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EDBT
2009
ACM
15 years 4 months ago
2009
ACM
We introduce a controlled form of recursion in XQuery, an inflationary fixed point operator, familiar from the context of relational databases. This operator imposes restriction...
EDBT
2009
ACM
15 years 1 months ago
2009
ACM
Schema mappings define relationships between schemas in a declarative way. We demonstrate MVT, a mapping validation tool that allows the designer to ask whether the mapping has ce...
EDBT
2009
ACM
15 years 1 months ago
2009
ACM
In order to become an effective complement to traditional Web-scale text-based image retrieval solutions, content-based image retrieval must address scalability and efficiency iss...
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
EDBT
2009
ACM
15 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...