137 search results - page 3 / 28 » Characterizing schema mappings via data examples |
PODS
2007
ACM
14 years 6 months ago
2007
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
PVLDB
2010
13 years 4 months ago
2010
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...
WEBDB
2009
Springer
14 years 21 days ago
2009
Springer
We study the problem of schema evolution in the RDF data model. RDF and the RDFS schema language are W3C standards for flexibly modeling and sharing data on the web. Although sch...
SEMWEB
2007
Springer
14 years 6 days ago
2007
Springer
Ontologies proliferate with the growth of the Semantic Web. However, most of data on the Web are still stored in relational databases. Therefore, it is important to establish inter...
EDBT
2008
ACM
14 years 6 months ago
2008
ACM
Most previous schema mapping works focus on creating mappings in specific data models for data transformation, failing to capture a richer set of possible relationships between sc...