Parametric Graph for Unimodal Ranking Bandit

    Camille-Sovanneary Gauthier * 1 2 Romaric Gaudel * 3 Elisa Fromont 4 5 2 Boammani Aser Lompo 6

             Abstract                 user attention. Typical examples of such displays are (i) a
                                 list of news, visible one by one by scrolling; (ii) a list of
   We tackle the online ranking problem of assigning
                                 products, arranged by rows; or (iii) advertisements spread
   L items to K  ...