@article {769, title = {Quantitative Characteristics of Human-Written Short Stories as a Metric for Automated Storytelling}, journal = {New Generation Computing}, volume = {38}, year = {2020}, month = {10/2020}, chapter = {635}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s and Delatorre, Pablo and Alan Tapscott} } @article {725, title = {Conceptual Representations for Computational Concept Creation}, journal = {ACM Comput. Surv.}, volume = {52}, number = {1}, year = {2019}, pages = {9:1{\textendash}9:33}, issn = {0360-0300}, doi = {10.1145/3186729}, url = {http://doi.acm.org/10.1145/3186729}, attachments = {http://nil.fdi.ucm.es/sites/default/files/a9-xiao-with-supp.pdf}, author = {Xiao, Ping and Hannu Toivonen and Gross, Oskar and Cardoso, Am{\'\i}lcar and Correia, Jo{\~a}o and Machado, Penousal and Martins, Pedro and Hugo Gon{\c c}alo Oliveira and Sharma, Rahul and Pinto, Alexandre Miguel and D{\'\i}az, Alberto and Virginia Francisco and Pablo Gerv{\'a}s and Herv{\'a}s, Raquel and Carlos Le{\'o}n and Forth, Jamie and Purver, Matthew and Wiggins, Geraint A. and Miljkovi{\'c}, Dragana and Podpe{\v c}an, Vid and Pollak, Senja and Kralj, Jan and {\.Z}nidar{\v s}i{\v c}, Martin and Bohanec, Marko and Nada Lavrac and Urban{\v c}i{\v c}, Tanja and Velde, Frank Van Der and Battersby, Stuart} } @article {722, title = {Information management in interactive and non-interactive suspenseful storytelling}, journal = {Connection Science}, volume = {31}, number = {1}, year = {2019}, month = {01/2019}, pages = {82-101}, type = {Original Research}, doi = {10.1080/09540091.2018.1454890}, url = {https://www.tandfonline.com/doi/full/10.1080/09540091.2018.1454890}, author = {Delatorre, Pablo and Carlos Le{\'o}n and Salguero, Alberto and Palomo-Duarte, Manuel and Pablo Gerv{\'a}s} } @article {721, title = {The Long Path to Narrative Generation}, journal = {IBM Journal of Research \& Development}, volume = {63}, number = {1}, year = {2019}, month = {01/2019}, pages = {1-8}, chapter = {1}, issn = {0018-8646}, doi = {10.1147/JRD.2019.2896157}, url = {https://ieeexplore.ieee.org/document/8630003}, attachments = {http://nil.fdi.ucm.es/sites/default/files/Gervasetal2019LongPathNarrativeGeneration.pdf}, author = {Pablo Gerv{\'a}s and Eugenio Concepci{\'o}n and Carlos Le{\'o}n and Gonzalo M{\'e}ndez and Delatorre, Pablo} } @conference {677, title = {Impact of interactivity on information management for suspense in storytelling}, booktitle = {Proceedings of AISB Annual Convencion 2017}, year = {2017}, publisher = {Society with AI}, organization = {Society with AI}, attachments = {http://nil.fdi.ucm.es/sites/default/files/Delatorre\%202017\%20-\%20Interactivity\%20and\%20suspense_0.pdf}, author = {Delatorre, Pablo and Carlos Le{\'o}n and Salguero, Alberto and Mateo-Gil, Cristina and Pablo Gerv{\'a}s}, editor = {Joanna Bryson, Marina De Vos, Julian Padget} } @conference {668, title = {The Long Path of Frustration: a case of study with Dead by Daylight}, booktitle = {I. Rojas et al. (eds.): Advances in Computational Intelligence, 14th International Work-Conference on Artificial Neural Networks, IWANN 2017, C{\'a}diz, Spain, June 14-16, Proceedings, Part II, LNCS 10306}, year = {2017}, publisher = {Springer International Publishing}, organization = {Springer International Publishing}, doi = {doi: 10.1007/978-3-319-59147-6_57}, attachments = {http://nil.fdi.ucm.es/sites/default/files/Delatorre\%202017\%20-\%20Long\%20path\%20of\%20frustration_0.pdf}, author = {Delatorre, Pablo and Carlos Le{\'o}n and Salguero, Alberto and Mateo-Gil, Cristina} } @conference {624, title = {Annotating Musical Theatre Plots on Narrative Structure and Emotional Content}, booktitle = {Seventh International Workshop on Computational Models of Narrative}, year = {2016}, month = {07/2016}, publisher = { OpenAccess Series in Informatics}, organization = { OpenAccess Series in Informatics}, address = {Kravov, Poland}, attachments = {http://nil.fdi.ucm.es/sites/default/files/annotating-musical-theatreCRC.pdf}, author = {Pablo Gerv{\'a}s and Herv{\'a}s, Raquel and Carlos Le{\'o}n and Catherine V Gale} } @article {628, title = {An architecture of narrative memory}, journal = {Biologically Inspired Cognitive Architectures}, volume = {16}, year = {2016}, month = {04/2016}, chapter = {19}, author = {Carlos Le{\'o}n} } @conference {633, title = {A Challenge Proposal for Narrative Generation using CNLs}, booktitle = {GenChal Special Session at 9th International Natural Language Generation conference, INLG 2016 5-8 September 2016}, year = {2016}, month = {09/2016}, address = {Edinburgh, Scotland, UK}, doi = {http://dx.doi.org/10.18653/v1/W16-6628}, url = {https://www.aclweb.org/anthology/W16-6628}, attachments = {http://nil.fdi.ucm.es/sites/default/files/NarrChal2016ConcepcionCRC.pdf}, author = {Eugenio Concepci{\'o}n and Pablo Gerv{\'a}s and Gonzalo M{\'e}ndez and Carlos Le{\'o}n} } @conference {644, title = {Empirical Evidence of the Limits of Automatic Assessment of Fictional Ideation}, booktitle = {C3GI at ESSLLI 2016 Computational Creativity, Concept Invention, and General Intelligence}, year = {2016}, author = {Alan Tapscott and Javier G{\'o}mez and Carlos Le{\'o}n and Jasmina Smailovic and Martin Znidarsic and Pablo Gerv{\'a}s} } @inbook {615, title = {Integrating Purpose and Revision into a Computational Model of Literary Generation}, booktitle = {Creativity and Universality in Language}, series = {Lecture Notes in Morphogenesis}, year = {2016}, publisher = {Springer}, organization = {Springer}, edition = { Esposti, Mirko Degli, Altmann, Eduardo, Pachet, Francois (Eds.)}, chapter = {Integrating Purpose and Revision into a Computational Model of Literary Generation}, isbn = {978-3-319-24403-7}, url = {http://www.springer.com/us/book/9783319244013}, author = {Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @inbook {578, title = {On the Use of Character Affinities for Story Plot Generation}, booktitle = {Knowledge, Information and Creativity Support Systems: Selected Papers from KICSS{\textquoteright}2014}, series = {Advances in Intelligent Systems and Computing}, volume = {416}, year = {2016}, month = {02/2016}, pages = {211-225}, publisher = {Springer}, organization = {Springer}, chapter = {15}, isbn = {9783319274782}, doi = {10.1007/978-3-319-27478-2_15}, url = {http://www.springer.com/us/book/9783319274775}, attachments = {http://nil.fdi.ucm.es/sites/default/files/kicss14.pdf}, author = {Gonzalo M{\'e}ndez and Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {626, title = {Using CNL for Knowledge Elicitation and Exchange across Story Generation Systems}, booktitle = {5th Workshop on Controlled Natural Language (CNL 2016)}, year = {2016}, month = {07/2016}, publisher = {Springer}, organization = {Springer}, address = {Aberdeen, Scotland}, doi = {https://doi.org/10.1007/978-3-319-41498-0_8}, url = {https://link.springer.com/chapter/10.1007/978-3-319-41498-0_8}, attachments = {http://nil.fdi.ucm.es/sites/default/files/CNL2016-paper11.pdf}, author = {Eugenio Concepci{\'o}n and Pablo Gerv{\'a}s and Gonzalo M{\'e}ndez and Carlos Le{\'o}n} } @conference {620, title = {Using Fuzzy Logic to Model Character Affinities for Story Plot Generation}, booktitle = {Congreso Espa{\~n}ol sobre Tecnolog{\'\i}as y L{\'o}gica Fuzzy (ESTYLF 2016)}, year = {2016}, month = {05/2016}, address = {San Sebasti{\'a}n, Spain}, attachments = {http://nil.fdi.ucm.es/sites/default/files/estylf2016Affinities.pdf}, author = {Gonzalo M{\'e}ndez and Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {643, title = {We Built Our Own Worlds - Story Canonicity and Indirect Collaboration in a Shared Story World}, booktitle = {Sixth International Conference on Advanced Collaborative Networks, Systems and Applications (COLLA 2016)}, year = {2016}, author = {Alan Tapscott and Joaquim Col{\'a}s and Valeria Righi and Carlos Le{\'o}n and Josep Blat} } @conference {609, title = {Calibrating a Metric for Similarity of Stories against Human Judgment}, booktitle = {Creativity and Experience Workshop, International Conference on Case-Based Reasoning}, year = {2015}, month = {09/2015}, address = {Bad Homburg, Frankfurt, Germany}, attachments = {http://nil.fdi.ucm.es/sites/default/files/HervasEtAl_ICCBR-EC.pdf}, author = {Herv{\'a}s, Raquel and S{\'a}nchez-Ruiz, Antonio and Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @inbook {616, title = {Corregir e innovar corrigiendo: modelos de creatividad literaria como ciclo de reflexi{\'o}n-revisi{\'o}n}, booktitle = {Creatividad Computacional}, year = {2015}, publisher = {UAM-Cuajimalpa-Patria}, organization = {UAM-Cuajimalpa-Patria}, edition = {P{\'e}rez y P{\'e}rez R. (Ed.)}, address = {M{\'e}xico D. F}, isbn = {978-607-744-284-4}, author = {Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {608, title = {Generating Plots for a Given Query Using a Case-Base of Narrative Schemas}, booktitle = {Creativity and Experience Workshop, International Conference on Case-Based Reasoning}, year = {2015}, month = {09/2015}, address = {Bad Homburg, Frankfurt, Germany}, attachments = {http://nil.fdi.ucm.es/sites/default/files/iccbr2015draft.pdf}, author = {Pablo Gerv{\'a}s and Herv{\'a}s, Raquel and Carlos Le{\'o}n} } @conference {574, title = {Schemas for Narrative Generation Mined from Existing Descriptions of Plot}, booktitle = {Computational Models of Narrative}, year = {2015}, month = {05/2015}, publisher = {Scholoss Dagstuhl OpenAccess Series in Informatics (OASIcs)}, organization = {Scholoss Dagstuhl OpenAccess Series in Informatics (OASIcs)}, address = {Atlanta, Georgia, USA}, doi = {https://doi.org/10.4230/OASIcs.CMN.2015.54}, url = {https://drops.dagstuhl.de/opus/volltexte/2015/5281/}, attachments = {http://nil.fdi.ucm.es/sites/default/files/CMN\%202015\%20CRC.pdf}, author = {Pablo Gerv{\'a}s and Carlos Le{\'o}n and Gonzalo M{\'e}ndez} } @conference {580, title = {When Reflective Feedback Triggers Goal Revision: a Computational Model for Literary Creativity}, booktitle = {AI and Feedback, IJCAI 2015}, year = {2015}, month = {07/2015}, publisher = {CEUR-WS}, organization = {CEUR-WS}, address = {Buenos Aires}, isbn = {1613-0073}, url = {http://nil.fdi.ucm.es/sites/default/files/AInF2015paper5_crc.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/AInF2015paper5_crc.pdf}, author = {Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {555, title = {Creativity in Story Generation From the Ground Up: Non-deterministic Simulation driven by Narrative}, booktitle = {5th International Conference on Computational Creativity, ICCC 2014}, year = {2014}, month = {06/2014}, address = {Ljubljana, Slovenia}, attachments = {http://nil.fdi.ucm.es/sites/default/files/stella\%20CRC.pdf}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s} } @conference {563, title = {A Model of Character Affinity for Agent-Based Story Generation}, booktitle = {9th International Conference on Knowledge, Information and Creativity Support Systems}, year = {2014}, month = {11/2014}, publisher = {Springer-Verlag}, organization = {Springer-Verlag}, address = {Limassol, Cyprus}, attachments = {http://nil.fdi.ucm.es/sites/default/files/MendezGervasLeon-kicss2014.pdf}, author = {Gonzalo M{\'e}ndez and Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {557, title = {The Need for Multi-Aspectual Representation of Narratives in Modelling their Creative Process}, booktitle = {2014 Workshop on Computational Models of Narrative}, year = {2014}, month = {07/2014}, publisher = {Scholoss Dagstuhl OpenAccess Series in Informatics (OASIcs)}, organization = {Scholoss Dagstuhl OpenAccess Series in Informatics (OASIcs)}, address = {Quebec City, Canada}, attachments = {http://nil.fdi.ucm.es/sites/default/files/cmn14.pdf}, author = {Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {554, title = {Reading and Writing as a Creative Cycle: The Need for a Computational Model}, booktitle = {5th International Conference on Computational Creativity, ICCC 2014}, year = {2014}, month = {06/2014}, address = {Ljubljana, Slovenia}, attachments = {http://nil.fdi.ucm.es/sites/default/files/ictivs_rev.pdf}, author = {Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {488, title = {Prototyping the Use of Plot Curves to Guide Story Generation}, booktitle = {Workshop on Computational Models of Narrative, 2012 Language Resources and Evaluation Conference (LREC{\textquoteright}2012)}, year = {2012}, month = {05/2012}, address = {Istambul, Turkey}, attachments = {http://nil.fdi.ucm.es/sites/default/files/leon_gervas_cmn12.pdf}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s} } @conference {531, title = {Assisting Writing Through Step-by-Step Story Generation}, booktitle = {Semi-Automated Creativity Workshop, ACM conference on Creativity \& Cognition 2011}, year = {2011}, month = {11/2011}, address = {Atlanta, Georgia, USA.}, keywords = {story generation}, url = {http://computationalcreativity.org/sac/?page_id=8}, attachments = {http://nil.fdi.ucm.es/sites/default/files/semi_automated_extended_leon_gervas.pdf}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s} } @conference {463, title = {Empirical Identification of Text Simplification Strategies for Reading-Impaired People}, booktitle = {European Conference for the Advancement of Assistive Technology}, year = {2011}, month = {09/2011}, address = {Maastricht, the Netherlands}, attachments = {http://nil.fdi.ucm.es/sites/default/files/AAATE_BautistaLeonHervasGervas.pdf}, author = {Bautista, Susana and Carlos Le{\'o}n and Herv{\'a}s, Raquel and Pablo Gerv{\'a}s} } @conference {495, title = {A Top-Down Design Methodology based on Causality and Chronology for Developing Assisted Story Generation Systems}, booktitle = {8th ACM Conference on Creativity and Cognition}, year = {2011}, month = {11/2012}, address = {Atlanta}, url = {http://nil.fdi.ucm.es/sites/default/files/cc294-leon.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/cc294-leon.pdf}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s} } @conference {530, title = {A Top-Down Design Methodology based on Causality and Chronology for Developing Assisted Story Generation Systems}, booktitle = {8th ACM conference on Creativity and cognition}, year = {2011}, month = {11/2011}, publisher = {ACM New York, NY, USA}, organization = {ACM New York, NY, USA}, address = {Atlanta, Georgia, USA.}, keywords = {story generation}, isbn = {978-1-4503-0820-5}, doi = {10.1145/2069618.2069697}, attachments = {http://nil.fdi.ucm.es/sites/default/files/cc294-leon_0.pdf}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s} } @mastersthesis {494, title = {A Computational Model for Automated Extraction of Structural Schemas from Simple Narrative Plots}, volume = {S.c. Laude}, year = {2010}, month = {10/2010}, pages = {222}, school = {Universidad Complutense de Madrid}, address = {Madrid}, isbn = {978-84-694-2084-3 }, url = {http://nil.fdi.ucm.es/sites/default/files/tesis_isbn.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/tesis_isbn.pdf}, author = {Carlos Le{\'o}n} } @article {433, title = {The Role of Evaluation Driven Rejection in the Successful Exploration of a Conceptual Space of Stories}, journal = {Minds and Machines}, year = {2010}, url = {http://nil.fdi.ucm.es/sites/default/files/mm10_leon_gervas.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/mm10_leon_gervas.pdf}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s} } @conference {434, title = {Story Generation Driven by System-Modified Evaluation Validated by Human Judges}, booktitle = {First International Conference on Computational Creativity}, year = {2010}, month = {01/2010}, address = {Lisboa, Portugal}, url = {http://nil.fdi.ucm.es/sites/default/files/cc2010short.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/cc2010short.pdf}, author = {Pablo Gerv{\'a}s and Carlos Le{\'o}n} } @conference {393, title = {Constructing World Abstractions for Natural Language in Virtual 3D Environments}, booktitle = {2nd International Symposium on Intelligent Interactive Multimedia Systems and Services}, year = {2009}, month = {07/2009}, address = {Mogliano Veneto, Italy}, url = {http://nil.fdi.ucm.es/sites/default/files/iimss09.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/iimss09.pdf}, author = {Carlos Le{\'o}n and de la Puente, Salvador and Dionne, Daniel and Herv{\'a}s, Raquel and Pablo Gerv{\'a}s} } @conference {101, title = {A Model for Human Readable Instruction Generation Using Level-Based Discourse Planning and Dynamic Inference of Attributes Disambiguation}, booktitle = {12th European Workshop on Natural Language Generation}, year = {2009}, month = {03/2009}, address = {Athens, Greece}, url = {http://nil.fdi.ucm.es/sites/default/files/nlgenvironment.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/nlgenvironment.pdf}, author = {Dionne, Daniel and de la Puente, Salvador and Carlos Le{\'o}n and Herv{\'a}s, Raquel and Pablo Gerv{\'a}s} } @conference { Leonetat2008, title = {Creative Storytelling Based on Transformation of Generation Rules}, booktitle = {5th Internation Joint Workshop on Computational Creativity}, year = {2008}, url = {http://nil.fdi.ucm.es/sites/default/files/ijwcc08cast.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/ijwcc08cast.pdf}, author = {Carlos Le{\'o}n and Pablo Gerv{\'a}s} } @conference { Leonetat2008a, title = {A Framework for Building Creative Objects From Heterogeneous Generation Systems}, booktitle = {5th International Joint Workshop on Computational Creativity}, year = {2008}, url = {http://nil.fdi.ucm.es/sites/default/files/ijwcc08spiel.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/ijwcc08spiel.pdf}, author = {Carlos Le{\'o}n and Carrillo de Albornoz, Jorge and Pablo Gerv{\'a}s} } @conference { Leonetat2008, title = {An Intelligent Plot-Centric Interface for Mastering Computer Role-Playing Games}, booktitle = {First Joint International Conference on Interactive Digital Storytelling}, year = {2008}, address = {Erfurt, Germany}, url = {http://nil.fdi.ucm.es/sites/default/files/icids08.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/icids08.pdf}, author = {Carlos Le{\'o}n and Peinado, Federico and Navarro, Alvaro} } @conference {HervasGervasGRE2008, title = {NIL-UCM: Most-Frequent-Value-First Attribute Selection and Best-Scoring-Choice Realization}, booktitle = {Referring Expression Generation Challenge 2008, Proc. of the 5th International Natural Language Generation Conference (INLG{\textquoteright}08)}, year = {2008}, month = {06/2008}, address = {Ohio, USA}, attachments = {http://nil.fdi.ucm.es/sites/default/files/HervasGervasGRE2008.pdf}, author = {Pablo Gerv{\'a}s and Herv{\'a}s, Raquel and Carlos Le{\'o}n} } @conference {Riedl2008, title = {Toward Vignette-Based Story Generation for Drama Management Systems}, booktitle = {Workshop on Integrating Technologies for Interactive Stories - 2nd International Conference on INtelligent TEchnologies for interactive enterTAINment }, year = {2008}, month = {8-10/1}, attachments = {http://nil.fdi.ucm.es/sites/default/files/camera-ready.pdf}, author = {Riedl, M. and Carlos Le{\'o}n} } @conference {Hassan2007a, title = {Agent Based Simulation Framework for Quantitative and Qualitative Social Research: Statistics and Natural Language Generation}, booktitle = {The Fourth European Social Simulation Association Conference}, year = {2007}, month = {9/2007}, publisher = {F. Amblard}, organization = {F. Amblard}, address = {Toulouse, France}, isbn = {978-2-9520326-7-4}, url = {http://nil.fdi.ucm.es/sites/default/files/ABSSqualitativequantitavie ESSA 2007 v25 para enviar.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/ABSSqualitativequantitavie\%20ESSA\%202007\%20v25\%20para\%20enviar.pdf}, author = {Hassan, Samer and Pav{\'o}n, Juan and Arroyo, Mill{\'a}n and Carlos Le{\'o}n} } @conference {Hassan2007, title = {A Computer Model that Generates Biography-Like Narratives}, booktitle = {International Joint Workshop on Computational Creativity}, year = {2007}, month = {7/2007}, address = {London}, url = {http://nil.fdi.ucm.es/sites/default/files/ijwcc07.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/ijwcc07.pdf}, author = {Hassan, Samer and Carlos Le{\'o}n and Pablo Gerv{\'a}s and Herv{\'a}s, Raquel} } @conference {Francisco2007, title = {Expressive Synthesis of Read Aloud Tales}, booktitle = {Artificial \& Ambient Intelligence (AISB{\textquoteright}07)}, year = {2007}, month = {April 2007}, pages = {179{\textendash}186}, address = {Culture Lab, Newcastle University, Newcastle upon Tyne, UK}, attachments = {http://nil.fdi.ucm.es/sites/default/files/FranciscoetalAISB07.pdf}, author = {Virginia Francisco and Pablo Gerv{\'a}s and M{\'o}nica Gonz{\'a}lez and Carlos Le{\'o}n} } @conference {Leon2007, title = {From the Event Log of a Social Simulation to Narrative Discourse: Content Planning in Story Generation}, booktitle = {Conference of the Artificial and Ambient Intelligence}, year = {2007}, month = {04/2007}, pages = {402{\textendash}409}, address = {Culture Lab, Newcastle University, Newcastle upon Tyne, UK}, url = { http://nil.fdi.ucm.es/sites/default/files/agentes07.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/agentes07.pdf}, author = {Carlos Le{\'o}n and Hassan, Samer and Pablo Gerv{\'a}s and Patrick Olivier and Christian Kray} } @conference {Leon2007a, title = {Mixed Narrative and Dialog Content Planning Based on BDI Agents}, booktitle = {XII Conferencia de la Asociaci{\'o}n Espa{\~n}ola para Inteligencia Artificial}, year = {2007}, month = {11/2007}, address = {Salamanca, Spain}, url = {http://nil.fdi.ucm.es/sites/default/files/caepia07.pdf}, attachments = {http://nil.fdi.ucm.es/sites/default/files/caepia07.pdf}, author = {Carlos Le{\'o}n and Hassan, Samer and Pablo Gerv{\'a}s and Pav{\'o}n, Juan} }