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» Quasi-inverses of schema mappings
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DOCENG
2008
ACM
13 years 9 months ago
Malan: a mapping language for the data manipulation
Malan is a MApping LANguage that allows the generation of transformation programs by specifying a schema mapping between a source and target data schema. By working at the schema ...
Arnaud Blouin, Olivier Beaudoux, Stéphane L...
AWIC
2005
Springer
14 years 1 months ago
Specifying Schema Mappings for Query Reformulation in Data Integration Systems
In data integration systems there is a problem of answering queries through a target schema, given a set of mappings between source schemas and the target schema, and given that th...
Tadeusz Pankowski
PVLDB
2010
125views more  PVLDB 2010»
13 years 5 months ago
MapMerge: Correlating Independent Schema Mappings
One of the main steps towards integration or exchange of data is to design the mappings that describe the (often complex) relationships between the source schemas or formats and t...
Bogdan Alexe, Mauricio A. Hernández, Lucian...
CIKM
2010
Springer
13 years 5 months ago
Automatic schema merging using mapping constraints among incomplete sources
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
Xiang Li 0002, Christoph Quix, David Kensche, Sand...
EDBT
2009
ACM
102views Database» more  EDBT 2009»
14 years 2 months ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo