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» A framework for testing query transformation rules
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GPCE
2009
Springer
13 years 9 months ago
A language and framework for invariant-driven transformations
This paper describes a language and framework that allow coordinated transformations driven by invariants to be specified declaratively, as invariant rules, and applied automatic...
Yanhong A. Liu, Michael Gorbovitski, Scott D. Stol...
DBPL
1995
Springer
144views Database» more  DBPL 1995»
13 years 8 months ago
An Algebraic Framework for Physical OODB Design
Physical design for object-oriented databases is still in its infancy. Implementation decisions often intrude into the conceptual design (such as inverse links and object decompos...
Leonidas Fegaras, David Maier
AIPS
1998
13 years 6 months ago
Flexible and Scalable Query Planning in Distributed and Heterogeneous Environments
We present the application of the Planning by Rewriting PbR framework to query planning in distributed and heterogeneous environments. PbR is a new paradigm for e cient high-quali...
José Luis Ambite, Craig A. Knoblock
ADBIS
2009
Springer
151views Database» more  ADBIS 2009»
13 years 11 months ago
Rule-Based Management of Schema Changes at ETL Sources
In this paper, we visit the problem of the management of inconsistencies emerging on ETL processes as results of evolution operations g at their sources. We abstract Extract-Transf...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
VLDB
1997
ACM
97views Database» more  VLDB 1997»
13 years 9 months ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...