1688 search results - page 256 / 338 » The Complexity of Rationalizing Matchings |
SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
PODS
2005
ACM
15 years 11 months ago
2005
ACM
We consider here the exchange of Active XML (AXML) data, i.e., XML documents where some of the data is given explicitly while other parts are given only intensionally as calls to ...
84
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PODS
2007
ACM
15 years 11 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
EDBT
2008
ACM
15 years 11 months ago
2008
ACM
Schema mapping algorithms rely on value correspondences ? i.e., correspondences among semantically related attributes ? to produce complex transformations among data sources. Thes...
123
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CVPR
2007
IEEE
15 years 9 months ago
2007
IEEE
We present a novel object-specific segmentation method which can be used in view-based object recognition systems. Previous object segmentation approaches generate inexact results ...