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ICFP
2009
ACM
14 years 8 months ago
Identifying query incompatibilities with evolving XML schemas
During the life cycle of an XML application, both schemas and queries may change from one version to another. Schema evolutions may affect query results and potentially the validi...
Nabil Layaïda, Pierre Genevès, Vincent...
SIGMOD
2008
ACM
120views Database» more  SIGMOD 2008»
14 years 8 months ago
Muse: a system for understanding and designing mappings
Schema mappings are logical assertions that specify the relationships between a source and a target schema in a declarative way. The specification of such mappings is a fundamenta...
Bogdan Alexe, Laura Chiticariu, Renée J. Mi...
ICSE
2005
IEEE-ACM
14 years 8 months ago
Automatic generation and maintenance of correct spreadsheets
Existing spreadsheet systems allow users to change cells arbitrarily, which is a major source of spreadsheet errors. We propose a system that prevents errors in spreadsheets by re...
Martin Erwig, Robin Abraham, Irene Cooperstein, St...
WWW
2010
ACM
14 years 2 months ago
Generalized distances between rankings
Spearman’s footrule and Kendall’s tau are two well established distances between rankings. They, however, fail to take into account concepts crucial to evaluating a result set...
Ravi Kumar, Sergei Vassilvitskii
OOPSLA
2009
Springer
14 years 2 months ago
Enhancing source-level programming tools with an awareness of transparent program transformations
Programs written in managed languages are compiled to a platform-independent intermediate representation, such as Java bytecode. The relative high level of Java bytecode has engen...
Myoungkyu Song, Eli Tilevich