• A Graph-Based Recommender for Enhancing the Assortment of Web Shops 

      Riesen, Kaspar; Witschel, Hans Friedrich; Galie, E. (2015)
      In this work, we consider a situation where multiple Providers (competitors) serve a common market, using a common infrastructure of sales channels. More speci cally, we focus on multiple web shops that are run by the same ...