Abstract:Data provenance, or data lineage, describes the life cycle of data. In scientific workflows on HPC systems, scientists often seek diverse provenance (e.g., origins of data products, usage patterns of datasets). Unfortunately, existing provenance solutions cannot address the challenges due to their incompatible provenance models and/or system implementations.In this paper, we analyze three representative scientific workflows in collaboration with the domain scientists to identify concrete provenance needs. Base… Show more
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