Conference participation
CONCEPTS'24
14/09/24/11:49
International Joint Conference on Conceptual Knowledge Structures 2024
Just back from CONCEPTS'24, the first joint event of the three main conferences on Formal Concept Analysis, namely, ICFCA, CLA and ICCS.
This first edition was held in Cadiz, in the Aulario La Bomba, an old barracks that is now used as a conference centre and exhibition hall by the University of Cadiz.
Our research team participated with seven communications.
- Nicolás Madrid presented Towards a generalized modus ponens based on the φ-index of inclusion.
- Domingo López-Rodríguez presented Rearrangement of fuzzy formal contexts for reducing cost of algorithms.
- Our external collaborator Ondrej Krídlo presented Connecting concept lattices with bonds between L-fuzzy formal contexts by external information.
- Our colleague Inma P. Cabrera presented Fuzzy relational Galois connections between fuzzy transitive digraphs, joint work with Emilio Muñoz-Velasco, Manuel Ojeda-Aciego and others.
- M. Ojeda-Hernández presented Obtaining the necessary concepts in a partial formal context.
- Carlos Bejines presented Aggregation of fuzzy graphs.
- Our colleague Fran Valverde presented Progress in Formal Context Transforms, joint work with Manuel Ojeda-Aciego and others.
IPMU'24
24/07/24/11:48
Intl. Conf. on Information Processing and Management of Uncertainty in Knowledge-based Systems, IPMU 2024
Our last event before the summer holidays was the IPMU conference, held in Lisbon, Portugal, where we could meet a number of colleagues and, particularly, our external collaborators Bernard De Baets, Irina Perfilieva and Marek Reformat (who incidentally was also the Program Chair of the conference).
The next steps on our research line on Galois connections were discussed with Bernard, and further work on fuzzy mathematical morphology and the F-transform was discussed with Irina. The details of a draft to be submitted for publication were also discussed with Marek.
Our group presented four papers in the conference
- Manuel Ojeda-Hernandez, Domingo López-Rodríguez, Francisco Pérez-Gámez and Carlos Bejines López. Quasi and pseudo-closed elements in partial formal concept analysis
- Manuel Ojeda-Hernandez, Inma P. Cabrera, Pablo Cordero and Emilio Muñoz-Velasco. Fuzzy pseudointents
- Nicolas Madrid and Eloisa Ramírez Poussa. Analysis of the f-index of inclusion restricted to a set of indexes
- Michal Holcapek, Nhung Cao, Radek Valasek, Nicolas Madrid, Tomas Tichy and David Nedela. An Exploration of The Weighted Quantile Approach in Probabilistic Fuzzy Inference


FUZZ-IEEE 2024
15/07/24/10:22
Int Conf on Fuzzy Systems, FUZZ-IEEE, Yokohama, Japan, Jun 30-Jul 5, 2024
FUZZ-IEEE has been a part of the WCCI (World Congress on Computational Intelligence) jointly with the International Joint Conference on Neural Networks IJCNN and the Congress on Evolutionary Computation CEC. In this edition our group has presented the work "Enhancing performance of FCA algorithms via rearrangement of formal contexts" (by Domingo López-Rodríguez and Manuel Ojeda-Hernández, who presented the paper).
In the picture below, we can see Manuel together with members of the group M-CIS from Universidad de Cádiz.


CMMSE 2024
09/07/24/11:34
Int Conf on Computational and Mathematical Methods in Science and Engineering, CMMSE, Rota, Cádiz, Spain, July 2-8, 2024
As in previous years, we included in CMMSE a special session entitled Mathematical Methods in Computer Science, in cooperation with the Royal Spanish Society of Mathematics. The session was well-attended. We presented the work "New results on f-indexes of inclusion: composition as a fuzzy conjunction".


ESCIM 2024
28/05/24/13:25
European Symposium on Computational Intelligence and Mathematics, ESCIM, Kraków, Poland, May 12-15, 2024
A well-attended conference in which our work presented three works written jointly with other researchers, some of them already in our team and some external ones. The titles of the talks were "Extreme Learning Machine as a New Learning Paradigm: Pros and Cons", "Inheritance of completeness between systems of strong and weak implications" and "Legal and technical challenges of AI in the field of Criminal investigations".
We had the opportunity to meet again a number of colleagues, László Koczy, Juan Moreno, and Jesús Medina among others, in order to discuss prospects of future work or continue the existing ones. In the picture, our team members together with Irina Perfilieva (external member).

RSME 2024
06/02/24/10:54
Congreso Bienal de la Real Sociedad Matemática Española. Pamplona, 22 - 26 enero 2024
Manuel Ojeda-Hernández was co-organizer of the special session "Mathematical Developments in Artificial Intelligence and Machine Learning", which turned out to be the one which attracted most papers out of the 25 different special sessions.
He also presented a paper entitled "Algoritmos CbO para el cálculo del retículo de conceptos".

FSTA 2024
05/02/24/13:20
Fuzzy Sets Theory and Applications, Liptovský Ján, Slovak Republic, Jan 28-Feb 2 2024
We presented two works "An FCA-based approach to RDF graphs" (presented by Manuel Ojeda-Aciego) and "Close-by-One strategy for computing the fuzzy concept lattice" (presented by Manuel Ojeda-Hernández).
A nice workshop, plenty of scientific and cultural activities, in which we found some time to work on forthcoming research topics with our collaborator Irina Perfilieva.

ICCS 2023
15/09/23/09:59
28th Int Conf on Conceptual Structures, ICCS, Berlin, Germany, Sep 11-13, 2023
This edition has been organised by Manuel Ojeda-Aciego as Program co-chair (in the picture with Inma P. Cabrera and Pablo Cordero)


Domingo López-Rodríguez participated with an invited tutorial on the R package fcaR.

The two accepted papers were presented by Manuel Ojeda Hernández:
- Aggregation Functions and Extent Structure Preservation in Formal Concept Analysis
- On Pseudointents in Fuzzy Formal Concept Analysis


EUSFLAT 2023
10/09/23/09:59
13th Conf of the European Association for Fuzzy Logic and Technology, EUSFLAT, Palma, Spain, September 5-9, 2023
After the previous hybrid edition, EUSFLAT is again a face-to-face meeting, where we could meet again a number of friends, and attended some very interesting talks. In the picture: Emilio Muñoz-Velasco, Manuel Ojeda-Hernández and Manuel Ojeda-Aciego.

In this edition, we presented two works
- Closure structures as fixed points of some Galois connections (presented by Manuel Ojeda-Hernández)
- A Logic to Reason About f-Indices of Inclusion over Ł𝑛 (presented by Lluís Godo, co-author)

