122 search results - page 9 / 25 » On the complexity of deriving schema mappings from database ... |
DBISP2P
2004
Springer
14 years 1 months ago
2004
Springer
Peer-to-Peer infrastructures are emerging as one of the important data management infrastructures in the World Wide Web. So far, however, most work has focused on simple P2P networ...
VLDB
2007
ACM
14 years 2 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
PODS
2008
ACM
14 years 8 months ago
2008
ACM
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been transferred from the source to the targ...
ICDE
1993
IEEE
14 years 21 days ago
1993
IEEE
The objective of entity identification is to determine the correspondence between object instances from more than one database. This paper ezamines the problem at the instance lev...
PODS
2011
ACM
12 years 11 months ago
2011
ACM
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...