Simon Miles Paul T. Groth Steve Munroe Sheng Jiang Thibaut Assandri Luc Moreau Extracting causal graphs from an open provenance data model. 577-586 2008 20 Concurrency and Computation: Practice and Experience 5 http://dx.doi.org/10.1002/cpe.1236 db/journals/concurrency/concurrency20.html#MilesGMJAM08