• Article  

      A distributed middleware infrastructure for personalized services 

      Dikaiakos, Marios D.; Zeinalipour-Yazdi, Constantinos D. (2004)
      In this paper, we present an overview of extensible Retrieval, Annotation and Caching Engine (eRACE), a modular and distributed intermediary infrastructure that collects information from heterogeneous Internet sources ...
    • Article  

      Intermediaries as quality assessors: Tour operators in the travel industry 

      Clerides, Sofronis; Nearchou, Paris; Pashardes, Panos (2008)
      Intermediaries often arise in order to facilitate trade in markets characterized by asymmetric information. In the travel industry, policymakers have tried to address information asymmetries by providing hotel ratings. We ...