443 search results - page 7 / 89 » Quasi-inverses of schema mappings |
PODS
2008
ACM
14 years 7 months ago
2008
ACM
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
Schema mappings define relationships between schemas in a declarative way. We demonstrate MVT, a mapping validation tool that allows the designer to ask whether the mapping has ce...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
AMW
2009
13 years 8 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...
PEPM
2007
ACM
14 years 1 months ago
2007
ACM
An X-to-O mapping takes an XML schema as input and returns an object model as output; this object model is meant for programmatic, schema-aware access to XML data. The provision o...