267 search results - page 4 / 54 » Schema Mapping as Query Discovery |
EDBT
2009
ACM
14 years 4 months ago
2009
ACM
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
VLDB
2011
ACM
13 years 4 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
SIGMOD
2011
ACM
13 years 18 days ago
2011
ACM
In this paper, we introduce U-MAP, a new system for schema mapping generation. U-MAP builds upon and extends existing schema mapping techniques. However, it mitigates some key pro...
IAJIT
2010
13 years 8 months ago
2010
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...
SAC
2009
ACM
14 years 2 months ago
2009
ACM
The XML has undoubtedly become a standard for data representation and manipulation. But most of XML documents are still created without the respective description of their structu...