In the following list, you can find some of the presentations I have given over the last few years.

• N. Macià, A. Orriols-Puig, and E. Bernadó-Mansilla, "Genetic-based synthetic data sets for the analysis of classifiers’ behavior," in HIS’08: Proceedings of the 2008 Hybrid Intelligent Systems Conference, 2008, pp. 507-512. [bibtex]
  @InProceedings{Macia:08a,
  author = {N\’uria Maci\`a and Albert Orriols-Puig and Ester Bernad\’o-Mansilla},
  title = {Genetic-based synthetic data sets for the analysis of classifiers’ behavior},
  booktitle = {HIS’08: Proceedings of the 2008 Hybrid Intelligent Systems Conference},
  pages = {507–512},
  year = {2008},
  url = {http://www.albertorriols.net/Files/Presentations/2008HIS-SDS.pdf},
  }
• S. Morales-Ortigosa, A. Orriols-Puig, and E. Bernadó-Mansilla, "Can Evolution Strategies Improve Learning Guidance in XCS? Design and Comparison with Genetic Algorithms based XCS." IOS press, 2008, pp. 253-261. [bibtex]
  @InCollection{Morales:08a,
  author = {S. Morales-Ortigosa and A. Orriols-Puig and E. Bernad\’o-Mansilla},
  title = {Can Evolution Strategies Improve Learning Guidance in {XCS}? {D}esign and Comparison with Genetic Algorithms based {XCS}},
  booktitle = {In Artificial Intelligence Research and Development},
  number = {184},
  pages = {253–261},
  publisher = {IOS press},
  year = {2008},
  url = {http://www.albertorriols.net/Files/Presentations/2008CCIA.pdf},
  }
• N. Macià, E. Bernadó-Mansilla, and A. Orriols-Puig, "On the dimensions of data complexity through synthetic data sets." IOS Press, 2008, pp. 244-252. [bibtex]
  @InCollection{Macia:08c,
  author = {N\’uria Maci\`a and Ester Bernad\’o-Mansilla and Albert Orriols-Puig},
  title = {On the dimensions of data complexity through synthetic data sets},
  booktitle = {In Recent Advances in Artificial Intelligence Research and Development},
  number = {184},
  pages = {244–252},
  publisher = {IOS Press},
  year = {2008},
  url = {http://www.albertorriols.net/Files/Presentations/2008CCIA-DataComplexity.pdf},
  }
• A. Orriols-Puig, "New Challenges in Learning Classifier Systems: Mining Rarities and Evolving Fuzzy Models," PhD Thesis , Barcelona, 2008. [bibtex]
  @PhDThesis{OrriolsThesis:08,
  author = {A. Orriols-Puig},
  title = {New Challenges in Learning Classifier Systems: Mining Rarities and Evolving Fuzzy Models},
  school = {Universitat Ramon Llull, Barcelona, Catalonia, Spain},
  year = {2008},
  address = {Barcelona},
  url = {http://www.albertorriols.net/Files/Presentations/Thesis.pdf},
  }
• S. Morales-Ortigosa, A. Orriols-Puig, and E. Bernadó-Mansilla, "New Crossover Operator for Evolutionary Rule Discovery in XCS," in Proceedings of the 2008 Hybrid and Intelligent Systems Conference, 2008, pp. 867-872. [bibtex]
  @InProceedings{Morales:08b,
  author = {S. Morales-Ortigosa and A. Orriols-Puig and E. Bernad\’o-Mansilla},
  title = {New Crossover Operator for Evolutionary Rule Discovery in {XCS}},
  booktitle = {Proceedings of the 2008 Hybrid and Intelligent Systems Conference},
  publisher = {IEEE},
  pages = {867–872},
  year = {2008},
  url = {http://www.albertorriols.net/Files/Presentations/2008HIS.pdf},
  }
• A. Orriols-Puig, J. Casillas, and E. Bernadó-Mansilla, "First approach toward on-line evolution of association rules with learning classifier systems," in GECCO’08: Proceedings of the 2008 Genetic and Evolutionary Computation Conference Workshop Program, New York, NY, USA, 2008, pp. 2031-2038. [bibtex]
  @InProceedings{Orriols:08k,
  author = {A. Orriols-Puig and J. Casillas and E. Bernad\’{o}-Mansilla},
  title = {First approach toward on-line evolution of association rules with learning classifier systems},
  booktitle = {GECCO’08: Proceedings of the 2008 Genetic and Evolutionary Computation Conference Workshop Program},
  year = {2008},
  isbn = {978-1-60558-131-6},
  pages = {2031–2038},
  location = {Atlanta, GA, USA},
  doi = {http://doi.acm.org/10.1145/1388969.1389017},
  publisher = {ACM},
  address = {New York, NY, USA},
  url = {http://www.albertorriols.net/Files/Presentations/2008IWLCS-CSar.pdf},
  }
• J. Rios-Boutin, A. Orriols-Puig, and J. M. Garrell-Guiu, "Artificial Data Sets based on Knowledge Generators: Analysis of Learning Algorithms Efficiency," in Proceedings of the 2008 Hybrid and Intelligent Systems Conference, 2008, pp. 873-878. [bibtex]
  @InProceedings{Rios:08a,
  author = {J. Rios-Boutin and A. Orriols-Puig and J. M. Garrell-Guiu},
  title = {Artificial Data Sets based on Knowledge Generators: Analysis of Learning Algorithms Efficiency},
  booktitle = {Proceedings of the 2008 Hybrid and Intelligent Systems Conference},
  publisher = {IEEE},
  pages = {873–878},
  year = {2008},
  url = {http://www.albertorriols.net/Files/Presentations/2008HIS-ArtificialData.pdf},
  }
• A. Orriols-Puig, J. Casillas, and E. Bernadó-Mansilla, "Approximate versus Linguistic Representation in Fuzzy-UCS." Springer, 2008, vol. 5271/2008, pp. 722-729. [bibtex]
  @InCollection{Orriols:08m,
  author = {A. Orriols-Puig and J. Casillas and E. Bernad\’o-Mansilla},
  title = {Approximate versus Linguistic Representation in Fuzzy-UCS},
  booktitle = {HAIS’08: Proceedings of the 2008 International Workshop on Hybrid Artificial Intelligence Systems},
  series = {LNAI},
  volume = {5271/2008},
  pages = {722–-729},
  publisher = {Springer},
  year = {2008},
  url = {http://www.albertorriols.net/Files/Presentations/2008HAIS.pdf},
  }
• A. Orriols-Puig, J. Casillas, and F. J. Martínez-López, "Modelado causal en Marketing mediante aprendizaje no supervisado de reglas de asociación difusas," in ESTYLF’08: Proceedings of the XIV Congreso Español sobre Tecnologías y Lógica Fuzzy, 2008. [bibtex]
  @InProceedings{Orriols:08l,
  author = {A. Orriols-Puig and J. Casillas and F.J. Mart\’inez-L\’opez},
  title = {Modelado causal en Marketing mediante aprendizaje no supervisado de reglas de asociaci\’on difusas},
  booktitle = {ESTYLF’08: Proceedings of the XIV Congreso Espa\~nol sobre Tecnolog\’ias y L\’ogica Fuzzy},
  location = {Mieres-Langreo, Spain},
  year = {2008},
  note = {Spanish version only},
  url = {http://www.albertorriols.net/Files/Presentations/2008ESTYLF.pdf},
  }
• A. Orriols-Puig, K. Sastry, P. L. Lanzi, D. E. Goldberg, and E. Bernadó-Mansilla, "Modeling selection pressure in XCS for proportionate and tournament selection," in GECCO’07: Proceedings of the 2007 Genetic and Evolutionary Computation Conference, 2007, pp. 1846-1853. [bibtex]
  @InProceedings{Orriols:07b,
  author = {A. Orriols-Puig and K. Sastry and P.L. Lanzi and D.E. Goldberg and E. Bernad\’o-Mansilla},
  title = {Modeling selection pressure in {XCS} for proportionate and tournament selection},
  booktitle = {GECCO’07: Proceedings of the 2007 Genetic and Evolutionary Computation Conference},
  location = {London, UK},
  pages = {1846–1853},
  volume = {2},
  year = {2007},
  publisher = {ACM Press},
  url = {http://www.albertorriols.net/Files/Presentations/2007GECCO-TOT.pdf},
  }
• A. Orriols-Puig, D. E. Goldberg, K. Sastry, and E. Bernadó-Mansilla, "Modeling XCS in Class Imbalances: Population Size and Parameters’ Settings," in GECCO’07: Proceedings of the 2007 Genetic and Evolutionary Computation Conference, 2007, pp. 1838-1845. [bibtex]
  @InProceedings{Orriols:07a,
  author = {A. Orriols-Puig and D. E. Goldberg and K. Sastry and E. Bernad{\’o}-Mansilla},
  title = {Modeling {XCS} in Class Imbalances: Population Size and Parameters’ Settings},
  booktitle = {GECCO’07: Proceedings of the 2007 Genetic and Evolutionary Computation Conference},
  year = {2007},
  pages = {1838–1845},
  volume = {2},
  location = {London, UK},
  publisher = {ACM Press},
  url = {http://www.albertorriols.net/Files/Presentations/2007GECCO-NIR.pdf},
  }
• A. Orriols-Puig, J. Casillas, and E. Bernadó-Mansilla, "Aprendizaje supervisado de reglas difusas mediante un sistema clasificador evolutivo estilo Michigan," in Proceedings of the II Congreso Espa~nol de Informática (CEDI 2007). I Jornadas sobre Algoritmos Evolutivos y Metaheurísticas(JAEM07), 2007, pp. 171-178. [bibtex]
  @InProceedings{Orriols:07g,
  author = {A. Orriols-Puig and J. Casillas and E. Bernad\’o-Mansilla},
  title = {Aprendizaje supervisado de reglas difusas mediante un sistema clasificador evolutivo estilo {M}ichigan},
  booktitle = {Proceedings of the II Congreso Espa{~n}ol de Inform\’atica (CEDI 2007). I Jornadas sobre Algoritmos Evolutivos y Metaheur\’isticas(JAEM07)},
  location = {Zaragoza, Spain},
  pages = {171–178},
  year = {2007},
  url = {http://www.albertorriols.net/Files/Presentations/2007JAEM-FuzzyUCS.pdf},
  }
• A. Orriols-Puig, J. Casillas, and E. Bernadó-Mansilla, "Fuzzy-UCS: Preliminary Results," in GECCO’07: Proceedings of the 2007 Genetic and Evolutionary Computation Conference Workshop Program, 2007, pp. 2871-2874. [bibtex]
  @InProceedings{Orriols:07d,
  author = {A. Orriols-Puig and J. Casillas and E. Bernad{\’o}-Mansilla},
  title = {Fuzzy-{UCS}: Preliminary Results},
  booktitle = {GECCO’07: Proceedings of the 2007 Genetic and Evolutionary Computation Conference Workshop Program},
  location = {London, UK},
  pages = {2871–2874},
  volume = {3},
  year = 2007, publisher = {ACM Press} url = {http://www.albertorriols.net/Files/Presentations/2007IWLCS-FuzzyUCS.pdf},
  }
• A. Orriols-Puig, K. Sastry, D. E. Goldberg, and E. Bernadó-Mansilla, "Substructrual surrogates for learning decomposable classification problems: Implementation and first results," in GECCO’07: Proceedings of the 2007 GECCO Conference on Genetic and Evolutionary Computation workshop program, New York, NY, USA, 2007, pp. 2875-2882. [bibtex]
  @Inproceedings{Orriols:07c,
  author = {Albert Orriols-Puig and Kumara Sastry and David E. Goldberg and Ester Bernad\’{o}-Mansilla},
  title = {Substructrual surrogates for learning decomposable classification problems: {I}mplementation and first results},
  booktitle = {GECCO’07: Proceedings of the 2007 GECCO Conference on Genetic and Evolutionary Computation workshop program},
  year = {2007},
  isbn = {978-1-59593-698-1},
  pages = {2875–2882},
  location = {London, United Kingdom},
  doi = {http://doi.acm.org/10.1145/1274000.1274058},
  publisher = {ACM},
  address = {New York, NY, USA},
  url = {http://www.albertorriols.net/Files/Presentations/2007IWLCS-Surr.pdf},
  }
• A. Orriols-Puig and E. Bernadó-Mansilla, "A Further Look at UCS Classifier System. Best Paper nomination," in GECCO’06: Proceedings of the 2006 Genetic and Evolutionary Computation Conference Workshop Program, Seattle, W.A., USA, 2006, pp. 1-4. [bibtex]
  @InProceedings{Orriols:06b,
  author = {A. Orriols-Puig and E. Bernad\’o-Mansilla},
  title = {A Further Look at {UCS} Classifier System. Best Paper nomination},
  Booktitle = {GECCO’06: Proceedings of the 2006 Genetic and Evolutionary Computation Conference Workshop Program},
  year = {2006},
  month = {08–12 July},
  publisher = {ACM Press},
  address = {Seattle, W.A., USA},
  pages = {1–4},
  url = {http://www.albertorriols.net/Files/Presentations/2006IWLCS.pdf},
  }
• A. Orriols-Puig and E. Bernadó-Mansilla, "Bounding XCS Parameters for Unbalanced Datasets," in GECCO’06: Proceedings of the 2006 Genetic and Evolutionary Computation Conference, 2006, pp. 1561-1568. [bibtex]
  @InProceedings{Orriols:06a,
  author = {A. Orriols-Puig and E. Bernad\’o-Mansilla},
  title = {Bounding {XCS} Parameters for Unbalanced Datasets},
  booktitle = {GECCO’06: Proceedings of the 2006 Genetic and Evolutionary Computation Conference},
  year = {2006},
  pages = {1561–1568},
  location = {Seattle, Washington, USA},
  publisher = {ACM Press},
  url = {http://www.albertorriols.net/Files/Presentations/2006GECCO.pdf},
  }
• A. Orriols-Puig and E. Bernadó-Mansilla, "The Class Imbalance Problem in UCS Classifier System: Fitness Adaptation," in Congress on Evolutionary Computation, Edinburgh, UK, 2005, pp. 604-611. [bibtex]
  @InProceedings{Orriols:05b,
  author = {A. Orriols-Puig and E. Bernad\’o-Mansilla},
  title = {The Class Imbalance Problem in {UCS} Classifier System: {F}itness Adaptation},
  Booktitle = {Congress on Evolutionary Computation},
  year = {2005},
  volume = 1, pages = {604-611},
  month = {2-5 September},
  publisher = {IEEE},
  address = {Edinburgh, UK},
  notes = {IEEE Catalog Number: 05TH8834},
  url = {http://www.albertorriols.net/Files/Presentations/2005CEC.pdf},
  }
• A. Orriols-Puig and E. Bernadó-Mansilla, "The Class Imbalance Problem in Learning Classifier Systems: A Preliminary Study," in GECCO’05: Proceedings of the 2005 Genetic and Evolutionary Computation Conference Workshop Program, Washington, D.C., USA, 2005, pp. 74-78. [bibtex]
  @InProceedings{Orriols:05a,
  author = {A. Orriols-Puig and E. Bernad\’o-Mansilla},
  title = {The Class Imbalance Problem in Learning Classifier Systems: {A} Preliminary Study},
  booktitle = {GECCO’05: Proceedings of the 2005 Genetic and Evolutionary Computation Conference Workshop Program},
  year = {2005},
  month = {25-29 June},
  publisher = {ACM Press},
  address = {Washington, D.C., USA},
  pages = {74–78},
  notes = {Distributed on CD-ROM at GECCO-2005. ACM 1-59593-097-3/05/0006},
  url = {http://www.albertorriols.net/Files/Presentations/2005IWLCS.pdf},
  }