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PVLDB
2010
168views more  PVLDB 2010»
13 years 5 months ago
Transforming XML Documents as Schemas Evolve
Database systems often use XML schema to describe the format of valid XML documents. Usually, this format is determined when the system is designed. Sometimes, in an already funct...
Jarek Gryz, Marcin Kwietniewski, Stephanie Hazlewo...
VLDB
2011
ACM
245views Database» more  VLDB 2011»
13 years 2 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov
CAISE
2005
Springer
14 years 28 days ago
A General Approach to the Generation of Conceptual Model Transformations
In data integration, a Merge operator takes as input a pair of schemas in some conceptual modelling language, together with a set of correspondences between their constructs, and p...
Nikolaos Rizopoulos, Peter McBrien
EDBT
2009
ACM
98views Database» more  EDBT 2009»
14 years 2 months ago
A runtime approach to model-independent schema and data translation
A runtime approach to model-generic translation of schema and data is proposed. It is based on our previous work on MIDST, a platform conceived to perform translations in an off-...
Paolo Atzeni, Luigi Bellomarini, Francesca Bugiott...
DKE
2008
103views more  DKE 2008»
13 years 7 months ago
The XML Tree Model - toward an XML conceptual schema reversed from XML Schema Definition
XML Schema Definition (XSD) is the logical schemas of an XML model, but there is no standard format for the conceptual schema of an XML model. Therefore, we propose an XML Tree Mo...
Joseph Fong, San Kuen Cheung, Herbert Shiu