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ICDE
2009
IEEE
173views Database» more  ICDE 2009»
14 years 11 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...
VLDB
2007
ACM
108views Database» more  VLDB 2007»
14 years 10 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. ...
CONCURRENCY
2008
142views more  CONCURRENCY 2008»
13 years 10 months ago
Provenance trails in the Wings/Pegasus system
Our research focuses on creating and executing large-scale scientific workflows that often involve thousands of computations over distributed, shared resources. We describe an app...
Jihie Kim, Ewa Deelman, Yolanda Gil, Gaurang Mehta...
SIGMOD
2010
ACM
281views Database» more  SIGMOD 2010»
14 years 2 months ago
Continuous sampling for online aggregation over multiple queries
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
Sai Wu, Beng Chin Ooi, Kian-Lee Tan
USENIX
2007
14 years 5 days ago
Using Provenance to Aid in Personal File Search
As the scope of personal data grows, it becomes increasingly difficult to find what we need when we need it. Desktop search tools provide a potential answer, but most existing too...
Sam Shah, Craig A. N. Soules, Gregory R. Ganger, B...