304 search results - page 11 / 61 » Schema mappings, data exchange, and metadata management |
SEMWEB
2004
Springer
15 years 2 months ago
2004
Springer
Abstract. This paper addresses the problem of building scalable semantic overlay networks. Our approach follows the principle of data independence by separating a logical layer, th...
82
Voted
VLDB
2005
ACM
15 years 2 months ago
2005
ACM
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
DAC
1996
ACM
15 years 1 months ago
1996
ACM
Task management involves task creation and execution. These are facilitated using a task schema as exemplified in the Hercules Task Manager. Experience with Hercules has shown the...
JODS
2006
14 years 9 months ago
2006
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...
AMW
2009
14 years 10 months ago
2009
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...