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CORR
2011
Springer
160views Education» more  CORR 2011»
9 years 6 months ago
Provenance for Aggregate Queries
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 aggr...
Yael Amsterdamer, Daniel Deutch, Val Tannen
IPAW
2010
9 years 9 months ago
Towards a Threat Model for Provenance in e-Science
Abstract. Scientists increasingly rely on workflow management systems to perform large-scale computational scientific experiments. These systems often collect provenance informatio...
Luiz M. R. Gadelha Jr., Marta Mattoso, Michael Wil...
ICDE
2009
IEEE
160views Database» more  ICDE 2009»
9 years 9 months ago
Perm: Processing Provenance and Data on the Same Data Model through Query Rewriting
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
Boris Glavic, Gustavo Alonso
FAST
2009
9 years 9 months ago
On Explicit Provenance Management in RDF/S Graphs
The notion of RDF Named Graphs has been proposed in order to assign provenance information to data described using RDF triples. In this paper, we argue that named graphs alone can...
Panagiotis Pediaditis, Giorgos Flouris, Irini Fund...
FAST
2009
9 years 9 months ago
Towards Semantics for Provenance Security
Provenance records the history of data. Careless use of provenance may violate the security policies of data. Moreover, the provenance itself may be sensitive information, necessi...
Stephen Chong
IPAW
2010
9 years 9 months ago
Publishing and Consuming Provenance Metadata on the Web of Linked Data
The World Wide Web evolves into a Web of Data, a huge, globally distributed dataspace that contains a rich body of machineprocessable information from a virtually unbound set of pr...
Olaf Hartig, Jun Zhao
DEBU
2007
141views more  DEBU 2007»
9 years 11 months ago
Issues in Building Practical Provenance Systems
The importance of maintaining provenance has been widely recognized, particularly with respect to highly-manipulated data. However, there are few deployed databases that provide p...
Adriane Chapman, H. V. Jagadish
CCGRID
2006
IEEE
10 years 3 months ago
Evaluating Provenance-based Trust for Scientific Workflows
Provenance is the documentation concerning the origin of a result generated by a process, and provides explanations about who, how, what resources were used in a process, and the ...
Shrija Rajbhandari, Ian Wootten, Ali Shaikh Ali, O...
SSDBM
2010
IEEE
166views Database» more  SSDBM 2010»
10 years 4 months ago
Bridging Workflow and Data Provenance Using Strong Links
Abstract. As scientists continue to migrate their work to computational methods, it is important to track not only the steps involved in the computation but also the data consumed ...
David Koop, Emanuele Santos, Bela Bauer, Matthias ...
SEMWEB
2009
Springer
10 years 4 months ago
Using Web Data Provenance for Quality Assessment
—The Web of Data cannot be a trustworthy data source unless an approach for evaluating the quality of data on the Web is established and integrated as part of the data publicatio...
Olaf Hartig, Jun Zhao
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