Obligation Policies: An Enforcement Platform. - Pedro Gama; Paulo Ferreira 001 (POLICY, 2005)

Heimdhal: A History-Based Policy Engine for Grids. - Pedro Gama; Carlos Ribeiro; Paulo Ferreira 001 (CCGRID, 2006)

A Scalable History-Based Policy Engine. - Pedro Gama; Carlos Ribeiro; Paulo Ferreira 001 (POLICY, 2006)

Simplifying Large-Volume Data Sharing in Distributed Environments. - Pedro Gama (IEEE Distributed Syst. Online, 2006)

Stop Reinventing the Wheel. - Pedro Gama (IEEE Distributed Syst. Online, 2007)