Query Language Constructs for Provenance. Murali Mani, Mohamad Alawa , Arunlal Kalyanasundaram University of Michigan, Flint Presented at IDEAS 2011. Provenance Metadata. Data about origins of data Applications: Check whether data item is valid – in health records
Murali Mani, MohamadAlawa, ArunlalKalyanasundaram
University of Michigan, Flint
Presented at IDEAS 2011.
A1, A2 are artifacts
P = a process that is performing division (A1/A2) – note the used edges between P and A1, A2
A3, A4 are artifacts generated by P (representing quotient, remainder) – note the wasGeneratedBy edges between P and A3, A4
Example taken from http://openprovenance.org/tutorial/