Antonios Liapis: "Searching for Sentient Design Tools for Game Development," PhD thesis, Center for Computer Games, IT University of Copenhagen, Copenhagen, Denmark, 2014. PDF BibTex
Antonios Liapis: "Artificial Intelligence for Designing Games," In The Handbook of Artificial Intelligence and the Arts, Penousal Machado, Juan Romero, and Gary Greenfield (Eds.). Springer, 2021. (in print) PDF HTML BibTex
Noor Shaker, Antonios Liapis, Julian Togelius, Ricardo Lopes and Rafael Bidarra: "Constructive Generation Methods for Dungeons and Levels," In Procedural Content Generation in Games: A Textbook and an Overview of Current Research, Noor Shaker, Julian Togelius and Mark J. Nelson (Eds.). Springer, 2016. PDF HTML BibTex
Antonios Liapis, Gillian Smith and Noor Shaker: "Mixed-initiative Content Creation," In Procedural Content Generation in Games: A Textbook and an Overview of Current Research, Noor Shaker, Julian Togelius and Mark J. Nelson (Eds.). Springer, 2016. PDF HTML BibTex
Emmanouil Xylakis, Antonios Liapis, Georgios N. Yannakakis: "Affect in Spatial Navigation: A Study of Rooms," in IEEE Transactions on Affective Computing, 2024 (accepted). PDF BibTex
Roberto Gallotta, Graham Todd, Marvin Zammit, Sam Earle, Antonios Liapis, Julian Togelius, Georgios N. Yannakakis: "Large Language Models and Games: A Survey and Roadmap," in IEEE Transactions on Games, 2024 (accepted). PDF BibTex
Konstantinos Makantasis, Kosmas Pinitas, Antonios Liapis and Georgios N. Yannakakis: "From the Lab to the Wild: Affect Modeling via Privileged Information," in IEEE Transactions on Affective Computing 15(2), 2024. PDF BibTex
Johannes Pfau, Antonios Liapis, Georgios N. Yannakakis and Rainer Malaka: "Dungeons & Replicants II: Automated Game Balancing Across Multiple Difficulty Dimensions via Deep Player Behavior Modeling," in IEEE Transactions on Games 15(2), 2023. PDF BibTex
Konstantinos Makantasis, Antonios Liapis and Georgios N. Yannakakis: "The Pixels and Sounds of Emotion: General-Purpose Representations of Arousal in Games," in IEEE Transactions on Affective Computing 14(1), 2023. PDF BibTex
Matthew Barthet, Antonios Liapis and Georgios N. Yannakakis: "Open-Ended Evolution for Minecraft Building Generation," in IEEE Transactions on Games 15(4), 2022. PDF BibTex
David Melhart, Antonios Liapis and Georgios N. Yannakakis: "The Arousal video Game AnnotatIoN (AGAIN) Dataset," in IEEE Transactions on Affective Computing 13(4), 2022. PDF BibTex
Marvin Zammit, Iro Voulgari, Antonios Liapis and Georgios N. Yannakakis: "Learn to Machine Learn via Games in the Classroom," in Frontiers in Education, vol. 7, 2022. PDF HTML BibTex
Konstantinos Sfikas and Antonios Liapis: "Playing Against the Board: Rolling Horizon Evolutionary Algorithms Against Pandemic," in IEEE Transactions on Games 14(3), 2021. PDF BibTex
Panagiotis Migkotzidis and Antonios Liapis: "SuSketch: Surrogate Models of Gameplay as a Design Assistant," in IEEE Transactions on Games 14(2), pp. 273-283. 2021. [Runner-up for Best of ToG Award at IEEE CoG 2024] PDF BibTex
David Melhart, Georgios N. Yannakakis and Antonios Liapis: "I Feel I Feel You: A Theory of Mind Experiment in Games," in Kunstliche Intelligenz, vol. 34, pp. 45–55. Springer, 2020. PDF BibTex
Ahmed Dahroug, Andreas Vlachidis, Antonios Liapis, Antonis Bikakis, Martin Lopez-Nores, Owen Sacco and Jose Juan Pazos-Arias: "Using Dates as Contextual Information for Personalized Cultural Heritage Experiences," in SAGE Journal of Information Science 47(1), pp. 82-100, 2021. PDF BibTex
Daniel Karavolos, Antonios Liapis and Georgios N. Yannakakis: "A Multi-Faceted Surrogate Model for Search-based Procedural Content Generation," in Transactions on Games, vol. 13, no 1, pp. 11-22, 2021. PDF BibTex
Daniele Gravina, Antonios Liapis and Georgios N. Yannakakis: "Quality Diversity Through Surprise," in Transactions on Evolutionary Computation, vol. 23, no 4, pp. 603-616, 2019. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis, Mark J. Nelson, Mike Preuss and Rafael Bidarra: "Orchestrating Game Generation," in Transactions on Games, vol. 11, no 1, pp. 48-68, 2019. PDF HTML BibTex
Gabriella A. B. Barros, Michael Cerny Green, Antonios Liapis and Julian Togelius: "Who Killed Albert Einstein? From Open Data to Murder Mystery Games," in Transactions on Games, vol. 11, no 1, pp. 79-89, 2019. PDF BibTex
Christoffer Holmgard, Michael Cerny Green, Antonios Liapis and Julian Togelius: "Automated Playtesting with Procedural Personas through MCTS with Evolved Heuristics," IEEE Transactions on Games, vol. 11, no. 4, pp. 352-362, 2019. PDF BibTex
Phil Lopes, Antonios Liapis and Georgios N. Yannakakis: "Modelling Affect for Horror Soundscapes," IEEE Transactions on Affective Computing, vol. 10, no 2, pp. 209-222, 2019. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis, Constantine Alexopoulos and Phil Lopes: "Can Computers Foster Human Users' Creativity? Theory and Praxis of Mixed-Initiative Co-Creativity," Digital Culture & Education (DCE), 8 (2). 2016. PDF HTML BibTex
Christoffer Holmgard, Antonios Liapis, Julian Togelius and Georgios N. Yannakakis: "Evolving Models of Player Decision Making: Personas versus Clones," Entertainment Computing. Elsevier Volume 16, 2016, pp. 95–104. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Constrained Novelty Search: A Study on Game Content Generation," Evolutionary Computation 21(1), 2015, pp. 101-129. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Adapting Models of Visual Aesthetics for Personalized Content Creation," IEEE Transactions on Computational Intelligence and AI in Games 4(3), 2012, pp. 213-228. PDF BibTex
Kosmas Pinitas, Nemanja Rasajski, Matthew Barthet, Maria Kaselimi, Konstantinos Makantasis, Antonios Liapis, Georgios N. Yannakakis: "Varying the Context to Advance Affect Modelling: A Study on Game Engagement Prediction," in Proceedings of the International Conference on Affective Computing and Intelligent Interaction, 2024. PDF BibTex
Roberto Gallotta, Antonios Liapis, Georgios N. Yannakakis: "Consistent Game Content Creation via Function Calling for Large Language Models," in Proceedings of the IEEE Conference on Games, 2024. PDF BibTex
Marvin Zammit, Antonios Liapis, Georgios N. Yannakakis: "MAP-Elites with Transverse Assessment for Multimodal Problems in Creative Domains," in Proceedings of the International Conference on Computational Intelligence in Music, Sound, Art and Design (EvoMusArt), 2024. PDF BibTex
Kosmas Pinitas, David Renaudie, Mike Thomsen, Matthew Barthet, Konstantinos Makantasis, Antonios Liapis, Georgios N. Yannakakis: "Predicting Player Engagement in Tom Clancy's The Division 2: A Multimodal Approach via Pixels and Gamepad Actions," in Proceedings of the 25th ACM International Conference on Multimodal Interaction, 2023. PDF BibTex
Emmanouil Xylakis, Ali Najm, Despina Michael-Grigoriou, Antonios Liapis and Georgios N. Yannakakis: "Eliciting and Annotating Emotion in Virtual Spaces," in Proceedings of the 41st Education and Research in Computer Aided Architectural Design in Europe (eCAADe) Conference, 2023. PDF BibTex
Konstantinos Sfikas, Antonios Liapis, Joel Hilmersson, Jeg Dudley, Edoardo Tibuzzi and Georgios N. Yannakakis: "Design Space Exploration of Shell Structures Using Quality Diversity Algorithms," in Proceedings of the International Association for Shell and Spatial Structures Symposium, 2023. PDF BibTex
Antonios Liapis and Alena Denisova: "The Challenge of Evaluating Player Experience in Tabletop Role-Playing Games," in Proceedings of the International Conference on the Foundations of Digital Games, 2023. PDF HTML BibTex
Paris Mavromoustakos-Blom, David Melhart, Antonios Liapis, Georgios N. Yannakakis, Sander Bakkes and Pieter Spronck: "Multiplayer Tension In the Wild: A Hearthstone Case," in Proceedings of the International Conference on the Foundations of Digital Games, 2023. PDF BibTex
Kosmas Pinitas, Konstantinos Makantasis, Antonios Liapis and Georgios N. Yannakakis: "Supervised Contrastive Learning for Affect Modelling," in Proceedings of the International Conference on Multimodal Interfaces, 2022. PDF BibTex
Matthew Barthet, Ahmed Khalifa, Antonios Liapis and Georgios N. Yannakakis: "Play with Emotion: Affect-Driven Reinforcement Learning," in Proceedings of the International Conference on Affective Computing and Intelligent Interaction, 2022. PDF BibTex
Matthew Barthet, Ahmed Khalifa, Antonios Liapis and Georgios N. Yannakakis: "Generative Personas That Behave and Experience Like Humans," in Proceedings of the Foundations on Digital Games Conference, 2022. PDF BibTex
Chintan Trivedi, Konstantinos Makantasis, Antonios Liapis and Georgios N. Yannakakis: "Game State Learning via Game Scene Augmentation," in Proceedings of the Foundations on Digital Games Conference, 2022. PDF BibTex
Chintan Trivedi, Konstantinos Makantasis, Antonios Liapis and Georgios N. Yannakakis: "Learning Task-Independent Game State Representations from Unlabeled Images," in Proceedings of the IEEE Conference on Games, 2022. PDF BibTex
Marvin Zammit, Antonios Liapis and Georgios N. Yannakakis: "Seeding Diversity into AI Art," in Proceedings of the International Conference on Computational Creativity, 2022. [Best Student Paper Award] PDF BibTex
Kosmas Pinitas, Konstantinos Makantasis, Antonios Liapis and Georgios N. Yannakakis: "RankNEAT: Outperforming Stochastic Gradient Search in Preference Learning Tasks," in Proceedings of the Genetic and Evolutionary Computation Conference, 2022. PDF BibTex
Konstantinos Makantasis, David Melhart, Antonios Liapis and Georgios N. Yannakakis: "Privileged Information for Modeling Affect In The Wild," in Proceedings of the IEEE International Conference on Affective Computing and Intelligent Interaction, 2021. PDF BibTex
Emmanouil Xylakis, Antonios Liapis and Georgios N. Yannakakis: "Architectural Form and Affect: A Spatiotemporal Study of Arousal," in Proceedings of the IEEE International Conference on Affective Computing and Intelligent Interaction, 2021. PDF BibTex
Cristiana Pacheco, David Melhart, Antonios Liapis, Georgios N. Yannakakis and Diego Perez-Liebana: "Trace It Like You Believe It: Time-Continuous Believability Prediction," in Proceedings of the IEEE International Conference on Affective Computing and Intelligent Interaction, 2021. PDF BibTex
Chintan Trivedi, Antonios Liapis and Georgios N. Yannakakis: "Contrastive Learning of Generalized Game Representations," in Proceedings of the IEEE Conference on Games, 2021. PDF BibTex
David Melhart, Antonios Liapis and Georgios N. Yannakakis: "Towards General Models of Player Experience: A Study Within Genres," in Proceedings of the IEEE Conference on Games, 2021. [Nominated for Best Paper Award] PDF BibTex
Marvin Zammit, Iro Voulgari, Antonios Liapis and Georgios N. Yannakakis: "The Road to AI Literacy Education: From Pedagogical Needs to Tangible Game Design," in Proceedings of the European Conference on Games Based Learning, 2021. PDF BibTex
Iro Voulgari, Marvin Zammit, Elias Stouraitis, Antonios Liapis and Georgios N. Yannakakis: "Learn to Machine Learn: Designing a Game Based Approach for Teaching Machine Learning to Primary and Secondary Education Students," in Proceedings of the ACM Interaction Design and Children (IDC) conference, 2021. PDF BibTex
Konstantinos Sfikas, Antonios Liapis and Georgios N. Yannakakis: "Monte Carlo Elites: Quality-Diversity Selection as a Multi-Armed Bandit Problem," in Proceedings of the Genetic and Evolutionary Computation Conference, 2021. PDF BibTex
Konstantinos Sfikas and Antonios Liapis: "Collaborative Agent Gameplay in the Pandemic Board Game," in Proceedings of the Foundations of Digital Games Conference, 2020. PDF BibTex
Kalliopi Kontiza, Antonios Liapis and Catherine Emma Jones: "Reliving the Experience of Visiting a Gallery: Methods for Evaluating Informal Learning in Games for Cultural Heritage," in Proceedings of the Foundations of Digital Games Conference, 2020. PDF BibTex
Jean Michel A. Sarr, Georgios N. Yannakakis, Antonios Liapis, Alassane Bah and Christophe Cambier: "Djehuty: A Mixed-Initiative Handwriting Game for Preschoolers," in Proceedings of the Foundations of Digital Games Conference, 2020. PDF BibTex
Johannes Pfau, Antonios Liapis, Georg Volkmar, Georgios N. Yannakakis and Rainer Malaka: "Dungeons & Replicants: Automated Game Balancing via Deep Player Behavior Modeling," in Proceedings of the IEEE Conference on Games, 2020. [Nominated for Best Paper Award] PDF BibTex
Antonios Liapis, Daniele Gravina, Emil Kastbjerg and Georgios N. Yannakakis: "Modelling the Quality of Visual Creations in Iconoscope," in Proceedings of the 8th International Games and Learning Alliance Conference. Springer, 2019. PDF BibTex
Stamatia Savvani and Antonios Liapis: "A Participatory Approach to Redesigning Games for Educational Purposes," in Proceedings of the 8th International Games and Learning Alliance Conference. Springer 2019. PDF BibTex
Konstantinos Makantasis, Antonios Liapis and Georgios N. Yannakakis: "From Pixels to Affect: A Study on Games and Player Experience," in Proceedings of the International Conference on Affective Computing and Intelligent Interaction, 2019. PDF BibTex
David Melhart, Antonios Liapis and Georgios N. Yannakakis: "PAGAN: Video Affect Annotation Made Easy," in Proceedings of the International Conference on Affective Computing and Intelligent Interaction, 2019. PDF BibTex
Elizabeth Camilleri, Georgios N. Yannakakis, David Melhart and Antonios Liapis: "PyPLT: Python Preference Learning Toolbox," in Proceedings of the International Conference on Affective Computing and Intelligent Interaction, 2019. PDF BibTex
Daniele Gravina, Ahmed Khalifa, Antonios Liapis, Julian Togelius and Georgios N. Yannakakis: "Procedural Content Generation through Quality-Diversity," in Proceedings of the IEEE Conference on Games, 2019. PDF HTML BibTex
David Melhart, Ahmad Azadvar, Alessandro Canossa, Antonios Liapis and Georgios N. Yannakakis: "Your Gameplay Says It All: Modelling Motivation in Tom Clancy's The Division," in Proceedings of the IEEE Conference on Games, 2019. PDF BibTex
Antonios Liapis: "The Newborn World: Guiding Creativity in a Competitive Storytelling Game," in Proceedings of the IEEE Conference on Games, 2019. PDF BibTex
Antonios Liapis, Daniel Karavolos, Konstantinos Makantasis, Konstantinos Sfikas and Georgios N. Yannakakis: "Fusing Level and Ruleset Features for Multimodal Learning of Gameplay Outcomes," in Proceedings of the IEEE Conference on Games, 2019. PDF BibTex
Kalliopi Kontiza, Antonios Liapis and Joseph Padfield: "Capturing the Virtual Movement of Paintings: A Game and A Tool," in Proceedings of the Digital Heritage International Congress (DigitalHeritage), 2018. PDF BibTex
Michael Cerny Green, Gabriella A. B. Barros, Antonios Liapis and Julian Togelius: "DATA Agent," in Proceedings of the 13th Conference on the Foundations of Digital Games, 2018. PDF BibTex
Jichen Zhu, Antonios Liapis, Sebastian Risi, Rafael Bidarra and G. Michael Youngblood: "Explainable AI for Designers: A Human-Centered Perspective on Mixed-Initiative Co-Creation," in Proceedings of the IEEE Conference on Computational Intelligence and Games, 2018. PDF HTML BibTex
Daniel Karavolos, Antonios Liapis and Georgios N. Yannakakis: "Using a Surrogate Model of Gameplay for Automated Level Design," in Proceedings of the IEEE Conference on Computational Intelligence and Games, 2018. PDF BibTex
Gabriella A. B. Barros, Michael Cerny Green, Antonios Liapis and Julian Togelius: "Data-driven Design: A Case for Maximalist Game Design," in Proceedings of the International Conference of Computational Creativity, 2018. [Runner-up Best Student Paper Award] PDF HTML BibTex
Daniele Gravina, Antonios Liapis and Georgios N. Yannakakis: "Fusing Novelty and Surprise for Evolving Robot Morphologies," in Proceedings of the Genetic and Evolutionary Computation Conference, 2018. PDF BibTex
Antonios Liapis: "Piecemeal Evolution of a first Person Shooter Level," in Applications of Evolutionary Computation. Springer, 2018. PDF BibTex
Antonios Liapis: "Recomposing the Pokemon Color Palette," in Applications of Evolutionary Computation. Springer, 2018. PDF BibTex
Jakub Kowalski, Antonios Liapis and Lukasz Zarczynski: "Mapping Chess Aesthetics onto Procedurally Generated Chess-like Games," in Applications of Evolutionary Computation. Springer, 2018. PDF BibTex
Phil Lopes, Georgios N. Yannakakis and Antonios Liapis: "RankTrace: Relative and Unbounded Affect Annotation," In Proceedings of the International Conference on Affective Computing and Intelligent Interaction, 2017. PDF BibTex
Elizabeth Camilleri, Georgios N. Yannakakis and Antonios Liapis: "Towards General Models of Player Affect," In Proceedings of the International Conference on Affective Computing and Intelligent Interaction, 2017. PDF BibTex
Owen Sacco, Antonios Liapis and Georgios N. Yannakakis "Game Character Ontology (GCO): A Vocabulary for Extracting and Describing Game Character Information from Web Content," In Proceedings of the International Conference on Semantic Systems, 2017. PDF BibTex
Daniele Gravina, Antonios Liapis and Georgios N. Yannakakis: "Coupling Novelty and Surprise for Evolutionary Divergence," In Proceedings of the Genetic and Evolutionary Computation Conference, 2017. PDF BibTex
Antonios Liapis: "Multi-segment Evolution of Dungeon Game Levels," In Proceedings of the Genetic and Evolutionary Computation Conference, 2017. [Linked paper is adapted from the GECCO camera-ready for minor corrections] PDF BibTex
Catherine Emma Jones, Antonios Liapis, Ioanna Lykourentzou and Daniele Guido: "Board Game Prototyping to Co-Design a Better Location-Based Digital Game," In Proceedings of the CHI Conference Extended Abstracts on Human Factors in Computing Systems, 2017. PDF BibTex
Antonios Liapis: "Mixed-initiative Creative Drawing with webIconoscope," In Proceedings of the 6th International Conference on Computational Intelligence in Music, Sound, Art and Design (EvoMusArt), vol. 10198, LNCS. Springer, 2017. PDF BibTex
Owen Sacco, Antonios Liapis and Georgios N. Yannakakis: "A Holistic Approach for Semantic-Based Game Generation," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG). 2016. PDF HTML BibTex
Daniele Gravina, Antonios Liapis and Georgios N. Yannakakis: "Constrained Surprise Search for Content Generation," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG). 2016. PDF BibTex
Daniel Karavolos, Antonios Liapis and Georgios N. Yannakakis: "Evolving Missions to Create Game Spaces," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG). 2016. PDF BibTex
Georgios N. Yannakakis and Antonios Liapis: "Searching for Surprise," in Proceedings of the International Conference on Computational Creativity. 2016. PDF BibTex
Phil Lopes, Antonios Liapis and Georgios N. Yannakakis: "Framing Tension for Game Generation," in Proceedings of the International Conference on Computational Creativity. 2016. PDF BibTex
Gabriella A. B. Barros, Antonios Liapis and Julian Togelius: "Murder Mystery Generation from Open Data," in Proceedings of the International Conference on Computational Creativity. 2016. PDF BibTex
Chong-U Lim, Antonios Liapis and D. Fox Harrell: "Discovering Social and Aesthetic Categories of Avatars: A Bottom-Up Artificial Intelligence Approach Using Image Clustering," in Proceedings of the International Joint Conference of DiGRA and FDG. 2016. PDF BibTex
Gabriella A. B. Barros, Antonios Liapis and Julian Togelius: "Playing with Data: Procedural Generation of Adventures from Open Data," in Proceedings of the International Joint Conference of DiGRA and FDG. 2016. PDF BibTex
Daniele Gravina, Antonios Liapis and Georgios N. Yannakakis: "Surprise Search: Beyond Objectives and Novelty," in Proceedings of the Genetic and Evolutionary Computation Conference. ACM, 2016. PDF BibTex
Antonios Liapis: "Exploring the Visual Styles of Arcade Game Assets," in Proceedings of Evolutionary and Biologically Inspired Music, Sound, Art and Design (EvoMusArt). Springer, 2016. PDF BibTex
Phil Lopes, Antonios Liapis and Georgios N Yannakakis: "Targeting Horror via Level and Soundscape Generation," in Proceedings of the AAAI Artificial Intelligence for Interactive Digital Entertainment Conference, 2015. PDF BibTex
Antonios Liapis and Georgios N. Yannakakis: "Refining the Paradigm of Sketching in AI-Based Level Design," in Proceedings of the AAAI Artificial Intelligence for Interactive Digital Entertainment Conference, 2015. PDF BibTex
William Cachia, Antonios Liapis and Georgios N. Yannakakis: "Multi-Level Evolution of Shooter Levels," in Proceedings of the AAAI Artificial Intelligence for Interactive Digital Entertainment Conference, 2015. PDF BibTex
Antonios Liapis, Amy K. Hoover, Georgios N. Yannakakis, Constantine Alexopoulos and Evangelia V. Dimaraki: "Motivating Visual Interpretations in Iconoscope: Designing a Game for Fostering Creativity," in Proceedings of the 10th Conference on the Foundations of Digital Games, 2015. PDF BibTex
Antonios Liapis, Christoffer Holmgard, Georgios N. Yannakakis and Julian Togelius: "Procedural Personas as Critics for Dungeon Generation," in Applications of Evolutionary Computation, vol. 9028, LNCS. Springer, 2015. [Best Paper Award of the EvoGAMES track] PDF BibTex
Jinhong Zhang, Rasmus Taarnby, Antonios Liapis and Sebastian Risi: "DrawCompileEvolve: Sparking Interactive Evolutionary Art with Human Creations," in Evolutionary and Biologically Inspired Music, Sound, Art and Design (EvoMusArt), vol. 9027, LNCS. Springer, 2015. PDF BibTex
Amy K. Hoover, William Cachia, Antonios Liapis and Georgios N. Yannakakis: "AudioInSpace: Exploring the Creative Fusion of Generative Audio, Visuals and Gameplay," in Evolutionary and Biologically Inspired Music, Sound, Art and Design (EvoMusArt), vol. 9027, LNCS. Springer, 2015. PDF BibTex
Christoffer Holmgard, Antonios Liapis, Julian Togelius and Georgios N. Yannakakis: "Personas versus Clones for Player Decision Modeling," in Proceedings of the International Conference on Entertainment Computing (ICEC), 2014. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Designer Modeling for Sentient Sketchbook," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG), 2014. [Best Paper Award] PDF BibTex
Mike Preuss, Antonios Liapis and Julian Togelius: "Searching for Good and Diverse Game Levels," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG), 2014. [Nominated for Best Paper Award] PDF BibTex
Christoffer Holmgard, Antonios Liapis, Julian Togelius and Georgios N. Yannakakis: "Evolving Personas for Player Decision Modeling," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG), 2014. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Computational Game Creativity," in Proceedings of the fifth International Conference on Computational Creativity, 2014. PDF HTML BibTex
Georgios N. Yannakakis, Antonios Liapis and Constantine Alexopoulos: "Mixed-Initiative Co-Creativity," in Proceedings of the 9th Conference on the Foundations of Digital Games, 2014. PDF BibTex
Christoffer Holmgard, Antonios Liapis, Julian Togelius and Georgios N. Yannakakis: "Generative Agents for Player Decision Modeling in Games," in Poster Proceedings of the 9th Conference on the Foundations of Digital Games, 2014. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Towards a Generic Method of Evaluating Game Levels," in Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, 2013. [Best Student Paper Award] PDF BibTex
Antonios Liapis, Hector P. Martinez, Julian Togelius and Georgios N. Yannakakis: "Adaptive Game Level Creation through Rank-based Interactive Evolution," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG), 2013. [Nominated for Best Paper Award] PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Enhancements to Constrained Novelty Search: Two-Population Novelty Search for Generating Game Content," in Proceedings of the Genetic and Evolutionary Competition Conference, 2013, pp. 343-350. [Best Paper Award of the DETA/Self* track] PDF BibTex
Antonios Liapis, Hector P. Martinez, Julian Togelius and Georgios N. Yannakakis: "Transforming Exploratory Creativity with DeLeNoX," in Proceedings of the Fourth International Conference on Computational Creativity, 2013, pp. 56-63. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Sentient Sketchbook: Computer-Aided Game Level Authoring," in Proceedings of the 8th Conference on the Foundations of Digital Games, 2013, pp. 213-220. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Sentient World: Human-Based Procedural Cartography," in Proceedings of Evolutionary and Biologically Inspired Music, Sound, Art and Design (EvoMusArt), vol. 7834, LNCS. Springer, 2013, pp. 180-191. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Generating Map Sketches for Strategy Games," in Proceedings of Applications of Evolutionary Computation, vol. 7835, LNCS. Springer, 2013, pp. 264-273. [Linked paper is adapted from the Evo* camera-ready for minor corrections] PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Optimizing Visual Properties of Game Content through Neuroevolution," in Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, 2011. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Neuroevolutionary Constrained Optimization for Content Creation," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG), 2011, pp. 71-78. PDF BibTex
Nemanja Rasajski, Chintan Trivedi, Konstantinos Makantasis, Antonios Liapis, Georgios N. Yannakakis: "BehAVE: Behaviour Alignment of Video Game Encodings," in Proceedings of the ECCV Workshop on Computer Vision For Videogames, 2024. [Best Paper Award] PDF BibTex
Matthew Barthet, Roberto Gallotta, Ahmed Khalifa, Antonios Liapis, Georgios N. Yannakakis: "Affectively Framework: Towards Human-like Affect-Based Agents," in Proceedings of the International Conference on Affective Computing and Intelligent Interaction Workshops and Demos, 2024. PDF BibTex
Emmanouil Xylakis, Antonios Liapis, Georgios N. Yannakakis: "The Scream Stream: Multimodal Affect Analysis of Horror Game Spaces," in Proceedings of the International Conference on Affective Computing and Intelligent Interaction Workshops and Demos, 2024. PDF BibTex
Chintan Trivedi, Konstantinos Makantasis, Antonios Liapis, Georgios N. Yannakakis: "Towards General Game Representations: Decomposing Games Pixels into Content and Style," in Proceedings of the BMVC workshop on Computer Vision for Games and Games for Computer Vision, 2023. PDF BibTex
Matthew Barthet, Chintan Trivedi, Kosmas Pinitas, Emmanouil Xylakis, Konstantinos Makantasis, Antonios Liapis, Georgios N. Yannakakis: "Knowing Your Annotator: Rapidly Testing the Reliability of Affect Annotation," in Proceedings of the 11th International Conference on Affective Computing and Intelligent Interaction Workshops and Demos (ACIIW), 2023. PDF BibTex
Antonios Liapis, Christian Guckelsberger, Jichen Zhu, Casper Harteveld, Simone Kriglstein, Alena Denisova, Jeremy Gow and Mike Preuss: "Designing for Playfulness in Human-AI Authoring Tools," in Proceedings of the FDG workshop on Human-AI Interaction Through Play, 2023. PDF HTML BibTex
Konstantinos Makantasis, Kosmas Pinitas, Antonios Liapis and Georgios N. Yannakakis: "The Invariant Ground Truth of Affect," in Proceedings of the ACII Workshop on What's Next in Affect Modeling?, 2022. PDF BibTex
Konstantinos Sfikas, Antonios Liapis and Georgios N. Yannakakis: "A General-Purpose Expressive Algorithm for Room-based Environments," in Proceedings of the FDG workshop on Procedural Content Generation, 2022. PDF BibTex
Theodoros Galanos, Antonios Liapis and Georgios N. Yannakakis: "AffectGAN: Affect-Based Generative Art Driven by Semantics," in Proceedings of the ACII Workshop on What's Next in Affect Modeling?, 2021. PDF BibTex
Matthew Barthet, Antonios Liapis and Georgios N. Yannakakis: "Go-Blend Behavior and Affect," in Proceedings of the ACII Workshop on What's Next in Affect Modeling?, 2021. PDF BibTex
Cristiana Pacheco, David Melhart, Antonios Liapis, Georgios N. Yannakakis and Diego Perez-Liebana: "Discrete versus Ordinal Time-Continuous Believability Assessment," in Proceedings of the ACII Workshop on Multimodal Analyses enabling Artificial Agents in Human-Machine Interaction (MA3HMI), 2021. PDF BibTex
Antonios Liapis: "10 Years of the PCG workshop: Past and Future Trends," in Proceedings of the FDG Workshop on Procedural Content Generation, 2020. PDF BibTex
Matthew Guzdial, Devi Acharya, Max Kreminski, Michael Cook, Mirjam Eladhari, Antonios Liapis and Anne Sullivan: "Tabletop Roleplaying Games as Procedural Content Generators," in Proceedings of the FDG Workshop on Procedural Content Generation, 2020. PDF BibTex
Aris Kosmopoulos, Antonios Liapis, George Giannakopoulos and Nikiforos Pittaras: "Summarizing Game Reviews: First Contact," in Proceedings of the SETN workshop on Games and AI, 2020. PDF BibTex
Ioanna Lykourentzou, Antonios Liapis, Costas Papastathis, Konstantinos Papangelis and Costas Vassilakis: "Exploring Self-organisation in Crowd Teams," in Proceedings of the IE3 workshop on crowd-powered e-services, Springer, 2019. PDF BibTex
Michael Cerny Green, Ahmed Khalifa, Athoug Alsoughayer, Divyesh Surana, Antonios Liapis and Julian Togelius: "Two-step Constructive Approaches for Dungeon Generation," in Proceedings of the FDG Workshop on Procedural Content Generation, 2019. PDF BibTex
George Panagiotopoulos, George Giannakopoulos and Antonios Liapis: "A Study on Video Game Review Summarization," in Proceedings of the MultiLing Workshop: Summarization Across Languages, Genres and Sources, 2019. PDF BibTex
Daniel Karavolos, Antonios Liapis and Georgios N. Yannakakis: "Pairing Character Classes in a Deathmatch Shooter Game via a Deep-Learning Surrogate Model," in Proceedings of the FDG Workshop on Procedural Content Generation, 2018. PDF BibTex
David Melhart, Konstantinos Sfikas, Giorgos Giannakakis, Georgios N. Yannakakis and Antonios Liapis: "A Study on Affect Model Validity: Nominal vs Ordinal Labels," in Proceedings of the IJCAI workshop on AI and Affective Computing, 2018. PDF BibTex
Daniel Karavolos, Antonios Liapis and Georgios N. Yannakakis: "Learning the Patterns of Balance in a Multi-Player Shooter Game," In Proceedings of the FDG workshop on Procedural Content Generation in Games, 2017. PDF BibTex
Sebastian Deterding, Jonathan Hook, Rebecca fiebrink, Marco Gillies, Jeremy Gow, Memo Akten, Gillian Smith, Antonios Liapis and Kate Compton: "Mixed-Initiative Creative Interfaces," In Proceedings of the CHI Conference Extended Abstracts on Human Factors in Computing Systems, 2017. PDF BibTex
Antonios Liapis and Georgios N. Yannakakis: "Boosting Computational Creativity with Human Interaction in Mixed-Initiative Co-Creation Tasks," in Proceedings of the ICCC workshop on Computational Creativity and Games. 2016. PDF BibTex
Christoffer Holmgard, Antonios Liapis, Julian Togelius and Georgios N. Yannakakis: "Monte-Carlo Tree Search for Persona Based Player Modeling," in Proceedings of the AIIDE workshop on Player Modeling, 2015. PDF BibTex
Antonios Liapis: "Map Sketch Generation as a Service," in Proceedings of the AIIDE workshop on Experimental AI in Games, 2015. PDF BibTex
Phil Lopes, Antonios Liapis and Georgios N Yannakakis: "Sonancia: Sonification of Procedurally Generated Game Levels," in Proceedings of the ICCC workshop on Computational Creativity & Games, 2015. PDF BibTex
Ryan Abela, Antonios Liapis and Georgios N. Yannakakis: "A Constructive Approach for the Generation of Underwater Environments," in Proceedings of the FDG workshop on Procedural Content Generation in Games, 2015. PDF BibTex
Gabriella A. B. Barros, Antonios Liapis and Julian Togelius: "Data Adventures," in Proceedings of the FDG workshop on Procedural Content Generation in Games, 2015. PDF BibTex
Sebastian Risi, Jinhong Zhang, Rasmus Taarnby, Peter Greve, Jan Piskur, Antonios Liapis and Julian Togelius: "The Case for a Mixed-Initiative Collaborative Neuroevolution Approach," in Proceedings of the ALIFE workshop on Artificial Life and the Web, 2014. PDF BibTex
Julian Togelius, Mark J. Nelson and Antonios Liapis: "Characteristics of Generatable Games," in Proceedings of the FDG Workshop on Procedural Content Generation, 2014. PDF BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Designer Modeling for Personalized Game Content Creation Tools," in Proceedings of the AIIDE Workshop on Artificial Intelligence & Game Aesthetics, 2013. PDF HTML BibTex
Antonios Liapis, Georgios N. Yannakakis and Julian Togelius: "Limitations of Choice-Based Interactive Evolution for Game Level Design," in Proceedings of the AIIDE Workshop on Human Computation in Digital Entertainment, 2012. PDF BibTex
Roberto Gallotta, Antonios Liapis, Georgios N. Yannakakis: "LLMaker: A Game Level Design Interface Using (Only) Natural Language," in Proceedings of the IEEE Conference on Games, 2024. PDF BibTex
Marvin Zammit, Antonios Liapis, Georgios N. Yannakakis: "CrawLLM: Theming Games with Large Language Models," in Proceedings of the IEEE Conference on Games, 2024. PDF BibTex
Roberto Gallotta, Antonios Liapis, Georgios N. Yannakakis: "Dynamic Quality-Diversity Search," in Proceedings of the Genetic and Evolutionary Computation Conference Companion, 2024. PDF BibTex
Konstantinos Sfikas, Antonios Liapis and Georgios N. Yannakakis: "Controllable Exploration of a Design Space via Interactive Quality Diversity," in Proceedings of the Genetic and Evolutionary Computation Conference Companion, 2023. PDF BibTex
Theodoros Galanos, Antonios Liapis, Georgios N. Yannakakis and Reinhard Koenig: "ARCH-Elites: Quality-Diversity for Urban Design," in Proceedings of the Genetic and Evolutionary Computation Conference, 2021. PDF BibTex
Daniele Gravina, Antonios Liapis and Georgios N. Yannakakis: "Blending Notions of Diversity for MAP-Elites," in Proceedings of the Genetic and Evolutionary Computation Conference, 2019. PDF BibTex
Daniele Gravina, Antonios Liapis and Georgios N. Yannakakis: "Exploring Divergence in Soft Robot Evolution," In Proceedings of the Genetic and Evolutionary Computation Conference, 2017. PDF BibTex
Phil Lopes, Antonios Liapis and Georgios N. Yannakakis: "Sonancia: a Multi-Faceted Generator for Horror," in Proceedings of the IEEE Conference on Computational Intelligence and Games (CIG). 2016. PDF BibTex
Christoffer Holmgard, Antonios Liapis, Julian Togelius and Georgios N. Yannakakis: "MiniDungeons 2: An Experimental Game for Capturing and Modeling Player Decisions," in Proceedings of the 10th Conference on the Foundations of Digital Games. 2015. PDF BibTex
Antonios Liapis: "Deciphering Generated Symbols as a Game Mechanic: The Design of Alien Transmission," in Seeds: The Procjam Zine 3. 2018. HTML BibTex