41 search results - page 3 / 9 » Semantic Adaptation of Schema Mappings when Schemas Evolve |
PVLDB
2010
13 years 5 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
SIGMOD
2004
ACM
14 years 6 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
BTW
2001
Springer
13 years 11 months ago
2001
Springer
Mediators – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the h...
SIGMOD
2012
ACM
11 years 9 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...
JUCS
2008
13 years 6 months ago
2008
: We propose specification of schema mappings and agents' actions in XML data integration task. We discuss the problem in a highly-dynamic environment consisting of a communit...