The 6th edition of DA2PL (From Multiple Criteria Decision Aid to Preference Learning) will be held at the Université libre de Bruxelles, Belgium on April 16-17, 2026 and organized by Yves De Smet, Marc Pirlot, Gilles Dejaegere, Vinciane De Wilde, Alexandre Flachs, François Verschuren, and Boris Coquelet. The workshop provides a forum for researchers from decision analysis and machine learning to discuss recent advances in the intersection of both fields and to identify new research challenges. Submissions are expected by Feb 20, 2026 Feb 28, 2026. Please consult the DA2PL 2026 website for more information.