Ulf Johansson

Orcid: 0000-0003-0412-6199

According to our database1, Ulf Johansson authored at least 113 papers between 2003 and 2023.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

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Bibliography

2023
Calibrated Explanations for Regression.
CoRR, 2023

Well-Calibrated Probabilistic Predictive Maintenance using Venn-Abers.
CoRR, 2023

Calibrated Explanations: with Uncertainty Information and Counterfactuals.
CoRR, 2023

Conformal Prediction for Accuracy Guarantees in Classification with Reject Option.
Proceedings of the Modeling Decisions for Artificial Intelligence, 2023

Tutorial on using Conformal Predictive Systems in KNIME.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2023

Confidence Classifiers with Guaranteed Accuracy or Precision.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2023

Approximating Score-based Explanation Techniques Using Conformal Regression.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2023

2022
Rule extraction with guarantees from regression models.
Pattern Recognit., 2022

Where not to lose the puck.
Proceedings of the Linköping Hockey Analytics Conference 2022 Research Track, 2022

How Analytics is Changing Ice Hockey.
Proceedings of the Linköping Hockey Analytics Conference 2022 Research Track, 2022

Predicting Customer Churn in Retailing.
Proceedings of the 21st IEEE International Conference on Machine Learning and Applications, 2022

Tutorial for using conformal prediction in KNIME.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2022

Well-Calibrated Rule Extractors.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2022

Preface.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2022

Assessing Explanation Quality by Venn Prediction.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2022

A Meta Survey of Quality Evaluation Criteria in Explanation Methods.
Proceedings of the Intelligent Information Systems, 2022

2021
Investigating Normalized Conformal Regressors.
Proceedings of the IEEE Symposium Series on Computational Intelligence, 2021

The Interpretable Representation of Football Player Roles Based on Passing/Receiving Patterns.
Proceedings of the Machine Learning and Data Mining for Sports Analytics, 2021

Well-Calibrated and Sharp Interpretable Multi-Class Models.
Proceedings of the Modeling Decisions for Artificial Intelligence, 2021

Texture Mapping of Flags onto Polandball Characters using Convolutional Neural Nets.
Proceedings of the International Joint Conference on Neural Networks, 2021

Calibrating multi-class models.
Proceedings of the Conformal and Probabilistic Prediction and Applications, 2021

Mondrian conformal predictive distributions.
Proceedings of the Conformal and Probabilistic Prediction and Applications, 2021

2020
Efficient conformal predictor ensembles.
Neurocomputing, 2020

Well-calibrated and specialized probability estimation trees.
Proceedings of the 2020 SIAM International Conference on Data Mining, 2020

Mondrian conformal regressors.
Proceedings of the Conformal and Probabilistic Prediction and Applications, 2020

2019
Efficient Venn predictors using random forests.
Mach. Learn., 2019

Accurate Hit Estimation for Iterative Screening Using Venn-ABERS Predictors.
J. Chem. Inf. Model., 2019

Calibrating Probability Estimation Trees using Venn-Abers Predictors.
Proceedings of the 2019 SIAM International Conference on Data Mining, 2019

Are Traditional Neural Networks Well-Calibrated?
Proceedings of the International Joint Conference on Neural Networks, 2019

Customized Interpretable Conformal Regressors.
Proceedings of the 2019 IEEE International Conference on Data Science and Advanced Analytics, 2019

Interpretable and specialized conformal predictors.
Proceedings of the Conformal and Probabilistic Prediction and Applications, 2019

Predicting with Confidence from Survival Data.
Proceedings of the Conformal and Probabilistic Prediction and Applications, 2019

Predictive Modeling of Campaigns to Quantify Performance in Fashion Retail Industry.
Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

2018
Interpretable regression trees using conformal prediction.
Expert Syst. Appl., 2018

Classification with Reject Option Using Conformal Prediction.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2018

Venn predictors for well-calibrated probability estimation trees.
Proceedings of the 7th Symposium on Conformal and Probabilistic Prediction and Applications, 2018

2017
Accelerating difficulty estimation for conformal regression forests.
Ann. Math. Artif. Intell., 2017

Model-agnostic nonconformity functions for conformal classification.
Proceedings of the 2017 International Joint Conference on Neural Networks, 2017

On the Calibration of Aggregated Conformal Predictors.
Proceedings of the Conformal and Probabilistic Prediction and Applications, 2017

Using Conformal Prediction to Prioritize Compound Synthesis in Drug Discovery.
Proceedings of the Conformal and Probabilistic Prediction and Applications, 2017

Modeling Golf Player Skill Using Machine Learning.
Proceedings of the Machine Learning and Knowledge Extraction, 2017

2016
Reliable Confidence Predictions Using Conformal Prediction.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2016

Evaluation of a Variance-Based Nonconformity Measure for Regression Forests.
Proceedings of the Conformal and Probabilistic Prediction with Applications, 2016

2015
Bias reduction through conditional conformal prediction.
Intell. Data Anal., 2015

High-Frequency Equity Index Futures Trading Using Recurrent Reinforcement Learning with Candlesticks.
Proceedings of the IEEE Symposium Series on Computational Intelligence, 2015

Handling Small Calibration Sets in Mondrian Inductive Conformal Regressors.
Proceedings of the Statistical Learning and Data Sciences - Third International Symposium, 2015

Modifications to p-Values of Conformal Predictors.
Proceedings of the Statistical Learning and Data Sciences - Third International Symposium, 2015

Efficient conformal regressors using bagged neural nets.
Proceedings of the 2015 International Joint Conference on Neural Networks, 2015

Interesting Regression- and Model Trees Through Variable Restrictions.
Proceedings of the KDIR 2015, 2015

Supporting Golf Coaching and Swing Instruction with Computer-Based Training Systems.
Proceedings of the Learning and Collaboration Technologies, 2015

2014
Regression conformal prediction with random forests.
Mach. Learn., 2014

Signed-Error Conformal Regression.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2014

Efficiency Comparison of Unstable Transductive and Inductive Conformal Classifiers.
Proceedings of the Artificial Intelligence Applications and Innovations, 2014

Rule Extraction with Guaranteed Fidelity.
Proceedings of the Artificial Intelligence Applications and Innovations, 2014

Co-evolving online high-frequency trading strategies using grammatical evolution.
Proceedings of the IEEE Conference on Computational Intelligence for Financial Engineering & Economics, 2014

Rule extraction using genetic programming for accurate sales forecasting.
Proceedings of the 2014 IEEE Symposium on Computational Intelligence and Data Mining, 2014

Accurate and interpretable regression trees using oracle coaching.
Proceedings of the 2014 IEEE Symposium on Computational Intelligence and Data Mining, 2014

Regression trees for streaming data with local performance guarantees.
Proceedings of the 2014 IEEE International Conference on Big Data (IEEE BigData 2014), 2014

2013
Effective utilization of data in inductive conformal prediction using ensembles of neural networks.
Proceedings of the 2013 International Joint Conference on Neural Networks, 2013

Random brains.
Proceedings of the 2013 International Joint Conference on Neural Networks, 2013

Conformal Prediction Using Decision Trees.
Proceedings of the 2013 IEEE 13th International Conference on Data Mining, 2013

Evolving Hierarchical Temporal Memory-Based Trading Models.
Proceedings of the Applications of Evolutionary Computation - 16th European Conference, 2013

Overproduce-and-select: The grim reality.
Proceedings of the IEEE Symposium on Computational Intelligence and Ensemble Learning, 2013

Evolved decision trees as conformal predictors.
Proceedings of the IEEE Congress on Evolutionary Computation, 2013

2012
Obtaining accurate and comprehensible classifiers using oracle coaching.
Intell. Data Anal., 2012

Producing implicit diversity in ANN ensembles.
Proceedings of the 2012 International Joint Conference on Neural Networks (IJCNN), 2012

Hierarchical Temporal Memory-based algorithmic trading of financial markets.
Proceedings of the 2012 IEEE Conference on Computational Intelligence for Financial Engineering & Economics, 2012

2011
Locally induced predictive models.
Proceedings of the IEEE International Conference on Systems, 2011

Evolving accurate and comprehensible classification rules.
Proceedings of the IEEE Congress on Evolutionary Computation, 2011

One tree to explain them all.
Proceedings of the IEEE Congress on Evolutionary Computation, 2011

2010
Genetically Evolved kNN Ensembles.
Proceedings of the Data Mining - Special Issue in Annals of Information Systems, 2010

Pin-pointing concept descriptions.
Proceedings of the IEEE International Conference on Systems, 2010

Comparing methods for generating diverse ensembles of artificial neural networks.
Proceedings of the International Joint Conference on Neural Networks, 2010

Oracle Coached Decision Trees and Lists.
Proceedings of the Advances in Intelligent Data Analysis IX, 9th International Symposium, 2010

Genetic rule extraction optimizing brier score.
Proceedings of the Genetic and Evolutionary Computation Conference, 2010

Using Imaginary Ensembles to Select GP Classifiers.
Proceedings of the Genetic Programming, 13th European Conference, 2010

Improving GP classification performance by injection of decision trees.
Proceedings of the IEEE Congress on Evolutionary Computation, 2010

2009
Post-processing Evolved Decision Trees.
Proceedings of the Foundations of Computational Intelligence, 2009

Evaluating Algorithms for Concept Description.
Proceedings of The 2009 International Conference on Data Mining, 2009

Fish or Shark - Data Mining Online Poker.
Proceedings of The 2009 International Conference on Data Mining, 2009

Ensemble member selection using multi-objective optimization.
Proceedings of the IEEE Symposium on Computational Intelligence and Data Mining, 2009

Evolving decision trees using oracle guides.
Proceedings of the IEEE Symposium on Computational Intelligence and Data Mining, 2009

Using genetic programming to obtain implicit diversity.
Proceedings of the IEEE Congress on Evolutionary Computation, 2009

2008
Chipper - A Novel Algorithm for Concept Description.
Proceedings of the Tenth Scandinavian Conference on Artificial Intelligence, 2008

Evaluating Standard Techniques for Implicit Diversity.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2008

The problem with ranking ensembles based on training or validation performance.
Proceedings of the International Joint Conference on Neural Networks, 2008

Comprehensible Models for Predicting Molecular Interaction with Heart-Regulating Genes.
Proceedings of the Seventh International Conference on Machine Learning and Applications, 2008

On the Use of Accuracy and Diversity Measures for Evaluating and Selecting Ensembles of Classifiers.
Proceedings of the Seventh International Conference on Machine Learning and Applications, 2008

G-REX: A Versatile Framework for Evolutionary Data Mining.
Proceedings of the Workshops Proceedings of the 8th IEEE International Conference on Data Mining (ICDM 2008), 2008

Using Genetic Programming to Increase Rule Quality.
Proceedings of the Twenty-First International Florida Artificial Intelligence Research Society Conference, 2008

Extending Nearest Neighbor Classification with Spheres of Confidence.
Proceedings of the Twenty-First International Florida Artificial Intelligence Research Society Conference, 2008

Genetic Decision Lists for Concept Description.
Proceedings of The 2008 International Conference on Data Mining, 2008

Evolving a Locally Optimized Instance Based Learner.
Proceedings of The 2008 International Conference on Data Mining, 2008

Increasing rule extraction accuracy by post-processing GP trees.
Proceedings of the IEEE Congress on Evolutionary Computation, 2008

2007
Obtaining Accurate and Comprehensible Data Mining Models: An Evolutionary Approach.
PhD thesis, 2007

Concept Description - A Fresh Look.
Proceedings of the International Joint Conference on Neural Networks, 2007

The Importance of Diversity in Neural Network Ensembles - An Empirical Investigation.
Proceedings of the International Joint Conference on Neural Networks, 2007

Inconsistency - Friend or Foe.
Proceedings of the International Joint Conference on Neural Networks, 2007

Empirically investigating the importance of diversity.
Proceedings of the 10th International Conference on Information Fusion, 2007

Towards a Unified View on Concept Description.
Proceedings of the 2007 International Conference on Data Mining, 2007

Instance Ranking using Ensemble Spread.
Proceedings of the 2007 International Conference on Data Mining, 2007

Genetic programming - a tool for flexible rule extraction.
Proceedings of the IEEE Congress on Evolutionary Computation, 2007

2006
Building Neural Network Ensembles using Genetic Programming.
Proceedings of the International Joint Conference on Neural Networks, 2006

Explaining Winning Poker--A Data Mining Approach.
Proceedings of the Fifth International Conference on Machine Learning and Applications, 2006

Rule Extraction from Opaque Models-- A Slightly Different Perspective.
Proceedings of the Fifth International Conference on Machine Learning and Applications, 2006

Genetically Evolved Trees Representing Ensembles.
Proceedings of the Artificial Intelligence and Soft Computing, 2006

Benefits of relating the Retail Domain and Information Fusion.
Proceedings of the 9th International Conference on Information Fusion, 2006

Introducing GEMS - A Novel Technique for Ensemble Creation.
Proceedings of the Nineteenth International Florida Artificial Intelligence Research Society Conference, 2006

2005
Obtaining Accurate Neural Network Ensembles.
Proceedings of the 2005 International Conference on Computational Intelligence for Modelling Control and Automation (CIMCA 2005), 2005

2004
Rule Extraction by Seeing Through the Model.
Proceedings of the Neural Information Processing, 11th International Conference, 2004

Why rule extraction matters.
Proceedings of the IASTED Conference on Software Engineering and Applications, 2004

The Truth is In There - Rule Extraction from Opaque Models Using Genetic Programming.
Proceedings of the Seventeenth International Florida Artificial Intelligence Research Society Conference, 2004

2003
An empirical investigation into e-business adoption in the Scottish smaller firm.
Int. J. Electron. Bus., 2003


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