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POPL
2005
ACM
16 years 6 months ago
Automated soundness proofs for dataflow analyses and transformations via local rules
We present Rhodium, a new language for writing compiler optimizations that can be automatically proved sound. Unlike our previous work on Cobalt, Rhodium expresses optimizations u...
Sorin Lerner, Todd D. Millstein, Erika Rice, Craig...
CADE
2007
Springer
16 years 6 months ago
Labelled Clauses
We add labels to first-order clauses to simultaneously apply superpositions to several proof obligations inside one clause set. From a theoretical perspective, the approach unifies...
Tal Lev-Ami, Christoph Weidenbach, Thomas W. Reps,...
VLDB
2007
ACM
146views Database» more  VLDB 2007»
16 years 6 months ago
A Cost-Estimation Component for Statement Sequences
Query generators producing sequences of SQL statements are embedded in many applications. As the execution time of such sequences is often far from optimal, their optimization is ...
Tobias Kraft
VLDB
2007
ACM
225views Database» more  VLDB 2007»
16 years 6 months ago
An Approach to Optimize Data Processing in Business Processes
In order to optimize their revenues and profits, an increasing number of businesses organize their business activities in terms of business processes. Typically, they automate imp...
Marko Vrhovnik, Holger Schwarz, Oliver Suhre, Bern...
VLDB
2007
ACM
108views Database» more  VLDB 2007»
16 years 6 months ago
Update Exchange with Mappings and Provenance
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
Todd J. Green, Grigoris Karvounarakis, Zachary G. ...