R Smelik, K Galka, KJ de Kraker, F Kuijper, R. Bidarra (2011), Semantic constraints for procedural generation of virtual worlds, J Dormans et al (Eds.), In PCGames 2011 p.1-4, Association for Computing Machinery (ACM).

R Lopes, T Tutenel, RM Smelik, KJ de Kraker, Rafael Bidarra (2010), A constrained growth method for procedural floor plan generation, A Ayesh (Eds.), In Proceedings of GAMEON 2010 p.13-20, Eurosis-ETI.

Tim Tutenel, R.M. Smelik, Rafael Bidarra, Klaas Jan de Kraker (2010), A semantic scene description language for procedural layout solving problems, G Christian, M Youngblood (Eds.), In Proceedings of AIIDE 2010- 6th Conference on Artificial Intelligence and Interactive Digital Entertainment p.95-100, AIIDE.

Casper Harteveld, Rui Guimaraes, Igor S. Mayer, Rafael Bidarra (2010), Balancing play, meaning and reality: the design philosophy of LEVEE PATROLLER, In Simulation & Gaming: an international journal of theory, design and research Volume 41 p.316-340.

RM Smelik, T Tutenel, KJ de Kraker, Rafael Bidarra (2010), Declarative terrain modeling for military training games, In International Journal of Computer Games Technology Volume 41 p.316-340.

R. Bidarra, R Schaap, KGW Goossens (2010), Growing on the inside: soulful characters for video games, s.n. (Eds.), In Proceedings of IEEE Conference on Computational Intelligence and Games p.337-344, IEEE Society.

RM Smelik, T Tutenel, KJ de Kraker, Rafael Bidarra (2010), Integrating procedural generation and manual editing of virtual words, I Bogost (Eds.), In Proceedings of PCGames 2010-Workshop on Procedural Content Generation for Games p.8-16, Association for Computing Machinery (ACM).

Rafael Bidarra, KJ de Kraker, RM Smelik, T Tutenel (2010), Integrating semantics and procedural generation: key enabling factors for declarative modeling of virtual worlds, C Catalano et al (Eds.), In Proceedings of FOCUS K3D Conference on Semantic 3D Media and Content 2010 p.51-55, FOCUS.

RM Smelik, T. Tutenel, K.J. de Kraker, Rafael Bidarra (2010), Interactive creation of virtual words using procedural sketching, HPA Lensch, S Seipel (Eds.), In Proceedings of EUROGRAPHICS 2010 p.29-32, EUROGRAPHICS Digital Library.

R Huijser, J Dobbe, WF Bronsvoort, Rafael Bidarra (2010), Procedural natural systems for game level design, RL Scaranto Dazzi et al (Eds.), In Proceedings of SBGames 2010 p.177-186, Sociedade Brasileira de Computacao.