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» Querying data provenance
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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. ...
PODS
2007
ACM
131views Database» more  PODS 2007»
14 years 6 months ago
Provenance semirings
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
Todd J. Green, Gregory Karvounarakis, Val Tannen
MOBISYS
2007
ACM
14 years 6 months ago
A time-and-value centric provenance model and architecture for medical event streams
Provenance becomes a critical requirement for healthcare IT infrastructures, especially when pervasive biomedical sensors act as a source of raw medical streams for large-scale, a...
Min Wang, Marion Blount, John Davis, Archan Misra,...
ICDE
2009
IEEE
173views Database» more  ICDE 2009»
14 years 8 months ago
Differencing Provenance in Scientific Workflows
Abstract-- Scientific workflow management systems are increaingly providing the ability to manage and query the provenance of data products. However, the problem of differencing th...
Zhuowei Bao, Sarah Cohen Boulakia, Susan B. Davids...
CONCURRENCY
2008
127views more  CONCURRENCY 2008»
13 years 6 months ago
gLite Job Provenance - a job-centric view
ct Job Provenance (JP) is a Grid service that keeps long-term trace on completed computations for further reference. It is a job-centric service, keeping records about job life cyc...
Ales Krenek, Jirí Sitera, Ludek Matyska, Fr...