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» Schema merging and mapping creation for relational sources
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EDBT
2008
ACM
162views Database» more  EDBT 2008»
14 years 4 months ago
Schema merging and mapping creation for relational sources
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
Rachel Pottinger, Philip A. Bernstein
ER
2005
Springer
140views Database» more  ER 2005»
13 years 10 months ago
Schema Integration Based on Uncertain Semantic Mappings
Abstract. Schema integration is the activity of providing a unified representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the...
Matteo Magnani, Nikos Rizopoulos, Peter McBrien, D...
CIKM
2010
Springer
13 years 2 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...
PVLDB
2010
125views more  PVLDB 2010»
13 years 3 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...
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
14 years 5 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa