Sciweavers

443 search results - page 1 / 89
» Quasi-inverses of schema mappings
Sort
View
ER
2005
Springer
140views Database» more  ER 2005»
13 years 10 months ago
Schema Integration Based on Uncertain Semantic Mappings
Abstract. Schema integration is the activity of providing a unified representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the...
Matteo Magnani, Nikos Rizopoulos, Peter McBrien, D...
SIGMOD
2004
ACM
140views Database» more  SIGMOD 2004»
14 years 4 months ago
Automatic Direct and Indirect Schema Mapping: Experiences and Lessons Learned
A schema mapping produces a semantic correspondence between two schemas. Automating schema mapping is challenging. The existence of 1:n (or n:1) and n:m mapping cardinalities make...
David W. Embley, Li Xu, Yihong Ding
VLDB
2005
ACM
165views Database» more  VLDB 2005»
13 years 10 months ago
Semantic Adaptation of Schema Mappings when Schemas Evolve
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...
Cong Yu, Lucian Popa
WIRI
2005
IEEE
13 years 10 months ago
Mapping generation for XML data sources: a general framework
The inter-operability of multiple autonomous and heterogeneous data sources is an important issue in many applications such as mediation systems, datawarehouses, or web-based syst...
Zoubida Kedad, Xiaohui Xue
OTM
2005
Springer
13 years 10 months ago
Mapping Discovery for XML Data Integration
Abstract. The interoperability of heterogeneous data sources is an important issue in many applications such as mediation systems or web-based systems. In these systems, each data ...
Zoubida Kedad, Xiaohui Xue