Towards Secured and Interoperable Business Services. - Alida Esper; Layth Sliman; Youakim Badr; Frédérique Biennier (IESA, 2008)

Hypergraph of Services for Business Interconnectivity and Collaboration. - Alida Esper; Youakim Badr; Frédérique Biennier (APMS, 2009)