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» Model Management and Schema Mappings: Theory and Practice
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PODS
2010
ACM
173views Database» more  PODS 2010»
11 years 6 months ago
Foundations of schema mapping management
In the last few years, a lot of attention has been paid to the speciļ¬cation and subsequent manipulation of schema mappings, a problem which is of fundamental importance in metad...
Marcelo Arenas, Jorge Pérez, Juan L. Reutte...
SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
11 years 1 months ago
Worry-free database upgrades: automated model-driven evolution of schemas and complex mappings
Schema evolution is an unavoidable consequence of the application development lifecycle. The two primary schemas in an application, the client conceptual object model and the pers...
James F. Terwilliger, Philip A. Bernstein, Adi Unn...
JODS
2006
135views Data Mining» more  JODS 2006»
11 years 1 months ago
Managing Uncertainty in Schema Matching with Top-K Schema Mappings
In this paper, we propose to extend current practice in schema matching with the simultaneous use of top-K schema mappings rather than a single best mapping. This is a natural ext...
Avigdor Gal
PODS
2008
ACM
152views Database» more  PODS 2008»
12 years 1 months ago
Towards a theory of schema-mapping optimization
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...
Ronald Fagin, Phokion G. Kolaitis, Alan Nash, Luci...
SIGMOD
2009
ACM
132views Database» more  SIGMOD 2009»
12 years 1 months ago
Core schema mappings
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
Giansalvatore Mecca, Paolo Papotti, Salvatore Raun...
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