Towards Usable and Interoperable Workflow Provenance: Empirical Case Studies Using PML

In this paper, we describe how a semantic web based provenance Interlingua called the Proof Markup Language (PML) has been used to encode workflow provenance in a variety of diverse application areas. We highlight some usability and interoperability challenges that arose in the application areas and show how PML was used in the solutions.

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Associated Projects

The Inference Web is a Semantic Web based knowledge provenance infrastructure that supports interoperable explanations of sources, assumptions, learned information, and answers as an enabler for trust.

The goal of this project is to develop at the RPI Tetherless World Constellation, based within the NCAR High Altitude Observatory and in collaboration with the University of Texas at El Paso, the University of Michigan and McGuinness Associates a semantically-enabled data ingest capability. The project is entitled: Semantic Provenance Capture in Data Ingest Systems (SPCDIS). Initially, we will limit our focus to a set of solar coronal physics instruments, but over time, we will target the broader area of solar and solar-terrestrial physics.

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