1 code implementation • SemEval (NAACL) 2022 • Olha Kaminska, Chris Cornelis, Veronique Hoste
This paper describes the approach developed by the LT3 team in the Intended Sarcasm Detection task at SemEval-2022 Task 6.
no code implementations • 18 Mar 2024 • Adnan Theerens, Chris Cornelis
This paper introduces a novel Choquet distance using fuzzy rough set based measures.
no code implementations • 7 Mar 2024 • Henri Bollaert, Marko Palangetić, Chris Cornelis, Salvatore Greco, Roman Słowiński
In this paper, we introduce a novel rule induction algorithm called Fuzzy Rough Rule Induction (FRRI).
no code implementations • 27 Dec 2023 • Adnan Theerens, Chris Cornelis
The main findings reveal that Choquet-based fuzzy rough sets can be represented granularly under the same conditions as OWA-based fuzzy rough sets, whereas Sugeno-based FRS can always be represented granularly.
no code implementations • 28 Nov 2023 • Oliver Urs Lenz, Henri Bollaert, Chris Cornelis
NN and FRNN perform best with a combination of Samworth rank- and distance weights and scaling by the mean absolute deviation around the median ($r_1$), the standard deviaton ($r_2$) or the interquartile range ($r_{\infty}^*$), while FNN performs best with only Samworth distance-weights and $r_1$- or $r_2$-scaling.
no code implementations • 25 Sep 2023 • Oliver Urs Lenz, Chris Cornelis
Angular Minkowski $p$-distance is a dissimilarity measure that is obtained by replacing Euclidean distance in the definition of cosine dissimilarity with other Minkowski $p$-distances.
no code implementations • 6 Dec 2022 • Adnan Theerens, Chris Cornelis
In this paper, we improve on VQFRS by introducing fuzzy quantifier-based fuzzy rough sets (FQFRS), an intuitive generalization of fuzzy rough sets that makes use of general unary and binary quantification models.
no code implementations • 25 Nov 2022 • Henri Bollaert, Chris Cornelis
In this paper, we investigate the impact of this indiscernibility relation on the performance of FRNN classification.
no code implementations • 4 Oct 2022 • Oliver Urs Lenz, Daniel Peralta, Chris Cornelis
We propose polar encoding, a representation of categorical and numerical $[0, 1]$-valued attributes with missing values to be used in a classification context.
no code implementations • 28 Jun 2022 • Oliver Urs Lenz, Daniel Peralta, Chris Cornelis
Imputation allows datasets to be used with algorithms that cannot handle missing values by themselves.
1 code implementation • 2 Jun 2022 • Marko Palangetić, Chris Cornelis, Salvatore Greco, Roman Słowiński
At the end, we discuss the transparency of the FGAC and its advantage over other locally transparent methods.
no code implementations • 22 Feb 2022 • Adnan Theerens, Oliver Urs Lenz, Chris Cornelis
In classical fuzzy rough sets, the lower and upper approximations are determined using the minimum and maximum operators, respectively.
no code implementations • 15 Feb 2022 • Marko Palangetić, Chris Cornelis, Salvatore Greco, Roman Słowiński
In granular computing, fuzzy sets can be approximated by granularly representable sets that are as close as possible to the original fuzzy set w. r. t.
no code implementations • 26 Nov 2021 • Marko Palangetić, Chris Cornelis, Salvatore Greco, Roman Słowiński
Inconsistency in prediction problems occurs when instances that relate in a certain way on condition attributes, do not follow the same relation on the decision attribute.
1 code implementation • 8 Jul 2021 • Olha Kaminska, Chris Cornelis, Veronique Hoste
Social media are an essential source of meaningful data that can be used in different tasks such as sentiment analysis and emotion recognition.
1 code implementation • EACL (WASSA) 2021 • Olha Kaminska, Chris Cornelis, Veronique Hoste
Emotion detection is an important task that can be applied to social media data to discover new knowledge.
no code implementations • 4 Feb 2021 • Oliver Urs Lenz, Daniel Peralta, Chris Cornelis
The hyperparameters of SVM and LOF have to be optimised through cross-validation, while NND, LNND and ALP allow an efficient form of leave-one-out validation and the reuse of a single nearest-neighbour query.
no code implementations • 26 Jan 2021 • Oliver Urs Lenz, Daniel Peralta, Chris Cornelis
One-class classification is a challenging subfield of machine learning in which so-called data descriptors are used to predict membership of a class based solely on positive examples of that class, and no counter-examples.