Natalia Kwasnikowska Jan Van den Bussche Mapping the NRC Dataflow Model to the Open Provenance Model. 3-16 2008 IPAW http://dx.doi.org/10.1007/978-3-540-89965-5_3 conf/ipaw/2008 db/conf/ipaw/ipaw2008.html#KwasnikowskaB08