The ?rst edition of the International Colloquium on Grammatical Inference (ICGI) was held in Essex (United Kingdom) in 1993. After the success of this meeting there have been eight more editions that have been hosted by di- rent academic institutions across the world: Alicante (Spain, 1994), Montpellier (France, 1996), Ames, Iowa (USA, 1998), Lisbon (Portugal, 2000), Amsterdam (TheNetherlands,2002), Athens(Greece,2004), Tokyo(Japan,2006)andSaint- Malo (France, 2008). ICGI 2010 was held in Valencia (Spain) during September 13 16. It was organized by the Research Group on Formal Language...