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ICDE
2009
IEEE
160views Database» more  ICDE 2009»
15 years 4 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
ICDT
2009
ACM
198views Database» more  ICDT 2009»
16 years 7 months ago
Consistent query answering under primary keys: a characterization of tractable queries
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
Jef Wijsen
SIGMOD
2008
ACM
131views Database» more  SIGMOD 2008»
16 years 7 months ago
Orion 2.0: native support for uncertain data
Orion is a state-of-the-art uncertain database management system with built-in support for probabilistic data as first class data types. In contrast to other uncertain databases, ...
Sarvjeet Singh, Chris Mayfield, Sagar Mittal, Suni...
SIGMOD
2006
ACM
150views Database» more  SIGMOD 2006»
16 years 7 months ago
Automatic physical design tuning: workload as a sequence
The area of automatic selection of physical database design to optimize the performance of a relational database system based on a workload of SQL queries and updates has gained p...
Sanjay Agrawal, Eric Chu, Vivek R. Narasayya
VLDB
2005
ACM
74views Database» more  VLDB 2005»
16 years 8 days ago
Designing Information-Preserving Mapping Schemes for XML
An XML-to-relational mapping scheme consists of a procedure for shredding XML documents into relational databases, a procedure for publishing databases back as documents, and a se...
Denilson Barbosa, Juliana Freire, Alberto O. Mende...