Incorporating Provenance in Database Systems

Incorporating Provenance in Database Systems

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The importance of maintaining provenance has been widely recognized, particularly with respect to highly-manipulated data. Currently there are two approaches: provenance generated within workflow frameworks, and provenance within a contained relational database. The workflow provenance allows workflow re-execution, and can offer some explanation of results. Within relational databases, knowledge of SQL queries and relational operators is used to express what happened to a tuple.of users, in the rough order in which they were asked. As each user asked a question, they were presented with three alternative answers: the answer given by process provenance, lineage and provenance answers. For the processanbsp;...

Title:Incorporating Provenance in Database Systems
Author: Adriane P. Chapman
Publisher:ProQuest - 2008

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