A new approach for WS-Policy Intersection using Partial Ordered Sets. - Abeer Elsafie; Christian Mainka; Jörg Schwenk (ZEUS, 2013)

Semi-automated Fuzzy MCDM and Lattice Solutions for WS-Policy Intersection. - Abeer Elsafie; Jörg Schwenk (SERVICES, 2015)

Evaluating Two Methods for WS-(Security) Policy Negotiation and Decision Making. - Abeer Elsafie; Jörg Schwenk (OTM Conferences, 2016)