267 search results - page 5 / 54 » Schema Mapping as Query Discovery |
PODS
2004
ACM
14 years 10 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
DGO
2004
13 years 11 months ago
2004
This paper describes a Web-based query system for semantically heterogeneous government-produced data. Geospatial Web-based information systems and portals are currently being dev...
ICDT
2010
ACM
14 years 2 months ago
2010
ACM
In XML data exchange, a schema mapping specifies rules for restructuring a source document under the target schema, and queries over the target document must be answered in a way...
GLOBE
2008
Springer
13 years 11 months ago
2008
Springer
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
SIGMOD
2004
ACM
14 years 10 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...