A Framework for Web Services Security Policy Negotiation. - Tristan Lavarack; Marijke Coetzee (ISSA, 2009)

A Web Services security policy assistant. - Tristan Lavarack; Marijke Coetzee (ICITST, 2010)

Considering web services security policy compatibility. - Tristan Lavarack; Marijke Coetzee (ISSA, 2010)

Web Services Security Policy Assertion Trade-offs. - Tristan Lavarack; Marijke Coetzee (ARES, 2011)