349 search results - page 36 / 70 » Query Rewriting for Semistructured Data |
221
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ICDE
1999
IEEE
16 years 5 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
152
Voted
IS
2012
13 years 11 months ago
2012
When transforming data one often wants certain information in the data source to be preserved, i.e., we identify parts of the source data and require these parts to be transformed...
130
Voted
ICDT
2010
ACM
16 years 1 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
162
Voted
PVLDB
2010
15 years 2 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
123
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EDBT
2010
ACM
15 years 10 months ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...