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SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
14 years 7 months ago
Efficient provenance storage
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...
Adriane Chapman, H. V. Jagadish, Prakash Ramanan
SIGMOD
2009
ACM
139views Database» more  SIGMOD 2009»
14 years 7 months ago
Detecting and resolving unsound workflow views for correct provenance analysis
views abstract groups of tasks in a workflow into high level composite tasks, in order to reuse sub-workflows and facilitate provenance analysis. However, unless a view is careful...
Peng Sun, Ziyang Liu, Susan B. Davidson, Yi Chen
VLDB
2007
ACM
108views Database» more  VLDB 2007»
14 years 7 months ago
Update Exchange with Mappings and Provenance
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
Todd J. Green, Grigoris Karvounarakis, Zachary G. ...
CORR
2008
Springer
123views Education» more  CORR 2008»
13 years 7 months ago
Provenance Traces
Provenance is information about the origin, derivation, ownership, or history of an object. It has recently been studied extensively in scientific databases and other settings due...
James Cheney, Umut A. Acar, Amal Ahmed
CORR
2011
Springer
135views Education» more  CORR 2011»
12 years 11 months ago
On the Limitations of Provenance for Queries With Difference
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 q...
Yael Amsterdamer, Daniel Deutch, Val Tannen