What is "Gaston"? Gaston is a unified GrAph, Sequences and Tree extractiON algorithm. Given a database of graphs, GASTON searches for all frequent subgraphs of that database. News June 8, 2005: GASTON was presented at the 7th ICCS conference by Jeroen Kazius. More information can be found here. May 7, 2005: A new update of GASTON is available at the download page. How does Gaston work? Gaston find