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ICDT
2012
ACM
226views Database» more  ICDT 2012»
11 years 9 months ago
Factorised representations of query results: size bounds and readability
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
Dan Olteanu, Jakub Zavodny
CORR
2011
Springer
135views Education» more  CORR 2011»
12 years 10 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
SIGMOD
2010
ACM
167views Database» more  SIGMOD 2010»
13 years 7 months ago
Efficient querying and maintenance of network provenance at internet-scale
Network accountability, forensic analysis, and failure diagnosis are becoming increasingly important for network management and security. Such capabilities often utilize network p...
Wenchao Zhou, Micah Sherr, Tao Tao, Xiaozhou Li, B...
VLDB
2007
ACM
99views Database» more  VLDB 2007»
14 years 7 months ago
Zoom*UserViews: Querying Relevant Provenance in Workflow Systems
In this demonstration, we present the ZOOM*UserView system, and focus on the module which generates a "user view" based on what tasks the user perceives to be relevant i...
Olivier Biton, Sarah Cohen Boulakia, Susan B. Davi...
ICDE
2009
IEEE
102views Database» more  ICDE 2009»
14 years 1 months ago
On the Efficiency of Provenance Queries
Anastasios Kementsietsidis, Min Wang