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ISTA
2008
13 years 6 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 9 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 5 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 9 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»
12 years 11 months 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