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» Model-Independent Schema and Data Translation
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JLP
2000
102views more  JLP 2000»
14 years 9 months ago
Recursive Query Plans for Data Integration
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
Oliver M. Duschka, Michael R. Genesereth, Alon Y. ...
ER
2004
Springer
97views Database» more  ER 2004»
15 years 3 months ago
On the Updatability of XML Views Published over Relational Data
Updates over virtual XML views that wrap the relational data have not been well supported by current XML data management systems. This paper studies the problem of the existence of...
Ling Wang, Elke A. Rundensteiner
BTW
2005
Springer
142views Database» more  BTW 2005»
15 years 3 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...
JACM
2010
120views more  JACM 2010»
14 years 4 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
PODS
2008
ACM
155views Database» more  PODS 2008»
15 years 9 months ago
The recovery of a schema mapping: bringing exchanged data back
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been transferred from the source to the targ...
Marcelo Arenas, Jorge Pérez, Cristian River...