A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2006; you can also visit the original URL.
The file type is application/pdf
.
Constraint-based XML query rewriting for data integration
2004
Proceedings of the 2004 ACM SIGMOD international conference on Management of data - SIGMOD '04
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 the sources. The schemas can be any combination of relational or XML schemas, and can be independently designed. In addition to the source-to-target mappings, we consider as part of the mapping scenario a set of target constraints specifying additional properties on the target schema. This becomes particularly
doi:10.1145/1007568.1007611
dblp:conf/sigmod/YuP04
fatcat:zggnrx6pozdrzcibji4rsieefa