122 search results - page 3 / 25 » On the complexity of deriving schema mappings from database ... |
SIGMOD
2012
ACM
11 years 8 months ago
2012
ACM
End-users increasingly find the need to perform light-weight, customized schema mapping. State-of-the-art tools provide powerful functions to generate schema mappings, but they u...
PODS
2008
ACM
14 years 5 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
ER
2007
Springer
13 years 12 months ago
2007
Springer
This paper describes a rule-based algorithm to derive a relational schema from an extended entity-relationship model. Our work is based on an approach by Atzeni and Torlone in whic...
OTM
2005
Springer
13 years 11 months ago
2005
Springer
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 ...
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
In this paper, we describe and situate the TUPELO system for data mapping in relational databases. Automating the discovery of mappings between structured data sources is a long st...