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» Schema merging and mapping creation for relational sources
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PODS
2008
ACM
141views Database» more  PODS 2008»
14 years 7 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
ER
2009
Springer
178views Database» more  ER 2009»
13 years 5 months ago
Schema AND Data: A Holistic Approach to Mapping, Resolution and Fusion in Information Integration
Abstract. To integrate information, data in different formats, from different, potentially overlapping sources, must be related and transformed to meet the users' needs. Ten y...
Laura M. Haas, Martin Hentschel, Donald Kossmann, ...
BTW
2005
Springer
142views Database» more  BTW 2005»
14 years 1 months ago
Self-Extending Peer Data Management
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
Ralf Heese, Sven Herschel, Felix Naumann, Armin Ro...
IS
2008
13 years 7 months ago
A framework for semantic grouping in P2P databases
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
Verena Kantere, Dimitrios Tsoumakos, Timos K. Sell...
CIKM
2011
Springer
12 years 7 months ago
Tractable XML data exchange via relations
We consider data exchange for XML documents: given source and target schemas, a mapping between them, and a document conforming to the source schema, construct a target document a...
Rada Chirkova, Leonid Libkin, Juan L. Reutter