) (2019)
Ulf Johansson, Tuwe Löfström, Henrik Boström, Cecilia Sönströd
Interpretable and specialized conformal predictors. COPA (2019)
Ulf Johansson, Cecilia Sönströd, Tuwe Löfström, Henrik Boström
Customized Interpretable Conformal Regressors. DSAA (2019)
Ulf Johansson, Patrick Gabrielsson
Are Traditional Neural Networks Well-Calibrated? IJCNN (2019)
Chandadevi Giri, Ulf Johansson, Tuwe Löfström
Predictive Modeling of Campaigns to Quantify Performance in Fashion Retail Industry. IEEE BigData (2019)
Ulf Johansson, Tuwe Löfström, Henrik Boström
Calibrating Probability Estimation Trees using Venn-Abers Predictors. SDM (2019)
Henrik Boström, Ulf Johansson, Anders Vesterberg
Predicting with Confidence from Survival Data. COPA (2019)
Rubén Buendía, Thierry Kogej, Ola Engkvist, Lars Carlsson, Henrik Linusson, Ulf Johansson, Paolo Toccaceli, Ernst Ahlberg
Accurate Hit Estimation for Iterative Screening Using Venn-ABERS Predictors. J. Chem. Inf. Model. 59 (3) (2019)
Ulf Johansson, Henrik Linusson, Tuve Löfström, Henrik Boström
Interpretable regression trees using conformal prediction. Expert Syst. Appl. 97 (2018)
Ulf Johansson, Tuwe Löfström, Håkan Sundell, Henrik Linusson, Anders Gidenstam, Henrik Boström
Venn predictors for well-calibrated probability estimation trees. COPA (2018)
Henrik Linusson, Ulf Johansson, Henrik Boström, Tuve Löfström
Classification with Reject Option Using Conformal Prediction. PAKDD (1) (2018)
Ernst Ahlberg, Susanne Winiwarter, Henrik Boström, Henrik Linusson, Tuve Löfström, Ulf Norinder, Ulf Johansson, Ola Engkvist, Oscar Hammar, Claus Bendtsen, Lars Carlsson
Using Conformal Prediction to Prioritize Compound Synthesis in Drug Discovery. COPA (2017)
Henrik Boström, Henrik Linusson, Tuve Löfström, Ulf Johansson
Accelerating difficulty estimation for conformal regression forests. Ann. Math. Artif. Intell. 81 (1-2) (2017)
Ulf Johansson, Henrik Linusson, Tuve Löfström, Henrik Boström
Model-agnostic nonconformity functions for conformal classification. IJCNN (2017)
Rikard König, Ulf Johansson, Maria Riveiro, Peter Brattberg
Modeling Golf Player Skill Using Machine Learning. CD-MAKE (2017)
Henrik Linusson, Ulf Norinder, Henrik Boström, Ulf Johansson, Tuve Löfström
On the Calibration of Aggregated Conformal Predictors. COPA (2017)
Henrik Boström, Henrik Linusson, Tuve Löfström, Ulf Johansson
Evaluation of a Variance-Based Nonconformity Measure for Regression Forests. COPA (2016)
Henrik Linusson, Ulf Johansson, Henrik Boström, Tuve Löfström
Reliable Confidence Predictions Using Conformal Prediction. PAKDD (1) (2016)
Rikard König, Ulf Johansson, Ann Lindqvist, Peter Brattberg
Interesting Regression- and Model Trees Through Variable Restrictions. KDIR (2015)
Ulf Johansson, Cecilia Sönströd, Henrik Linusson
Efficient conformal regressors using bagged neural nets. IJCNN (2015)
Ulf Johansson, Ernst Ahlberg, Henrik Boström, Lars Carlsson, Henrik Linusson, Cecilia Sönströd
Handling Small Calibration Sets in Mondrian Inductive Conformal Regressors. SLDS (2015)
Patrick Gabrielsson, Ulf Johansson
High-Frequency Equity Index Futures Trading Using Recurrent Reinforcement Learning with Candlesticks. SSCI (2015)
Maria Riveiro, Anders Dahlbom, Rikard König, Ulf Johansson, Peter Brattberg
Supporting Golf Coaching and Swing Instruction with Computer-Based Training Systems. HCI (24) (2015)
Lars Carlsson, Ernst Ahlberg, Henrik Boström, Ulf Johansson, Henrik Linusson
Modifications to p-Values of Conformal Predictors. SLDS (2015)
Tuve Löfström, Henrik Boström, Henrik Linusson, Ulf Johansson
Bias reduction through conditional conformal prediction. Intell. Data Anal. 19 (6) (2015)
Ulf Johansson, Cecilia Sönströd, Henrik Linusson, Henrik Boström
Regression trees for streaming data with local performance guarantees. IEEE BigData (2014)
Ulf Johansson, Cecilia Sönströd, Rikard König
Accurate and interpretable regression trees using oracle coaching. CIDM (2014)
Ulf Johansson, Rikard König, Henrik Linusson, Tuve Löfström, Henrik Boström
Rule Extraction with Guaranteed Fidelity. AIAI Workshops (2014)
Rikard König, Ulf Johansson
Rule extraction using genetic programming for accurate sales forecasting. CIDM (2014)
Henrik Linusson, Ulf Johansson, Henrik Boström, Tuve Löfström
Efficiency Comparison of Unstable Transductive and Inductive Conformal Classifiers. AIAI Workshops (2014)
Henrik Linusson, Ulf Johansson, Tuve Löfström
Signed-Error Conformal Regression. PAKDD (1) (2014)
Ulf Johansson, Henrik Boström, Tuve Löfström, Henrik Linusson
Regression conformal prediction with random forests. Mach. Learn. 97 (1-2) (2014)
Patrick Gabrielsson, Ulf Johansson, Rikard König
Co-evolving online high-frequency trading strategies using grammatical evolution. CIFEr (2014)
Ulf Johansson, Rikard König, Tuve Löfström, Henrik Boström
Evolved decision trees as conformal predictors. IEEE Congress on Evolutionary Computation (2013)
Ulf Johansson, Henrik Boström, Tuve Löfström
Conformal Prediction Using Decision Trees. ICDM (2013)
Ulf Johansson, Tuve Löfström, Henrik Boström
Overproduce-and-select: The grim reality. CIEL (2013)
Patrick Gabrielsson, Rikard König, Ulf Johansson
Evolving Hierarchical Temporal Memory-Based Trading Models. EvoApplications (2013)
Tuve Löfström, Ulf Johansson, Henrik Boström
Effective utilization of data in inductive conformal prediction using ensembles of neural networks. IJCNN (2013)
Ulf Johansson, Tuve Löfström, Henrik Boström
Random brains. IJCNN (2013)
Ulf Johansson, Cecilia Sönströd, Tuve Löfström, Henrik Boström
Obtaining accurate and comprehensible classifiers using oracle coaching. Intell. Data Anal. 16 (2) (2012)
Patrick Gabrielsson, Rikard König, Ulf Johansson
Hierarchical Temporal Memory-based algorithmic trading of financial markets. CIFEr (2012)
Ulf Johansson, Tuve Löfström
Producing implicit diversity in ANN ensembles. IJCNN (2012)
Ulf Johansson, Cecilia Sönströd, Tuve Löfström
One tree to explain them all. IEEE Congress on Evolutionary Computation (2011)
Cecilia Sönströd, Ulf Johansson, Rikard König
Evolving accurate and comprehensible classification rules. IEEE Congress on Evolutionary Computation (2011)
Ulf Johansson, Tuve Löfström, Cecilia Sönströd
Locally induced predictive models. SMC (2011)
Cecilia Sönströd, Ulf Johansson, Henrik Boström, Ulf Norinder
Pin-pointing concept descriptions. SMC (2010)
Tuve Löfström, Ulf Johansson, Henrik Boström
Comparing methods for generating diverse ensembles of artificial neural networks. IJCNN (2010)
Ulf Johansson, Rikard König, Lars Niklasson
Genetic rule extraction optimizing brier score. GECCO (2010)
Ulf Johansson, Rikard König, Tuve Löfström, Lars Niklasson
Using Imaginary Ensembles to Select GP Classifiers. EuroGP (2010)
Rikard König, Ulf Johansson, Tuve Löfström, Lars Niklasson
Improving GP classification performance by injection of decision trees. IEEE Congress on Evolutionary Computation (2010)
Ulf Johansson, Cecilia Sönströd, Tuve Löfström
Oracle Coached Decision Trees and Lists. IDA (2010)
Ulf Johansson, Cecilia Sönströd, Tuve Löfström, Rikard König
Using genetic programming to obtain implicit diversity. IEEE Congress on Evolutionary Computation (2009)
Ulf Johansson, Lars Niklasson
Evolving decision trees using oracle guides. CIDM (2009)
Cecilia Sönströd, Ulf Johansson, Tuve Löfström
Evaluating Algorithms for Concept Description. DMIN (2009)
Tuve Löfström, Ulf Johansson, Henrik Boström
Ensemble member selection using multi-objective optimization. CIDM (2009)
Ulf Johansson, Cecilia Sönströd
Fish or Shark - Data Mining Online Poker. DMIN (2009)
Ulf Johansson, Cecilia Sönströd, Tuve Löfström, Henrik Boström
Chipper - A Novel Algorithm for Concept Description. SCAI (2008)
Cecilia Sönströd, Ulf Johansson, Ulf Norinder, Henrik Boström
Comprehensible Models for Predicting Molecular Interaction with Heart-Regulating Genes. ICMLA (2008)
Rikard König, Ulf Johansson, Lars Niklasson
G-REX: A Versatile Framework for Evolutionary Data Mining. ICDM Workshops (2008)
Tuve Löfström, Ulf Johansson, Henrik Boström
On the Use of Accuracy and Diversity Measures for Evaluating and Selecting Ensembles of Classifiers. ICMLA (2008)
Ulf Johansson, Tuve Löfström, Henrik Boström
The problem with ranking ensembles based on training or validation performance. IJCNN (2008)
Cecilia Sönströd, Ulf Johansson, Rikard König, Lars Niklasson
Genetic Decision Lists for Concept Description. DMIN (2008)
Rikard König, Ulf Johansson, Lars Niklasson
Using Genetic Programming to Increase Rule Quality. FLAIRS Conference (2008)
Ulf Johansson, Tuve Löfström, Lars Niklasson
Evaluating Standard Techniques for Implicit Diversity. PAKDD (2008)
Ulf Johansson, Henrik Boström, Rikard König
Extending Nearest Neighbor Classification with Spheres of Confidence. FLAIRS Conference (2008)
Ulf Johansson, Rikard König, Lars Niklasson
Evolving a Locally Optimized Instance Based Learner. DMIN (2008)
Ulf Johansson, Rikard König, Tuve Löfström, Lars Niklasson
Increasing rule extraction accuracy by post-processing GP trees. IEEE Congress on Evolutionary Computation (2008)
Cecilia Sönströd, Ulf Johansson
Concept Description - A Fresh Look. IJCNN (2007)
Rikard König, Ulf Johansson, Lars Niklasson
Genetic programming - a tool for flexible rule extraction. IEEE Congress on Evolutionary Computation (2007)
Rikard König, Ulf Johansson, Lars Niklasson
Instance Ranking using Ensemble Spread. DMIN (2007)
Ulf Johansson, Rikard König, Lars Niklasson
Inconsistency - Friend or Foe. IJCNN (2007)
Cecilia Sönströd, Ulf Johansson, Rikard König
Towards a Unified View on Concept Description. DMIN (2007)

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Publication Activity (10 Years)

Top Topics

Top Venues

Ulf Johansson