Petri Net + Nested Relational Calculus = Dataflow. - Jan Hidders; Natalia Kwasnikowska; Jacek Sroka; Jerzy Tyszkiewicz; Jan Van den Bussche (OTM Conferences (1), 2005)

Modeling and Storing Scientific Protocols. - Natalia Kwasnikowska; Yi Chen 001; Zoé Lacroix (OTM Workshops (1), 2006)

A Formal Model of Dataflow Repositories. - Jan Hidders; Natalia Kwasnikowska; Jacek Sroka; Jerzy Tyszkiewicz; Jan Van den Bussche (DILS, 2007)

Mapping the NRC Dataflow Model to the Open Provenance Model. - Natalia Kwasnikowska; Jan Van den Bussche (IPAW, 2008)

DFL: A dataflow language based on Petri nets and nested relational calculus. - Jan Hidders; Natalia Kwasnikowska; Jacek Sroka; Jerzy Tyszkiewicz; Jan Van den Bussche (Inf. Syst., 2008)

A Graph Model of Data and Workflow Provenance. - Umut A. Acar; Peter Buneman; James Cheney; Jan Van den Bussche; Natalia Kwasnikowska; Stijn Vansummeren (TaPP, 2010)

The Open Provenance Model core specification (v1.1). - Luc Moreau 001; Ben Clifford; Juliana Freire; Joe Futrelle; Yolanda Gil; Paul Groth; Natalia Kwasnikowska; Simon Miles; Paolo Missier; Jim Myers; Beth Plale; Yogesh Simmhan; et al. (Future Gener. Comput. Syst., 2011)

Dataflows and Provenance: From Nested Relational Calculus to the Open Provenance Model - Natalia Kwasnikowska (2011)

Querying an Integrated Complex-Object Dataflow Database. - Natalia Kwasnikowska; Jan Van den Bussche (In Search of Elegance in the Theory and Practice of Computation, 2013)

A Formal Account of the Open Provenance Model. - Natalia Kwasnikowska; Luc Moreau 001; Jan Van den Bussche (ACM Trans. Web, 2015)