479 search results - page 12 / 96 » Schema mapping discovery from data instances |
EDBT
2008
ACM
15 years 12 months ago
2008
ACM
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
113
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IAJIT
2010
14 years 10 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...
119
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SIGMOD
2011
ACM
14 years 2 months ago
2011
ACM
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
169
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
We demonstrate a prototype of the relational data mapping module of MIQIS, a formal framework for investigating information flow in peer-to-peer database management systems. Data ...
127
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PODS
2011
ACM
14 years 2 months ago
2011
ACM
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...