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» XML data exchange: consistency and query answering
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PODS
2005
ACM
132views Database» more  PODS 2005»
10 years 2 months ago
XML data exchange: consistency and query answering
Marcelo Arenas, Leonid Libkin
ICDT
2010
ACM
133views Database» more  ICDT 2010»
9 years 7 months ago
On the Tradeoff between Mapping and Querying Power in XML Data Exchange
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...
Shunichi Amano, Claire David, Leonid Libkin, Filip...
CIKM
2011
Springer
8 years 2 months ago
Tractable XML data exchange via relations
We consider data exchange for XML documents: given source and target schemas, a mapping between them, and a document conforming to the source schema, construct a target document a...
Rada Chirkova, Leonid Libkin, Juan L. Reutter
PODS
2004
ACM
120views Database» more  PODS 2004»
10 years 2 months ago
Locally Consistent Transformations and Query Answering in Data Exchange
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
Marcelo Arenas, Pablo Barceló, Ronald Fagin...
PODS
2010
ACM
242views Database» more  PODS 2010»
9 years 7 months ago
Certain answers for XML queries
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
Claire David, Leonid Libkin, Filip Murlak
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