Workshop on Logic, Language, Information and Computation (WoLLIC 2016). Edited by Jouko Väänänen and Ruy de Queiroz. Volume 170, Issue 9, Pages 921-1150 (September 2019), Elsevier. Mathematical Structures in Computer Science, 22nd Workshop on Logic, Language, Information and Computation (WoLLIC 2015). Edited by Valeria de Paiva and Ruy de Queiroz. Volume 29, Issue 6, June 2019, Cambridge University Press. Information and Computation, 21st Workshop on Logic, Language, Information and Computation (WoLLIC 2014). Edited by Ulrich Kohlenbach, Pablo Barcelò and Ruy de Queiroz. Volume 255, Part 2, Pages 193–334 (August 2017). Journal of Computer and System Sciences, 20th Workshop on Logic, Language, Information and Computation (WoLLIC 2013). Edited by Leonid Libkin, Ulrich Kohlenbach and Ruy de Queiroz. Volume 88, Pages 1–290 (September 2017). Theoretical Computer Science, Logic, Language, Information and Computation, 19th Workshop on Logic, Language, Information and Computation. Buenos Aires, Argentina. 3–6 September 2012. Edited by Luke Ong and Ruy de Queiroz. Volume 603, Pages 1–146 (25 October 2015). Journal of Computer and System Sciences, 18th Workshop on Logic, Language, Information and Computation (WoLLIC 2011). Edited by Lev Beklemishev, Ruy de Queiroz and Andre Scedrov. Volume 80, Issue 6, Pages 1037-1174 (September 2014). Journal of Computer and System Sciences, 17th Workshop on Logic, Language, Information and Computation (WoLLIC 2010). Edited by Anuj Dawar and Ruy de Queiroz. Volume 80, Issue 2, Pages 321-498 (March 2014). Fundamenta Informaticae, Logic, Language, Information and Computation. Edited by Hiroakira Ono, Makoto Kanazawa and Ruy de Queiroz. Volume 106, Numbers 2-4, Pages 119-338, September 2011. Journal of Computer and System Sciences, Workshop on Logic, Language, Information and Computation (WoLLIC 2008). Edited by Wilfrid Hodges and Ruy de Queiroz. Volume 76, Issue 5, Pages 281-388 (August 2010). Information and Computation, Special issue: 14th Workshop on Logic, Language, Information and Computation (WoLLIC 2007). Edited by Daniel Leivant and Ruy de Queiroz. Volume 208, Issue 5, Pages 395-604, (May 2010). Information and Computation, Special issue: 13th Workshop on Logic, Language, Information and Computation (WoLLIC 2006). Edited by Grigori Mints, Valeria de Paiva and Ruy de Queiroz. Volume 207, Issue 10, Pages 969-1094, (October 2009). Annals of Pure and Applied Logic, 12th Workshop on Logic, Language, Information and Computation. Florianópolis, Santa Catarina, Brazil. 19–22 July 2005. Edited by R. de Queiroz and A. Macintyre. Volume 152, Issues 1-3, Pages 1–180 (March 2008). Theoretical Computer Science, Logic, Language, Information and Computation, 11th Workshop on Logic, Language, Information and Computation. Paris,