Sciweavers

155 search results - page 9 / 31
» Maintaining Semantic Mappings between Database Schemas and O...
Sort
View
DEXA
2007
Springer
135views Database» more  DEXA 2007»
14 years 1 months ago
Semantic Grouping of Social Networks in P2P Database Settings
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...
WWW
2003
ACM
14 years 8 months ago
D2R MAP - A Database to RDF Mapping Language
The vision of the Semantic Web is to give data on the web a welldefined meaning by representing it in RDF and linking it to commonly accepted ontologies. Most formatted data today...
Christian Bizer
SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
13 years 7 months ago
Worry-free database upgrades: automated model-driven evolution of schemas and complex mappings
Schema evolution is an unavoidable consequence of the application development lifecycle. The two primary schemas in an application, the client conceptual object model and the pers...
James F. Terwilliger, Philip A. Bernstein, Adi Unn...
JODS
2006
131views Data Mining» more  JODS 2006»
13 years 7 months ago
Integrating and Exchanging XML Data Using Ontologies
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
Huiyong Xiao, Isabel F. Cruz
DOLAP
2006
ACM
14 years 1 months ago
Designing ETL processes using semantic web technologies
One of the most important tasks performed in the early stages of a data warehouse project is the analysis of the structure and content of the existing data sources and their inten...
Dimitrios Skoutas, Alkis Simitsis