Electronic Notes in Theoretical Computer ScienceVolume 238, Issue 2, 26 June 2009, Page 1PrefaceAuthor links open overlay panelZoltán Porkoláb, Norbert PatakiShow moreShareCitehttps://doi.org/10.1016/j.entcs.2009.05.001Get rights and contentUnder a Creative Commons licenseopen accessPrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 2009 Elsevier B.V.