Pasi Luukka

According to our database, Pasi Luukka authored at least 86 papers between 2001 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Possibilistic mean based defuzzification for fuzzy expert systems and fuzzy control - LSD for general fuzzy sets.

Pasi Luukka, Jan Stoklasa

J. Comput. Appl. Math., May, 2024

Generalized dissemblance index as a difference of first moments of fuzzy numbers - A new perspective on the distance of fuzzy numbers.

Jan Stoklasa, Pasi Luukka, Jana Stoklasová

Inf. Sci., March, 2024

Causal maps in the analysis and unsupervised assessment of the development of expert knowledge: Quantification of the learning effects for knowledge management purposes.

Mahinda Mailagaha Kumbure, Anssi Tarkiainen, Jan Stoklasa, Pasi Luukka, Ari Jantunen

Expert Syst. Appl., February, 2024

2023

A toolset for unsupervised assessment of learning outcomes>.

Mahinda Mailagaha Kumbure, Jan Stoklasa, Pasi Luukka, Anssi Tarkiainen, Ari Jantunen

Softw. Impacts, November, 2023

The <i>α</i>-weighted averaging operator.

Jan Stoklasa, Pasi Luukka

Fuzzy Sets Syst., November, 2023

2022

On the relationship between possibilistic and standard moments of fuzzy numbers.

Jan Stoklasa, Pasi Luukka, Mikael Collan

J. Comput. Appl. Math., 2022

Machine learning techniques and data for stock market forecasting: A literature review.

Mahinda Mailagaha Kumbure, Christoph Lohrmann, Pasi Luukka, Jari Porras

Expert Syst. Appl., 2022

Nonspecificity, strife and total uncertainty in supervised feature selection.

Christoph Lohrmann, Pasi Luukka

Eng. Appl. Artif. Intell., 2022

2021

Possibilistic fuzzy pay-off method for real option valuation with application to research and development investment analysis.

Jan Stoklasa, Pasi Luukka, Mikael Collan

Fuzzy Sets Syst., 2021

A Study on Relevant Features for Intraday S&P 500 Prediction Using a Hybrid Feature Selection Approach.

Mahinda Mailagaha Kumbure, Christoph Lohrmann, Pasi Luukka

Proceedings of the Machine Learning, Optimization, and Data Science, 2021

Material demand forecasting with classical and fuzzy time series models.

Sergey Zakrytnoy, Pasi Luukka, Jan Stoklasa

Proceedings of the Recent Advances in Business Analytics. Selected papers of the 2021 KNOWCON-NSAIS workshop on Business Analytics, 2021

Similarity based TOPSIS with linguistic-quantifier based aggregation using OWA.

Pasi Luukka, Jan Stoklasa

Proceedings of the Recent Advances in Business Analytics. Selected papers of the 2021 KNOWCON-NSAIS workshop on Business Analytics, 2021

Image based classification of shipments using transfer learning.

Markus Leppioja, Pasi Luukka, Christoph Lohrmann

Proceedings of the Recent Advances in Business Analytics. Selected papers of the 2021 KNOWCON-NSAIS workshop on Business Analytics, 2021

Using the generalized fuzzy k-nearest neighbor classifier for biomass feedstocks classification.

Mahinda Mailagaha Kumbure, Pasi Luukka

Proceedings of the Recent Advances in Business Analytics. Selected papers of the 2021 KNOWCON-NSAIS workshop on Business Analytics, 2021

Summarization Algorithms for News: A Study of the Coronavirus Theme and Its Impact on the News Extracting Algorithm.

Lyudmila Gadasina, Vladislav Veklenko, Pasi Luukka

Proceedings of the Computational Data and Social Networks - 10th International Conference, 2021

2020

A new fuzzy <i>k</i>-nearest neighbor classifier based on the Bonferroni mean.

Mahinda Mailagaha Kumbure, Pasi Luukka, Mikael Collan

Pattern Recognit. Lett., 2020

Cognitive Diversity, Managerial Characteristics and Performance Differences across the Cleantech Firms.

Jukka-Pekka Bergman, Pasi Luukka, Ari Jantunen, Anssi Tarkiainen

Int. J. Knowl. Based Organ., 2020

N - ary norm operators and TOPSIS.

Pasi Luukka

Proceedings of the 29th IEEE International Conference on Fuzzy Systems, 2020

2019

Transformations between the center of gravity and the possibilistic mean for triangular and trapezoidal fuzzy numbers.

Pasi Luukka, Jan Stoklasa, Mikael Collan

Soft Comput., 2019

Using Clustering for Supervised Feature Selection to Detect Relevant Features.

Christoph Lohrmann, Pasi Luukka

Proceedings of the Machine Learning, Optimization, and Data Science, 2019

Information Transmission and Nonspecificity in Feature Selection.

Pasi Luukka, Christoph Lohrmann

Proceedings of the Fuzzy Techniques: Theory and Applications, 2019

An Enhancement of Fuzzy K-Nearest Neighbor Classifier Using Multi-Local Power Means.

Mahinda Mailagaha Kumbure, Pasi Luukka, Mikael Collan

Proceedings of the 11th Conference of the European Society for Fuzzy Logic and Technology, 2019

2018

A combination of fuzzy similarity measures and fuzzy entropy measures for supervised feature selection.

Christoph Lohrmann, Pasi Luukka, Matylda Jablonska-Sabuka, Tuomo Kauranne

Expert Syst. Appl., 2018

Comparison of the multicriteria decision-making methods for equity portfolio selection: The U.S. evidence.

Eero Pätäri, Ville Karell, Pasi Luukka, Julian Scott Yeomans

Eur. J. Oper. Res., 2018

A novel similarity classifier with multiple ideal vectors based on k-means clustering.

Christoph Lohrmann, Pasi Luukka

Decis. Support Syst., 2018

2017

Possibilistic risk aversion in group decisions: theory with application in the insurance of giga-investments valued through the fuzzy pay-off method.

Mikael Collan, Mario Fedrizzi, Pasi Luukka

Soft Comput., 2017

Fuzzy MCDM-procedure for Design Evaluation: Capturing Redundant Information with an Interaction Matrix.

Pasi Luukka, Nikolai Efimov-Soini, Mikael Collan, Mariia Kozlova

J. Multiple Valued Log. Soft Comput., 2017

Preface: Special Issue on Adaptive and Intelligent Systems.

Pasi Luukka, Mikael Collan, Jan Stoklasa

J. Multiple Valued Log. Soft Comput., 2017

Using a cycle reverting price process in modeling metal mining project profitability.

Jyrki Savolainen, Mikael Collan, Pasi Luukka

Kybernetes, 2017

Set-theoretic methodology using fuzzy sets in rule extraction and validation - consistency and coverage revisited.

Jan Stoklasa, Pasi Luukka, Tomás Talásek

Inf. Sci., 2017

Comparing Circular Histograms by Using Modulo Similarity and Maximum Pair-Assignment Compatibility Measure.

Pasi Luukka, Mikael Collan

Int. J. Comput. Intell. Syst., 2017

New procedure for valuing patents under imprecise information with a consensual dynamics model and a real options framework.

Yuri A. Lawryshyn, Mikael Collan, Pasi Luukka, Mario Fedrizzi

Expert Syst. Appl., 2017

Similarity of histograms and circular histograms from interval and fuzzy data.

József Mezei, Pasi Luukka, Mikael Collan

Proceedings of the Joint 17th World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems, 2017

A similarity classifier with generalized ordered weighted averaging operator.

Onesfole Kurama, Pasi Luukka, Mikael Collan

Proceedings of the Joint 17th World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems, 2017

Real Option Analysis with Interval-Valued Fuzzy Numbers and the Fuzzy Pay-Off Method.

József Mezei, Mikael Collan, Pasi Luukka

Proceedings of the Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 - The 10th Conference of the European Society for Fuzzy Logic and Technology, September 11-15, 2017, Warsaw, Poland IWIFSGN'2017, 2017

Transformation of Variance to Possibilistic Variance and Vice Versa.

Pasi Luukka, Jan Stoklasa, Mikael Collan

Proceedings of the Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT- 2017 - The 10th Conference of the European Society for Fuzzy Logic and Technology, September 11-15, 2017, Warsaw, Poland IWIFSGN'2017, 2017

2016

Strategic R&D Project Analysis: Keeping It Simple and Smart.

Mikael Collan, Pasi Luukka

Proceedings of the Fuzzy Technology - Present Applications and Future Challenges, 2016

Comparison of the Datar-Mathews Method and the Fuzzy Pay-Off Method through Numerical Results.

Mariia Kozlova, Mikael Collan, Pasi Luukka

Adv. Decis. Sci., 2016

Feature-wise differential evolution classifier with an OWA-based multi-distance aggregation.

David Koloseni, Mario Fedrizzi, Pasi Luukka, Mikael Collan, Jouni Lampinen

Int. J. Math. Oper. Res., 2016

Information Processing Approach in Organisational Cognitive Structures: Relationship between Top and Middle Managers' Cognitions.

Jukka-Pekka Bergman, Vladimir Platonov, Igor Dukeov, Pekka Röyttä, Pasi Luukka

Int. J. Inf. Syst. Soc. Chang., 2016

An ɴ-ary λ-averaging based similarity classifier.

Onesfole Kurama, Pasi Luukka, Mikael Collan

Int. J. Appl. Math. Comput. Sci., 2016

A Similarity Classifier with Bonferroni Mean Operators.

Onesfole Kurama, Pasi Luukka, Mikael Collan

Adv. Fuzzy Syst., 2016

Bonferroni mean based similarity based TOPSIS.

Pasi Luukka, Mikael Collan

Proceedings of the 2016 IEEE International Conference on Fuzzy Systems, 2016

2015

Differential Evolution Based Multiple Vector Prototype Classifier.

Pasi Luukka, Jouni Lampinen

Comput. Informatics, 2015

New Closeness Coefficients for Fuzzy Similarity Based Fuzzy TOPSIS: An Approach Combining Fuzzy Entropy and Multidistance.

Mikael Collan, Mario Fedrizzi, Pasi Luukka

Adv. Fuzzy Syst., 2015

A Dynamic Fuzzy Consensus Model with Random Iterative Steps.

Pasi Luukka, Mikael Collan, Mario Fedrizzi

Proceedings of the 48th Hawaii International Conference on System Sciences, 2015

Modulo similarity in comparing histograms.

Pasi Luukka, Mikael Collan

Proceedings of the 2015 Conference of the International Fuzzy Systems Association and the European Society for Fuzzy Logic and Technology (IFSA-EUSFLAT-15), 2015

2014

Evaluating R&D Projects as Investments by Using an Overall Ranking From Four New Fuzzy Similarity Measure-Based TOPSIS Variants.

Mikael Collan, Pasi Luukka

IEEE Trans. Fuzzy Syst., 2014

Differential Evolution Based Nearest Prototype Classifier with Optimized Distance Measures and GOWA.

David Koloseni, Pasi Luukka

Proceedings of the Intelligent Systems'2014, 2014

Differential Evolution Classifier with Optimized OWA-Based Multi-distance Measures for the Features in the Data Sets.

David Koloseni, Mario Fedrizzi, Pasi Luukka, Jouni Lampinen, Mikael Collan

Proceedings of the Intelligent Systems'2014, 2014

Consensus Modeling in Multiple Criteria Multi-expert Real Options-Based Valuation of Patents.

Andrea Barbazza, Mikael Collan, Mario Fedrizzi, Pasi Luukka

Proceedings of the Intelligent Systems'2014, 2014

2013

Similarity classifier with ordered weighted averaging operators.

Pasi Luukka, Onesfole Kurama

Expert Syst. Appl., 2013

Differential evolution based nearest prototype classifier with optimized distance measures for the features in the data sets.

David Koloseni, Jouni Lampinen, Pasi Luukka

Expert Syst. Appl., 2013

A multi-expert system for ranking patents: An approach based on fuzzy pay-off distributions and a TOPSIS-AHP framework.

Mikael Collan, Mario Fedrizzi, Pasi Luukka

Expert Syst. Appl., 2013

Fuzzy Scorecards, FHOWA, and a New Fuzzy Similarity Based Ranking Method for Selection of Human Resources.

Pasi Luukka, Mikael Collan

Proceedings of the IEEE International Conference on Systems, 2013

Fuzzy Similarity based Fuzzy TOPSIS with Multi-distances.

Pasi Luukka, Mario Fedrizzi, Leoncie Niyigena, Mikael Collan

Proceedings of the IJCCI 2013, 2013

Using a Linguistic Scorecard for Peer-Assessment Through an On-Line System.

Pasi Luukka, Mikael Collan

Proceedings of the 8th conference of the European Society for Fuzzy Logic and Technology, 2013

2012

Optimized distance metrics for differential evolution based nearest prototype classifier.

David Koloseni, Jouni Lampinen, Pasi Luukka

Expert Syst. Appl., 2012

Differential Evolution Classifier with Optimized Distance Measures for the Features in the Data Sets.

David Koloseni, Jouni Lampinen, Pasi Luukka

Proceedings of the Soft Computing Models in Industrial and Environmental Applications, 2012

Feature selection using Yu's similarity measure and fuzzy entropy measures.

Cesar Iyakaremye, Pasi Luukka, David Koloseni

Proceedings of the FUZZ-IEEE 2012, 2012

Differential evolution classifier with optimized distance measures from a pool of distances.

David Koloseni, Jouni Lampinen, Pasi Luukka

Proceedings of the IEEE Congress on Evolutionary Computation, 2012

2011

Fuzzy beans in classification.

Pasi Luukka

Expert Syst. Appl., 2011

Feature selection using fuzzy entropy measures with similarity classifier.

Pasi Luukka

Expert Syst. Appl., 2011

Differential Evolution Classifier in Noisy Settings and with Interacting Variables.

Pasi Luukka, Jouni Lampinen

Appl. Soft Comput., 2011

Fuzzy Similarity in Multicriteria Decision-Making Problem Applied to Supplier Evaluation and Selection in Supply Chain Management.

Pasi Luukka

Adv. Artif. Intell., 2011

2010

Nonlinear fuzzy robust PCA algorithms and similarity classifier in bankruptcy analysis.

Pasi Luukka

Expert Syst. Appl., 2010

2009

Similarity classifier using similarities based on modified probabilistic equivalence relations.

Pasi Luukka

Knowl. Based Syst., 2009

PCA for fuzzy data and similarity classifier in building recognition system for post-operative patient data.

Pasi Luukka

Expert Syst. Appl., 2009

Classification based on fuzzy robust PCA algorithms and similarity classifier.

Pasi Luukka

Expert Syst. Appl., 2009

Solving leontief input-output model with fuzzy entries.

Jorma K. Mattila, Pasi Luukka

Proceedings of the FUZZ-IEEE 2009, 2009

2008

Classification method using fuzzy level set subgrouping.

Paavo Kukkurainen, Pasi Luukka

Expert Syst. Appl., 2008

Similarity classifier in diagnosis of bladder cancer.

Pasi Luukka

Comput. Methods Programs Biomed., 2008

2007

Similarity classifier using similarity measure derived from Yu's norms in classification of medical data sets.

Pasi Luukka

Comput. Biol. Medicine, 2007

2006

Similarity classifier with generalized mean applied to medical data.

Pasi Luukka, Tapio Leppälampi

Comput. Biol. Medicine, 2006

New Classifier Based on Fuzzy Level Set Subgrouping.

Paavo Kukkurainen, Pasi Luukka

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2006

Similarity Classifier using Measure Derived from Yus Norms Applied to Medical Data Sets.

Pasi Luukka

Proceedings of the IEEE International Conference on Fuzzy Systems, 2006

Similarity Classifier with Generalized Mean; Ideal Vector Approach.

Jouni Sampo, Pasi Luukka

Proceedings of the Fuzzy Systems and Knowledge Discovery, Third International Conference, 2006

2005

Stability Issues with Classifier Using Lukasiewicz Similarity and Modified Schweizer & Sklar Equations.

Pasi Luukka, Jouni Sampo

J. Adv. Comput. Intell. Intell. Informatics, 2005

Similarity Classifier with Generalized mean Applied to Medical Data Using Different Preprocessing Methods.

Pasi Luukka, Tapio Leppälampi

Proceedings of the IEEE International Conference on Fuzzy Systems, 2005

2004

Weighted Similarity Classifier Using Differential Evolution and Genetic Algorithm in Weight Optimization.

Pasi Luukka, Jouni Sampo

J. Adv. Comput. Intell. Intell. Informatics, 2004

Comparison of two different dimension reduction methods in classification by arithmetic, geometric and harmonic similarity measure.

Pasi Luukka, Aurel Meyer

Proceedings of the IEEE International Conference on Fuzzy Systems, 2004

2003

Testing continuous t-norm called Lukasiewicz algebra with different means in classification.

Kalle Saastamoinen, Pasi Luukka

Proceedings of the 12th IEEE International Conference on Fuzzy Systems, 2003

Comparison of the use of different similarities based on T-norms in the classification tasks.

Kalle Saastamoinen, Pasi Luukka

Proceedings of the 3rd Conference of the European Society for Fuzzy Logic and Technology, 2003

Fuzzy similarity based classification in normal Lukasiewicz algebra with geometric and harmonic mean.

Pasi Luukka, Kalle Saastamoinen

Proceedings of the 3rd Conference of the European Society for Fuzzy Logic and Technology, 2003

2002

A classifier based on the fuzzy similarity in the Lukasiewicz structure with different metrics.

Kalle Saastamoinen, Ville Könönen, Pasi Luukka

Proceedings of the 2002 IEEE International Conference on Fuzzy Systems, 2002

2001

A Classifier Based on the Maximal Fuzzy Similarity in the Generalized Lukasiewicz-Structure.

Pasi Luukka, Kalle Saastamoinen, Ville Könönen

Proceedings of the 10th IEEE International Conference on Fuzzy Systems, 2001