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ISTA
2008
13 years 7 months ago
A Framework for Building Mapping Operators Resolving Structural Heterogeneities
Seamless exchange of models among different modeling tools increasingly becomes a crucial prerequisite for the success of modeldriven engineering. Current best practices use model ...
Gerti Kappel, Horst Kargl, Thomas Reiter, Werner R...
ICMT
2010
Springer
13 years 10 months ago
Surviving the Heterogeneity Jungle with Composite Mapping Operators
Abstract. Model transformations play a key role in the vision of Modelngineering. Nevertheless, mechanisms like abstraction, variation and composition for specifying and applying r...
Manuel Wimmer, Gerti Kappel, Angelika Kusel, Werne...
AMW
2009
13 years 6 months ago
Bi-Level Mapping: Combining Schema and Data Level Heterogeneity in Peer Data Sharing Systems
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...
Md. Anisur Rahman, Mehedi Masud, Iluju Kiringa, Ab...
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
13 years 10 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
JACM
2010
120views more  JACM 2010»
13 years 17 days ago
The structure of inverses in schema mappings
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Alan Nash