25218 search results - page 4872 / 5044 » A Logic-Based Information System |
197
click to vote
SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
The learning-enhanced relevance feedback has been one of the most active research areas in content-based image retrieval in recent years. However, few methods using the relevance ...
209
click to vote
SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Similarity search in large time series databases has attracted much research interest recently. It is a difficult problem because of the typically high dimensionality of the data....
290
click to vote
PODS
2004
ACM
16 years 6 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
174
click to vote
PODS
2008
ACM
16 years 6 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
204
click to vote
PODS
2008
ACM
16 years 6 months ago
2008
ACM
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...