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BTW
2007
Springer
123views Database» more  BTW 2007»
14 years 3 months ago
Matching Metamodels with Semantic Systems - An Experience Report
: Ontology and schema matching are well established techniques, which have been applied in various integration scenarios, e.g., web service composition and database integration. Co...
Gerti Kappel, Horst Kargl, Gerhard Kramler, Andrea...
ADBIS
2007
Springer
136views Database» more  ADBIS 2007»
14 years 3 months ago
An Agile Process for the Creation of Conceptual Models from Content Descriptions
It is widely accepted practice to build domain models as a conceptual basis for software systems. Normally, the conceptual schema cannot be supplied by domain experts but is constr...
Sebastian Bossung, Hans-Werner Sehring, Henner Car...
DMDW
2001
307views Management» more  DMDW 2001»
13 years 11 months ago
An Analysis of Many-to-Many Relationships Between Fact and Dimension Tables in Dimensional Modeling
Star schema, which maintains one-to-many relationships between dimensions and a fact table, is widely accepted as the most viable data representation for dimensional analysis. Rea...
Il-Yeol Song, William Rowen, Carl Medsker, Edward ...
ICDE
2007
IEEE
103views Database» more  ICDE 2007»
14 years 11 months ago
A Semantic Approach to Discovering Schema Mapping Expressions
In many applications it is important to find a meaningful relationship between the schemas of a source and target database. This relationship is expressed in terms of declarative ...
Alexander Borgida, John Mylopoulos, Renée J...
VLDB
2004
ACM
144views Database» more  VLDB 2004»
14 years 10 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa