Service level agreements: an ontological approach. - Les Green (ICEC, 2006)

Secure Billing for Ubiquitous Service Delivery. - Les Green; Linas Maknavicius (ICQT, 2006)

Automated SLA Negotiation for Wireless Ubiquity - A Secure Approach. - Les Green (WINSYS, 2006)

Design of a dynamic SLA negotiation protocol for grids. - Les Green; Vinod Mirchandani; Igor Cergol; Dominique Verchère (GridNets, 2007)