Fabio Simeoni, David Lievens. Matchmaking for covariant hierarchies. In Eric Wohlstadter, Daniel Lohmann, Chris Matthews, editors, ACP4IS@AOSD 2009: Proceedings of the 8th workshop on Aspects, components, and patterns for infrastructure software, Charlottesville, Virginia, USA, 2 March 2009. pages 13-18, ACM, 2009. [doi]
Abstract is missing.