Vasudha Krishnaswamy

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LIMITED DISTRIBUTION NOTICE: The research presented in this report may be submitted as a whole or in parts for publication and will probably be copyrighted if accepted for publication. It has been issued as a Technical Report for early dissemination of its contents. In view of the transfer of copyright to the outside publisher, its distribution outside of(More)
LIMITED DISTRIBUTION NOTICE: The research presented in this report may be submitted as a whole or in parts for publication and will probably be copyrighted if accepted for publication. It has been issued as a Technical Report for early dissemination of its contents. In view of the transfer of copyright to the outside publisher, its distribution outside of(More)
Provenance for transactional updates is critical for many applications such as auditing and debugging of transactions. Recently, we have introduced MV-semirings, an extension of the semiring provenance model that supports updates and transactions. Furthermore, we have proposed reenactment, a declarative form of replay with provenance capture, as an(More)
Data preparation, curation, and analysis tasks are often exploratory in nature, with analysts incrementally designing workflows that transform, validate, and visualize their input sources. This requires frequent adjustments to data and workflows. Unfortunately, in current data management systems, even small changes can require time-and resource-heavy(More)
Since its inception, the PROV standard has been widely adopted as a standardized exchange format for provenance information. Surprisingly , this standard is currently not supported by provenance-aware database systems limiting their interoperability with other provenance-aware systems. In this work we introduce techniques for exporting database provenance(More)
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