Imperial College London

DrNicoPotyka

Faculty of EngineeringDepartment of Computing

Honorary Research Fellow
 
 
 
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Contact

 

n.potyka Website

 
 
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Location

 

Huxley BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

44 results found

Potyka N, Yin X, Toni F, 2023, Explaining random forests using bipolar argumentation and Markov networks, AAAI 23, Pages: 9458-9460, ISSN: 2159-5399

Random forests are decision tree ensembles that can be used to solve a variety of machine learning problems. However, as the number of trees and their individual size can be large, their decision making process is often incomprehensible. We show that their decision process can be naturally represented as an argumentation problem, which allows creating global explanations via argumentative reasoning. We generalize sufficientand necessary argumentative explanations using a Markov network encoding, discuss the relevance of these explanations and establish relationships to families of abductive explanations from the literature. As the complexity of the explanation problems is high, we present an efficient approximation algorithm with probabilistic approximation guarantees.

Conference paper

Potyka N, 2021, Interpreting Neural Networks as Quantitative Argumentation Frameworks, Thirty-Fifth AAAI Conference on Artificial Intelligence, Publisher: AAAI Press, Pages: 6463-6470

Conference paper

Potyka N, 2021, From Probabilistic Programming to Probabilistic Argumentation, Publisher: CEUR-WS.org

Conference paper

Potyka N, 2021, Generalizing Complete Semantics to Bipolar Argumentation Frameworks, Publisher: Springer, Pages: 130-143

Conference paper

Potyka N, 2020, Abstract Argumentation with Markov Networks, 24th European Conference on Artificial Intelligence, Publisher: IOS Press, Pages: 865-872

Conference paper

Potyka N, 2020, Bipolar Abstract Argumentation with Dual Attacks and Supports, Proceedings of the 17th International Conference on Principles of Knowledge Representation and Reasoning (KR 2020), Pages: 677-686

Conference paper

Potyka N, 2020, Foundations for Solving Classification Problems with Quantitative Abstract Argumentation, Publisher: CEUR-WS.org

Conference paper

Potyka N, 2019, Extending Modular Semantics for Bipolar Weighted Argumentation, Proceedings of the 18th International Conference on Autonomous Agents and MultiAgent Systems (AAMAS ’19), Publisher: International Foundation for Autonomous Agents and Multiagent Systems, Pages: 1722-1730

Conference paper

Potyka N, 2019, A polynomial-time fragment of epistemic probabilistic argumentation, International Journal of Approximate Reasoning, Vol: 115, Pages: 265-289, ISSN: 0888-613X

Journal article

Hunter A, Polberg S, Potyka N, 2019, Delegated updates in epistemic graphs for opponent modelling, Int. J. Approx. Reason., Vol: 113, Pages: 207-244

Journal article

Potyka N, 2019, A Polynomial-time Fragment of Epistemic Probabilistic Argumentation, Publisher: International Foundation for Autonomous Agents and Multiagent Systems, Pages: 2165-2167

Conference paper

Potyka N, 2019, Open-Mindedness of Gradual Argumentation Semantics, Publisher: Springer, Pages: 236-249

Conference paper

Potyka N, 2019, Extending Modular Semantics for Bipolar Weighted Argumentation (Extended Abstract), Publisher: Springer, Pages: 273-276

Conference paper

Potyka N, Polberg S, Hunter A, 2019, Polynomial-Time Updates of Epistemic States in a Fragment of Probabilistic Epistemic Argumentation, Publisher: Springer, Pages: 74-86

Conference paper

Potyka N, 2018, Continuous Dynamical Systems for Weighted Bipolar Argumentation, Proceedings of the Sixteenth International Conference on Principles of Knowledge Representation and Reasoning (KR 2018), Publisher: AAAI Press, Pages: 148-157

Conference paper

Potyka N, 2018, Measuring Disagreement among Knowledge Bases, Publisher: CEUR-WS.org

Conference paper

Potyka N, 2018, Measuring Disagreement Among Knowledge Bases, Publisher: Springer, Pages: 212-227

Conference paper

Hunter A, Polberg S, Potyka N, 2018, Updating Belief in Arguments in Epistemic Graphs, Publisher: AAAI Press, Pages: 138-147

Conference paper

Potyka N, Thimm M, 2017, Inconsistency-tolerant reasoning over linear probabilistic knowledge bases, International Journal of Approximate Reasoning, Vol: 88, Pages: 209-236, ISSN: 0888-613X

Journal article

naloza RP, Potyka N, 2017, Towards Statistical Reasoning in Description Logics over Finite Domains, Publisher: Springer, Pages: 280-294

Conference paper

Hunter A, Potyka N, 2017, Updating Probabilistic Epistemic States in Persuasion Dialogues, Publisher: Springer, Pages: 46-56

Conference paper

Beierle C, Finthammer M, Potyka N, Varghese J, Kern-Isberner Get al., 2017, A Framework for Versatile Knowledge and Belief Management Operations in a Probabilistic Conditional Logic, FLAP, Vol: 4

Journal article

Potyka N, Acar E, Thimm M, Stuckenschmidt Het al., 2016, Group Decision Making via Probabilistic Belief Merging, The Twenty-Fifth International Joint Conference on Artificial Intelligence (IJCAI 2016), Publisher: IJCAI/AAAI Press, Pages: 3623-3629

Conference paper

naloza RP, Potyka N, 2016, Probabilistic Reasoning in the Description Logic ALCP with the Principle of Maximum Entropy, Publisher: Springer, Pages: 246-259

Conference paper

Potyka N, 2016, Relationships Between Semantics for Relational Probabilistic Conditional Logics, Publisher: College Publications, Pages: 332-347

Conference paper

Potyka N, Gómez-Ramírez D, Kühnberger K-U, 2016, Towards a Computational Framework for Function-Driven Concept Invention, Publisher: Springer, Pages: 212-222

Conference paper

Potyka N, 2016, Solving Reasoning Problems for Probabilistic Conditional Logics with Consistent and Inconsistent Information

Thesis dissertation

Potyka N, Thimm M, 2015, Probabilistic Reasoning with Inconsistent Beliefs Using Inconsistency Measures, The Twenty-Fourth International Joint Conference on Artificial Intelligence (IJCAI 2015), Publisher: AAAI Press, Pages: 3156-3163

Conference paper

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