29 citations · 97 across the 22 of their papers we have counts for
3 papers · 2 filters
Putting Lipstick on Pig: Enabling Database-style Workflow Provenance
Yael Amsterdamer, Susan B. Davidson, Daniel Deutch +3
Workflow provenance typically assumes that each module is a "black-box", so that each output depends on all inputs (coarse-grained dependencies). Furthermore, it does not model the…
On the Limitations of Provenance for Queries With Difference
Yael Amsterdamer, Daniel Deutch, Val Tannen
The annotation of the results of database transformations was shown to be very effective for various applications. Until recently, most works in this context focused on positive qu…
Provenance for Aggregate Queries
Yael Amsterdamer, Daniel Deutch, Val Tannen
We study in this paper provenance information for queries with aggregation. Provenance information was studied in the context of various query languages that do not allow for aggre…